Hello! In advance, this is the first online project I’ve posted, so constructive criticism is welcome! I recently got a Microtouch device from Adafruit Industries (www.adafruit.com). This is a wonderful product, co-produced by Adafruit and Rossum (http://rossum.posterous.com). However, the first thing that I noticed was the lack of general in/out ports to interface to LEDs, transistors, and other external devices. This also seems to have been apparent to several other members of the Ask An Engineer weekly video. I devised a method to solve this problem by utilizing the MicroSD card slot and SPI software libraries present on the Microtouch.
Microtouch – 2.4, make your own “iTouch-like” device! Sure, the latest “iTouchy” gadgets are pretty cool. But who wants a locked down device? Why not build your own touch-screen device, with your own apps, all on open source hardware and using open source tools? OK, it can’t play MP3s, but it does have a 320×240 TFT color display with resistive touch screen, an Atmega32u4 8-bit microcontroller, lithium polymer battery charger, backlight control, micro-SD slot, and a triple-axis accelerometer. Yeah, this is the next big thing and for those of us who like to DIY, you can do a lot of cool stuff with this dev board.
This product is just the Microtouch dev board (preloaded with some demo Apps), and does not include a lithium polymer battery or a microSD card. You will need a lipoly battery with 2-pin JST connector for best performance. It can run straight from USB but due to the charger design, the backlight will be dimmed so it will not appear as bright as with a battery installed. We strongly suggest our medium lipoly but you can substitute another 3.7V cell. A microSD card will be handy if you want to display images, slideshows or animations.
2.8″ 320×240 16-bit color, TFT display with resistive touch screen
Lithium polymer battery charging via USB
3-axis accelerometer, MMA7544 +-2g to +-8g resolution
Micro SD card slot
Battery monitoring, backlight control and on/off switch
Of course, we wouldn’t just leave you with a schematic or datasheet and say ‘good luck’! The designer of the Microtouch (known to us by the code name “Rossum” ) has written a full hardware core operating system and multiple demo apps such as…
Image viewer built into the hardware core, you can plug in a microSD card with images, slide shows or animations that show up as ‘mini Apps’
The Microtouch is powerful and fun but is not meant for microcontroller beginners! If you’re just starting out, we suggest checking out the Arduino to get your feet wet. Once you feel comfy with programming C and programming microcontrollers directly, come back and pick up one of these.
Heat Death for the Microtouch. It’s an embedded version of the Gamemaker Game of the same name Heat Death. The Universe has reached heat death, and will soon be no more. You have a little energy left to make it last a little longer or give energy to some of the remaining particles. This is an Open Box game that is completely open source, down to the hardware. Entire environment fits in under 28k, and has a max resoltion of 240×320.
NEW PRODUCT – Microtouch – 2.4, make your own “iTouch-like” device! Sure, the latest “iTouchy” gadgets are pretty cool. But who wants a locked down device? Why not build your own touch-screen device, with your own apps, all on open source hardware and using open source tools? OK, it can’t play MP3s, but it does have a 320×240 TFT color display with resistive touch screen, an Atmega32u4 8-bit microcontroller, lithium polymer battery charger, backlight control, micro-SD slot, and a triple-axis accelerometer. Yeah, this is the next big thing and for those of us who like to DIY, you can do a lot of cool stuff with this dev board.
This product is just the Microtouch dev board (preloaded with some demo Apps), and does not include a lithium polymer battery or a microSD card. You will need a lipoly battery with 2-pin JST connector for best performance. It can run straight from USB but due to the charger design, the backlight will be dimmed so it will not appear as bright as with a battery installed. We strongly suggest our medium lipoly but you can substitute another 3.7V cell. A microSD card will be handy if you want to display images, slideshows or animations.
2.8″ 320×240 16-bit color, TFT display with resistive touch screen
Lithium polymer battery charging via USB
3-axis accelerometer, MMA7544 +-2g to +-8g resolution
Micro SD card slot
Battery monitoring, backlight control and on/off switch
Of course, we wouldn’t just leave you with a schematic or datasheet and say ‘good luck’! The designer of the Microtouch (known to us by the code name “Rossum” ) has written a full hardware core operating system and multiple demo apps such as…
Image viewer built into the hardware core, you can plug in a microSD card with images, slide shows or animations that show up as ‘mini Apps’
The Microtouch is powerful and fun but is not meant for microcontroller beginners! If you’re just starting out, we suggest checking out the Arduino to get your feet wet. Once you feel comfy with programming C and programming microcontrollers directly, come back and pick up one of these.
NEW PRODUCT – Microtouch – 2.4, make your own “iTouch-like” device! Sure, the latest “iTouchy” gadgets are pretty cool. But who wants a locked down device? Why not build your own touch-screen device, with your own apps, all on open source hardware and using open source tools? OK, it can’t play MP3s, but it does have a 320×240 TFT color display with resistive touch screen, an Atmega32u4 8-bit microcontroller, lithium polymer battery charger, backlight control, micro-SD slot, and a triple-axis accelerometer. Yeah, this is the next big thing and for those of us who like to DIY, you can do a lot of cool stuff with this dev board.
This product is just the Microtouch dev board (preloaded with some demo Apps), and does not include a lithium polymer battery or a microSD card. You will need a lipoly battery with 2-pin JST connector for best performance. It can run straight from USB but due to the charger design, the backlight will be dimmed so it will not appear as bright as with a battery installed. We strongly suggest our medium lipoly but you can substitute another 3.7V cell. A microSD card will be handy if you want to display images, slideshows or animations.
2.8″ 320×240 16-bit color, TFT display with resistive touch screen
Lithium polymer battery charging via USB
3-axis accelerometer, MMA7544 +-2g to +-8g resolution
Micro SD card slot
Battery monitoring, backlight control and on/off switch
Of course, we wouldn’t just leave you with a schematic or datasheet and say ‘good luck’! The designer of the Microtouch (known to us by the code name “Rossum” ) has written a full hardware core operating system and multiple demo apps such as…
Image viewer built into the hardware core, you can plug in a microSD card with images, slide shows or animations that show up as ‘mini Apps’
The Microtouch is powerful and fun but is not meant for microcontroller beginners! If you’re just starting out, we suggest checking out the Arduino to get your feet wet. Once you feel comfy with programming C and programming microcontrollers directly, come back and pick up one of these.
Printable catalog (PDF)
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