Wanting to keep these projects in one piece, but not sacrifice his Arduino board, so he etched his own LCD backpack that is Arduino compatible. If you’ve never made it past the Arduino board to ...

In short, your backpack is based on PCF8574T and the address connections (A0-A1- A2) are not bridged with solder it will have the slave address 0x27. Reference circuit diagram of an Arduino-compatible ...

Instructables user TannerTech has used a little Arduino technology to add gesture controls to his rolling backpack enabling the device to be manoeuvred in a much more elegant way. The Robo ...