Peripherals¶
Contents
Antenna¶
The on-board BLE antenna can be switched on or off using the the SW3 “RF” slide switch on the bottom-right side of the board.
Push Buttons¶
SW1: “STATUS” button (
BUTTON1
signal)SW2: “RESET” button
RGB LEDs¶
D4…D7: 4x APA102C addressable RGB LEDs.
These RGB LEDs are connected to the nRF52832 over SPI.
Power supply to these RGB LEDs is controlled
by the PWR_EN
signal, connected to a GPIO
of the nRF52832.