CircuitPython / Other Devices
They're not displays or sensors, but we have drivers for them too! From shift registers and GPIO expander to thermal printers – we've got a bunch of CircuitPython-compatible Adafruit devices for you to choose from! Every item in this category has a CircuitPython driver ready to go, for fast and easy usage. With a wide and growing range of chips and sensors, this will be a great place to continue checking for more fun accessories for your CircuitPython projects.
-
Adafruit CAN Pal - CAN Bus Transceiver - TJA1051T/3
Product ID: 5708If you'd like to connect a board with native CAN Peripheral support, the Adafruit CAN Pal Transceiver will take the 3V logic level signals and convert them to CAN logic levels with the differential signaling required to communicate. Note that not all chips have a CAN peripheral! Some that we know do have it are the ESP32/ESP32-S2/ESP32-S3 (note that ESP32 calls this...$3.95In stock -
MicroSD card breakout board+
Product ID: 254Not just a simple breakout board, this microSD adapter goes the extra mile - designed for ease of use. Onboard 5v->3v regulator provides 150mA for power-hungry cards. 3v level shifting means you can use this with ease on either 3v or 5v systems. Uses a proper level shifting chip, not resistors: less problems, and faster read/write access. Use 3 or 4 digital pins...$7.50In stock -
Adafruit Micro SD SPI or SDIO Card Breakout Board - 3V ONLY!
Product ID: 4682Micro SD cards and microcontrollers go together like micro-peanutbutter-and-jelly: SD cards are inexpensive, durable, easy to find at any shop, come in many sizes and can plug into any computer using a common SD card reader. That makes them perfect for microcontroller storage and retrieval - whether it's images, fonts, GIFs, audio files, or sensor logs. Wiring up SD...$3.50In stock -
TCA9548A I2C Multiplexer
Product ID: 2717You just found the perfect I2C sensor, and you want to wire up two or three or more of them to your Arduino when you realize "Uh oh, this chip has a fixed I2C address, and from what I know about I2C, you cannot have two devices with the same address on the same SDA/SCL pins!" Are you out of luck? You would be, if you didn't have this ultra-cool TCA9548A 1-to-8 I2C...$6.95In stock -
Adafruit DS3231 Precision RTC Breakout
Product ID: 3013The datasheet for the DS3231 explains that this part is an "Extremely Accurate I²C-Integrated RTC/TCXO/Crystal". And, hey, it does exactly what it says on the tin! This Real Time Clock (RTC) is the most precise you can get in a small, low power package. Most RTCs use an external 32kHz timing crystal that is used to keep time with low current draw. And that's all...$17.50In stock -
Adafruit DRV2605L Haptic Motor Controller - STEMMA QT / Qwiic
Product ID: 2305The DRV2605 from TI is a fancy little motor driver. Rather than controlling a stepper motor or DC motor, its designed specifically for controlling haptic motors - buzzers and vibration motors. Normally one would just turn those kinds of motors on and off, but this driver has the ability to have various effects when driving a vibe motor. For example, ramping the...$7.95In stock -
Adafruit RS232 Pal - Two Channel UART to RS-232 Level Shifters - MAX3232E
Product ID: 5987If you're looking to interface with telco, retro or industrial equipment you'll probably run into RS-232 interfaces. The Adafruit RS232 Pal - Two Channel UART to RS-232 Level Shifters is your friend in such cases, giving you two duplex channels of level shifting and taking care of the high/negative voltage generation all in a low cost breakout board. We use the...$3.95In stock -
Adafruit RFM95W LoRa Radio Transceiver Breakout - 868 or 915 MHz - RadioFruit
Product ID: 3072"You see, wire telegraph is a kind of a very, very long cat. You pull his tail in New York and his head is meowing in Los Angeles. Do you understand this? And radio operates exactly the same way: you send signals here, they receive them there. The only difference is that there is no cat." Sending data over long distances is like magic, and now you can be a magician...$19.95In stock -
Adafruit MCP23017 I2C GPIO Expander Breakout - STEMMA QT / Qwiic
Product ID: 5346We’ve gotten a lot of requests for a MCP23017 breakout and we’ve always sorta been like “ehh why not just use the DIP chip?” but with STEMMA QT we could see the use case for a plug and play version that comes with all the passives on board. This Adafruit MCP23017 I2C GPIO Expander Breakout has 16 GPIO with matching ground pad. We particularly...$5.95In stock -
