This sketch is an example on how to create a pass through USB to serial interface that allows you to flash the on board ESP…
The Challenger RP2040 SubGHz boards also have their own Circuitpython image that when downloaded and flashed can be very easily used to send and receive…
The Challenger RP2040 LoRa boards now also have their own Circuitpython image that can be downloaded and used to send and receive data packets. The…
The Challenger RP2040 LoRa board is fully compatible with the The Things Network (TTN) and in this short article we will show you the steps…
Now it’s about time to get the Challenger RP2040 LoRa board configured and flashed with some firmware so that we can start seeing some data…
To obtain highest possible network speed with our Challenger RP2040 WiFi/BLE board we need to switch from using the standard UART to using RP2040 Programmable…
IMPORTANT: This errata applies only to boards with versions 0.3 and lower. Versions 0.4 and higher are fixed and work as expected. We hate it…
This example code implements a simple iperf test server that can be used to measure how much data you can push through the WiFi link…
Here’s super simple example on how to make the RGB LED on our challenger boards blink with all its colors. And that is all that…
This is a simple example on how to communicate, over SPI, with the ESP32C3 on board the Challenger RP2040 WiFi/BLE board. The example implements a…