Development Boards / Trinkets / Add-Ons

If you have an ItsyBitsy or Pro Trinket you probably know it's the perfect little size for a portable project. This LiPoly backpack makes it really easy to do! Instead of wiring 2 or 3 boards together to make a charging system, this little PCB sits on top of the PCB and allows a LiPoly/LiIon battery to plug in. When the Pro Trinket or ItsyBitsy USB port is powered,...

These little chips are like miniature SSD drives for your electronics. When you don't need something with as much storage as a micro SD card, but an EEPROM is too small, SPI (or QSPI) Flash chips give you on-the-order-of megabytes, with little cost and complexity. We use these chips all the time on our CircuitPython boards to let folks store code and assets like...

Here is a cute and minimal enclosure for your Pixel Trinkey to keep it safe during use and transport. This case has been custom-designed and 3D printed to accommodate the reset button, 3-pin JST SH port, and the 4 terminal block outputs. No screws or glue are required; simply snap the two pieces together over the Trinkey. It's made of clear plastic with an SLA...

If you've got a computer or laptop with a USB C port, but you're itching to use one of our fancy new Trinkeys, this adapter will do an excellent job at turning that USB Type C port into a USB A port! Works great with any device that has a USB C port. These adapters don't magically give you USB C speeds into a USB 2.x device, and they won't give you the power...