Adafruit DS3231 Precision RTC - STEMMA QT
Product ID: 5188The datasheet for the DS3231 explains that this part is an "Extremely Accurate I²C-Integrated RTC/TCXO/Crystal". And, hey, it does exactly what it says on the tin! This Real Time Clock (RTC) is the most precise you can get in a small, low-power package. We've had a breakout board version of this RTC for a while, but we want to make it even easier for folks to...$13.9522 in stock -
Adafruit LTC4311 I2C Extender / Active Terminator - STEMMA QT / Qwiic
Product ID: 4756I2C stands for Inter-Integrated-Circuit communications, it's meant for short distances on a PCB or subassembly. But, hey, we're engineers, and we like to push the limits of technology, right? So why not try to have I2C run over a meter long cable, or even longer? Well, if you try to do that you'll quickly find that the length of the cable adds capacitance and...$9.95In stock -
MCP4725 Breakout Board - 12-Bit DAC with I2C Interface - STEMMA QT / qwiic
Product ID: 935Your microcontroller probably has an ADC (analog -> digital converter) but does it have a DAC (digital -> analog converter)??? Now it can! This breakout board features the easy-to-use MCP4725 12-bit DAC. Control it via I2C and send it the value you want it to output, and the VOUT pin will have it. Great for audio / analog projects, such as when you can't use...$4.95In stock -
Adafruit 16-Channel 12-bit PWM/Servo Driver - I2C interface - PCA9685
Product ID: 815You want to make a cool robot, maybe a hexapod walker, or maybe just a piece of art with a lot of moving parts. Or maybe you want to drive a lot of LEDs with precise PWM output. Then you realize that your microcontroller has a limited number of PWM outputs! What now? You could give up OR you could just get this handy PWM and Servo driver breakout. When we saw this...$14.95In stock -
Adafruit DS1307 Real Time Clock Assembled Breakout Board
Product ID: 3296This is a great battery-backed real time clock (RTC) that allows your microcontroller project to keep track of time even if it is reprogrammed, or if the power is lost. Perfect for datalogging, clock-building, time stamping, timers and alarms, etc. The DS1307 is the most popular RTC - but it requires 5V power to work (although we've used it with 5V power and 3.3V...$7.50In stock -
Adafruit I2C to 8 Channel Solenoid Driver - STEMMA QT / Qwiic
Product ID: 6318Solenoids are a little like cats: if your project has one solenoid you'll probably stick with just one and in such cases our single MOSFET driver will work well. But if you have more than one solenoid, it's going to be anywhere from 2 to 24. Why? Maybe people just love their purring clicky-clacking. And driving a lot of solenoids is kind of a pain: they all need...$14.9570 in stock -
Adafruit ISO1540 Bidirectional I2C Isolator - STEMMA QT / Qwiic
Product ID: 4903Sometimes you'll find yourself with an I2C bus controller on one side, and an I2C bus device on the other and you gotta keep em (electrically) separated. Maybe because one is Earth-grounded, maybe because you've got some funky power monitoring setup, maybe you want to reduce noise. Whatever it is, you can use the Adafruit ISO1540 Bidirectional I2C Isolator to add...$8.95In stock -
Adafruit DS3502 I2C Digital 10K Potentiometer Breakout - STEMMA QT / Qwiic
Product ID: 4286If you're a person like me that gets exhausted turning knobs all day, the DS3502 is just the ticket to calm all your knob-turning related troubles. Instead of having to turn knobs with your HANDS like an ANIMAL, the DS3502 I2C Digital Potentiometer allows you to let your microcontroller adjust the resistance for you! Now you can free your hands to spin your fidget...$4.9526 in stock -
Adafruit SPI Non-Volatile FRAM Breakout - 64Kbit / 8KByte
Product ID: 1897FRAM, or Ferroelectric Ram, is the coolest new data storage method that all the fashion magazines are talking about. Oh wait, no that's quilted handbags. But FRAM is pretty damn cool too! It's similar to Dynamic random-access memory, only with a ferroelectric layer instead of a dielectric layer. This gives it stable handling (the bytes you write are non-volatile)...$5.95In stock -
Adafruit I2C Non-Volatile FRAM Breakout - 256Kbit / 32KByte
Product ID: 1895FRAM, or Ferroelectric Ram, is the coolest new data storage method that all the fashion magazines are talking about. Oh wait, no that's quilted handbags. But FRAM is pretty damn cool too! It's similar to Dynamic random-access memory, only with a ferroelectric layer instead of a dielectric layer. This gives it stable handling (the bytes you write are non-volatile)...$9.9572 in stock -
