The reel board is an evaluation board based on the Nordic Semiconductor nRF52840 SoC.
It is equipped with an Electrophoretic (electronic ink) Display (EPD), along with temperature, humidity, light, and accelerometer sensors, and Bluetooth connectivity.
| Interface | Hardware Supported | TinyGo Support |
|---|---|---|
| GPIO | YES | YES |
| UART | YES | YES |
| SPI | YES | YES |
| I2C | YES | YES |
| ADC | YES | Not yet |
| PWM | YES | Not yet |
Documentation for the machine package for the reel board
The reel board comes with a bootloader that allows Mass Storage Device (MSD) flashing. This means you can just copy the compiled .hex file generated by TinyGo onto it, no additional flashing software is needed.
Build and flash your TinyGo program using tinygo flash like this:
tinygo flash -target=reelboard [PATH TO YOUR PROGRAM]
The reel board should restart and begin running your program.
Programs can also be loaded onto the reelboard using the openocd command line utility program. You must install OpenOCD before you will be able to flash the reelboard with your TinyGo code.
tinygo flash -target=reelboard