Adafruit PCF8523 Real Time Clock Breakout Board - STEMMA QT / Qwiic
Product ID: 5189This is a great battery-backed real time clock (RTC) that allows your microcontroller project to keep track of time even if it is reprogrammed, or if the power is lost. Perfect for data-logging, clock-building, time stamping, timers, and alarms, etc. Equipped with PCF8523 RTC - it can run from 3.3V or 5V power & logic! We've had a breakout board version of this...$4.95In stock -
Adafruit PCF8574 I2C GPIO Expander Breakout - STEMMA QT / Qwiic
Product ID: 5545Expand your project possibilities, with the Adafruit PCF8574 GPIO Expander Breakout - an affordable 8 channel I2C expander. GPIO expanders work like this: you have a board with some number of GPIO but not enough for your project - maybe you need more buttons or LEDs. You could upgrade to a board with massive number of GPIO like the Grand Central, or you could pop on...$4.9539 in stock -
Adafruit Si5351A Clock Generator Breakout Board - 8KHz to 160MHz
Product ID: 2045Never hunt around for another crystal again, with the Si5351A clock generator breakout from Adafruit! This chip has a precision 25MHz crystal reference and internal PLL and dividers so it can generate just about any frequency, from Best of all, we even have a great tutorial and library to get you started! Our code is designed for use with the Arduino microcontroller...$7.95In stock -
Adafruit AW9523 GPIO Expander and LED Driver Breakout - STEMMA QT / Qwiic
Product ID: 4886Expand your project possibilities, with the Adafruit AW9523 GPIO Expander and LED Driver Breakout - a cute and powerful I2C expander with a lot of tricks up its sleeve. GPIO expanders work like this: you have a board with some number of GPIO but not enough for your project - maybe you need more buttons or LEDs. You could upgrade to a board with massive number of GPIO...$4.95In stock -
Adafruit RFM69HCW Transceiver Radio Breakout - 868 or 915 MHz - RadioFruit
Product ID: 3070"You see, wire telegraph is a kind of a very, very long cat. You pull his tail in New York and his head is meowing in Los Angeles. Do you understand this? And radio operates exactly the same way: you send signals here, they receive them there. The only difference is that there is no cat." Sending data over long distances is like magic, and now you can be a magician...$9.95In stock -
Adafruit QT 3V to 5V Level Booster Breakout - STEMMA QT / Qwiic
Product ID: 5649If you're looking to use the Qwiic / Stemma QT standard for your next project - but you're using a sensor or device that requires 5V power or logic, this board is designed for you! It will let you use the 3V power and logic from your Raspberry Pi, or ARM Cortex microcontroller, and boost/shift it up to 5V for use with older or high-power devices that aren't happy...$2.9569 in stock -
Adafruit AD5693R Breakout Board - 16-Bit DAC with I2C Interface - STEMMA QT / qwiic
Product ID: 5811Which is better, less bits or more? MORE of course! So why settle for a 12-bit DAC like the MCP4725 when you can go for the 16-bits of the AD5693? OK well there may be some reason to go with 12-bits, say if you don't need high resolution output and want to go with the more affordable DAC. But for those who like the finer things in life, the Adafruit AD5693R Breakout...$10.9550 in stock -
Adafruit EMC2101 I2C PC Fan Controller and Temperature Sensor - STEMMA QT / Qwiic
Product ID: 4808Cooling fans...They're everywhere, and they serve the important purpose of keeping things cool, generally electronics. One might rightfully think: "these fans are pretty good at moving air to keep things cool; maybe I can use one of these neat computer fans to keep my widget frosty" followed closely by throwing up one's hands in confusion at the sight of a 3 or even...$5.50In stock -
MCP3008 - 8-Channel 10-Bit ADC With SPI Interface
Product ID: 856Need to add analog inputs? This chip will add 8 channels of 10-bit analog input to your microcontroller or microcomputer project. It's super easy to use and uses SPI so only 4 pins are required. We chose this chip as a great accompaniment to the Raspberry Pi computer because it's fun to have analog inputs but the Pi does not have an ADC. We have a tutorial and code...$4.50In stock -
Adafruit PCA9546 4-Channel I2C Multiplexer - TCA9546A Compatible
Product ID: 5663You just found the perfect I2C sensor, and you want to wire up two or three or more of them to your Arduino when you realize "Uh oh, this chip has a fixed I2C address, and from what I know about I2C, you cannot have two devices with the same address on the same SDA/SCL pins!" Are you out of luck? You would be if you didn't have this ultra-cool PCA9546 1-to-4 I2C...$3.95In stock -
Adafruit SPI Non-Volatile FRAM Breakout - 4 Mbit / 512 KBytes - MB85RS4MT
Product ID: 4719FRAM, or Ferroelectric Ram, is the coolest new data storage method that all the fashion magazines are talking about. Oh wait, no that's quilted handbags. But FRAM is pretty damn cool too! It's similar to Dynamic random-access memory, only with a ferroelectric layer instead of a dielectric layer. This gives it stable handling (the bytes you write are non-volatile)...$19.95In stock -
Adafruit Si5351A Clock Generator with STEMMA QT - 8KHz to 160MHz
Product ID: 5640Never hunt around for another crystal again, with the Si5351A clock generator breakout from Adafruit! This chip has a precision 25MHz crystal reference and internal PLL and dividers so it can generate just about any frequency, from optional edge-launch SMA connector for output #1. (If you need SMA-connector outputs for all three ports, check out the non-QT breakout...$7.95In stock -
Adafruit ATtiny1616 Breakout with seesaw - STEMMA QT / Qwiic
Product ID: 5690This breakout board is a "three in one" product: The ATtiny1616 is part of the 'next gen' of AVR microcontrollers, and now we have a cute development/breakout board for it, with just enough hardware to get the chip up and running.It's also an Adafruit seesaw board. Adafruit seesaw is a near-universal converter framework which allows you to add and extend hardware...$4.95In stock -
Adafruit RFM96W LoRa Radio Transceiver Breakout - 433 MHz - RadioFruit
Product ID: 3073"You see, wire telegraph is a kind of a very, very long cat. You pull his tail in New York and his head is meowing in Los Angeles. Do you understand this? And radio operates exactly the same way: you send signals here, they receive them there. The only difference is that there is no cat." Sending data over long distances is like magic, and now you can be a magician...$19.95In stock -
4x4 Matrix Keypad
Product ID: 3844Punch in your secret key (or Jenny's number) into this numeric matrix keypad. This keypad has 16 buttons, arranged in a telephone-line 4x4 grid. The keys are connected into a matrix, so you only need 8 microcontroller pins (4-columns and 4-rows) to scan through the pad. Check the tutorials tab for links to an Arduino library and example code. We include some header...$5.95In stock -
Adafruit RFM69HCW Transceiver Radio Breakout - 433 MHz - RadioFruit
Product ID: 3071"You see, wire telegraph is a kind of a very, very long cat. You pull his tail in New York and his head is meowing in Los Angeles. Do you understand this? And radio operates exactly the same way: you send signals here, they receive them there. The only difference is that there is no cat." Sending data over long distances is like magic, and now you can be a magician...$9.95In stock -
Adafruit TCA8418 Keypad Matrix and GPIO Expander Breakout - STEMMA QT / Qwiic
Product ID: 4918It's a GPIO expander, it's a keypad matrix driver... its the Adafruit TCA8418 Keypad Matrix and GPIO Expander Breakout - a cute and powerful I2C GPIO expander and keypad matrix driver! This chip is quite fancy, with the ability to act as your I2C multi-tool for handling keypads, buttons or LEDs. This chip has 18 total 'I/O' pins, 10 columns and 8 rows. You can of...$5.9510 in stock -
3x4 Matrix Keypad
Product ID: 3845Punch in your secret key (or Jenny's number) into this numeric matrix keypad. This keypad has 12 buttons, arranged in a telephone-line 3x4 grid. The keys are connected into a matrix, so you only need 7 microcontroller pins (3-columns and 4-rows) to scan through the pad. Check the tutorials tab for links to an Arduino library and example code. We include some header...$6.5087 in stock -
Adafruit 6-pin AVR ISP Breadboard Adapter Mini Kit
Product ID: 1465Programming AVR? Always Googling the pinout? Well, now no longer! It's rare to find a mini kit so elegant, it deserves its own Haiku. A simple breakout, 2x3 box header in the center, two 1x3's on the side. Plugs into any breadboard for neat wiring (in both nifty and clean senses of the word). Comes with a quality mini PCB, a 2x3 box header and a small stick of 0.1"...$0.9598 in stock -
Adafruit RS-232 Full Pinout Level-Shifter Breakout
Product ID: 5988If you want to interface with telco, retro, or industrial equipment, you'll probably run into RS-232 interfaces. The Adafruit RS232 Full-Pinout Breakout with 8 Channels of UART to RS-232 Level Shifters is your friend in such cases. It gives you 5 input and 3 output channels of level shifting and takes care of the high/negative voltage generation all in a low-cost...$6.95In stock -
Adafruit QT 5V to 3V Level Shifter Breakout - STEMMA QT / Qwiic
Product ID: 5637If you're hankerin' to use the new Qwiic / Stemma QT standard for your next project - but you're still using a classic Arduino UNO or other 5V microcontroller, this board is designed for you! Note that Adafruit Stemma QT (I2C) breakout boards are all 3V and 5V safe, but many other Qwiic and other I2C devices are not 5V safe or compatible. That means that if you use...$2.95In stock -
Adafruit Mini I2C Gamepad with seesaw - STEMMA QT / Qwiic
Product ID: 5743Make a game or robotic controller for any I2C microcontroller or microcomputer with this tiny gamepad breakout board. This design has a 2-axis thumb joystick and 6 momentary buttons (4 large and 2 small). The board communicates with your host microcontroller over I2C so it's easy to use and doesn't take up any of your precious analog or digital pins. There is also an...$7.50In stock -
Adafruit RS232 Full Breakout with DE9-M
Product ID: 6253If you want to interface with telco, retro, or industrial equipment, you'll probably run into RS-232 interfaces. The Adafruit RS232 Full-Pinout Breakout with 8 Channels of UART to RS-232 Level Shifters is your friend in such cases. It gives you 5 input and 3 output channels of level shifting and takes care of the high/negative voltage generation all in a low-cost...$6.95In stock -
Adafruit SPI Flash SD Card - XTSD 4 GB
Product ID: 6039This breakout is for a fascinating chip - it looks like an SPI Flash storage chip (like the GD25Q16) but its really an SD card, in an SMT chip format. What that means is that you wire up like an SD card breakout, and use the SD card libraries you already have for your microcontroller. For example, you can use the built in SD library in Arduino, or for CircuitPython...$12.50In stock -
Mini Remote Control
Product ID: 389This little remote control would be handy for controlling a robot or other project from across the room. It has 21 buttons and a layout we thought was handy: directional buttons and number entry buttons. The remote uses the NEC encoding type and sends data codes 0 thru 26 (it skips #3, #7, #11, #15, #19 and #23) to address #0. You can use this to control something...$4.95In stock -
Adafruit SPI FLASH Breakout - W25Q16 - 16 Mbit / 2 MByte
Product ID: 5635Sometimes you need a little extra storage for your microcontroller projects: for files, images, fonts, audio clips, etc. If you need lots of space, like in the gigabytes, we always recommend an SD card because you can easily plug it into a computer to edit files. But sometimes you don't need whole gigabytes, you just need a megabyte or two, with the lower cost and...$2.95In stock -
Membrane 3x4 Matrix Keypad + extras - 3x4
Product ID: 419Punch in your secret key into this numeric matrix keypad. This keypad has 12 buttons, arranged in a telephone-line 3x4 grid. It's made of a thin, flexible membrane material with an adhesive backing (just remove the paper) so you can attach it to nearly anything. The keys are connected into a matrix, so you only need 7 microcontroller pins (3-columns and 4-rows) to...$3.95In stock -
Adafruit PCF8575 I2C 16 GPIO Expander Breakout - STEMMA QT / Qwiic
Product ID: 5611Expand your project possibilities, with the Adafruit PCF8575 GPIO Expander Breakout - an affordable 16 channel I2C expander. GPIO expanders work like this: you have a board with some number of GPIO but not enough for your project - maybe you need more buttons or LEDs. You could upgrade to a board with massive number of GPIO like the Grand Central, or you could pop on...$5.95In stock -
MCP23017 - i2c 16 input/output port expander
Product ID: 732Add another 16 pins to your microcontroller using an MCP23017 port expander. The MCP23017 uses two i2c pins (these can be shared with other i2c devices), and in exchange gives you 16 general purpose pins. You can set each of 16 pins to be input, output, or input with a pullup. There's even the ability to get an interrupt via an external pin when any of the inputs...$6.95In stock -
74HC595 Shift Register - 3 pack
Product ID: 450Add lots more outputs to a microcontroller system with chainable shift registers. These chips take a serial input (SPI) of 1 byte (8 bits) and then output those digital bits onto 8 pins. You can chain them together so putting three in a row with the serial output of one plugged into the serial input of another to make 3 x 8 = 24 digital outputs. You can chain pretty...$2.9567 in stock -
MCP23008 - i2c 8 input/output port expander
Product ID: 593Add another 8 pins to your microcontroller using an MCP23008 port expander. The MCP23008 uses two i2c pins (these can be shared with other i2c devices), and in exchange gives you 8 general purpose pins. You can set each of 8 pins to be input, output, or input with a pullup. There's even the ability to get an interrupt via an external pin when any of the inputs change...$1.9551 in stock -
Adafruit SPI Flash SD Card - XTSD 512 MB
Product ID: 4899This breakout is for a fascinating chip - it looks like an SPI Flash storage chip (like the GD25Q16) but its really an SD card, in an SMT chip format. What that means is that you wire up like an SD card breakout, and use the SD card libraries you already have for your microcontroller. For example, you can use the built in SD library in Arduino, or for CircuitPython...$9.50In stock -
Adafruit ATtiny817 Breakout with seesaw - STEMMA QT / Qwiic
Product ID: 5233This breakout board is a "three in one" product: The ATtiny817 is part of the 'next gen' of AVR microcontrollers, and now we have a cute development/breakout board for it, with just enough hardware to get the chip up and running.It's also an Adafruit seesaw board. Adafruit seesaw is a near-universal converter framework which allows you to add and extend hardware...$4.95In stock -
DS2413 1-Wire Two GPIO Controller Breakout
Product ID: 1551You're too cool for I2C, and SPI has so many wires, 8-bit parallel... how can that be fashionable!? You are a 1-Wire kinda gal, and you want more 1-Wire breakouts in your life to complement all of your great engineering. Well rock on, because here you go, it's a 1-Wire controller with two open-drain GPIO. You can put as many of the DS2413's as you want on a single...$5.95In stock -
Adafruit SPI Non-Volatile FRAM Breakout - 2 Mbit / 256 KBytes - MB85RS2MTA
Product ID: 4718FRAM, or Ferroelectric Ram, is the coolest new data storage method that all the fashion magazines are talking about. Oh wait, no that's quilted handbags. But FRAM is pretty damn cool too! It's similar to Dynamic random-access memory, only with a ferroelectric layer instead of a dielectric layer. This gives it stable handling (the bytes you write are non-volatile)...$12.95In stock -
Adafruit S-35710 Low-Power Wake Up Timer Breakout - STEMMA QT / Qwiic
Product ID: 5959The Adafruit S-35710 Wake Up Timer is a low power 'watchdog timer' chip that can be programmed to alert with a digitally-configurable alarm from 1 second up to 194 days, thanks to a 24-bit second counter. It's an interesting alternative to a real time clock or internal sleep timer and might be useful for some ultra-low-power projects that want to have a separate (and...$4.95In stock -
Adafruit ATtiny816 Breakout with seesaw - STEMMA QT / Qwiic
Product ID: 5681This breakout board is a "three in one" product: The ATtiny816 is part of the 'next gen' of AVR microcontrollers, and now we have a cute development/breakout board for it, with just enough hardware to get the chip up and running.It's also an Adafruit seesaw board. Adafruit seesaw is a near-universal converter framework which allows you to add and extend hardware...$4.9560 in stock -
Adafruit ATSAMD09 Breakout with seesaw
Product ID: 3657Adafruit seesaw is a near-universal converter framework which allows you to add and extend hardware support to any I2C-capable microcontroller or microcomputer. Instead of getting separate I2C GPIO expanders, ADCs, PWM drivers, etc, seesaw can be configured to give a wide range of capabilities. For example, our ATSAMD09 breakout with seesaw gives you 3 x 12-bit ADC...$4.95In stock -
Adafruit DS1841 I2C Digital 10K Potentiometer Breakout - STEMMA QT / Qwiic
Product ID: 4570Potentiometers are the perfect tool when you want to change your circuit by turning a knob. Turns out, there are times when you want to adjust your circuit without manually turning a knob, and the DS1841 I2C Logarithmic Resistor from Maxim can do just that. It's a programmable resistor, similar to an I2C potentiometer like the DS3502 I2C Potentiometer, so why...$7.95In stock -
Adafruit PC Joystick to seesaw I2C Adapter - STEMMA QT / Qwiic
Product ID: 5753Back in my day, we used to have these big chunky PC joysticks that would plug into the back of your PC. No, not through USB, they had a DE-15 port and they'd go into the Game Port your sound effects card. Now, of course, we have tons of USB ports and quality audio is built into every computer. But what if you want to re-live your Commander Keen days? This board has a...$5.9546 in stock -
Stereo 20W Class D Audio Amplifier - MAX9744
Product ID: 1752Pump up the volume with this 20W stereo amplifier! This slim little board has a class D amplifier onboard that can drive 2 channels of 4-8 ohm impedance speakers at 20W each. Power it with 5-12VDC using the onboard DC power jack and plug stereo line level into the 3.5mm stereo headphone jack and jam out with ease. Since it's class D, its completely cool-running, no...$19.95Out of stock -
Adafruit PCF8523 Real Time Clock Assembled Breakout Board
Product ID: 3295This is a great battery-backed real time clock (RTC) that allows your microcontroller project to keep track of time even if it is reprogrammed, or if the power is lost. Perfect for datalogging, clock-building, time stamping, timers and alarms, etc. Equipped with PCF8523 RTC - it can run from 3.3V or 5V power & logic! Works great with an Arduino using our RTC...$6.95Out of stock -
Adafruit NeoTrellis RGB Driver PCB for 4x4 Keypad
Product ID: 3954By popular request, we've upgraded our popular Trellis elastomer button kits to now have a PCB with full color NeoPixel support! You heard that right, no more single-color LEDs, you can now have any color you like under the fantastic rubbery button pads we sell. These 4x4 button pad boards are fully tile-able and communicate over I2C. With 5 address pins, you've got...$12.50Out of stock -
Adafruit SPI Flash SD Card - XTSD 2 GB
Product ID: 6038This breakout is for a fascinating chip - it looks like an SPI Flash storage chip (like the GD25Q16) but its really an SD card, in an SMT chip format. What that means is that you wire up like an SD card breakout, and use the SD card libraries you already have for your microcontroller. For example, you can use the built in SD library in Arduino, or for CircuitPython...$10.95Out of stock -
Adafruit Trellis Monochrome Driver PCB for 4x4 Keypad & 3mm LEDs
Product ID: 1616This item is just for the Trellis driver PCB assembly: LEDs and buttons not included. Trellis is an open source backlight keypad driver system. It is easy to use, works with any 3mm LEDs and eight tiles can be tiled together on a shared I2C bus. This PCB is specially made to match the Adafruit 4x4 elastomer keypad. Each Trellis PCB has 4x4 pads and 4x4 matching spots...$9.95Out of stock -
Adafruit "My Little Hacker" ESP32-S2 Development Board
Product ID: 5742Coming soon! Sign up to be notified when we put this in stock This board is great for designing an audio player that also has WiFi support! The ESP32-S2 module has WiFi and 4 MB flash, 2 MB PSRAM - we pair it with a microSD card that can hold any length audio files and an I2S amplifier that can drive up to 3 Watt 4 or 8 ohm speakers. Five NeoPixels spangle this PCB...Coming soon -
Mini Thermal Receipt Printer
Product ID: 597Add a mini printer to any microcontroller project with this very cute thermal printer. Thermal printers are also known as receipt printers, they're what you get when you go to the ATM or grocery store. Now you can embed a little printer of your own into an enclosure. This printer is ideal for interfacing with a microcontroller, you simply need a 3.3V-5V TTL serial...No longer stocked -
Mini Thermal Receipt Printer Starter Pack
Product ID: 600Hit the ground running (and printing!) with this starter pack that includes a thermal printer and all the extras and save a few dollars while you're at it. Includes: A mini thermal receipt printer - with cables and plastic mounting shims. A roll of 50' long thermal receipt paper - the perfect amount for the thermal printer. BPA-free.5V 2A power supply - an ideal...No longer stocked -
Adafruit Stereo FM Transmitter with RDS/RBDS Breakout - Si4713
Product ID: 1958Yaaar! Become your very own pirate radio station with this FM radio transmitter. This breakout board, based on the best-of-class Si4713, is an all-in-one stereo audio FM transmitter that can also transmit RDS/RBDS data! Wire up to your favorite microcontroller (we suggest an Arduino) to the I2C data lines to set the transmit frequency and play line-level audio into...No longer stocked
