Tag: mini
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Lessons learnt from ESP NOW
| hardwareFor those of you who aren’t aware of ESP NOW, it’s a communication protocol developed by Espressif for their ESP modules. What began as a simple “hook up my plant lights to HomeKit”, turned into a massive home grown firmware, but more about that in another post. I’ve successfully setup a bunch of ESP 8266…
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nRF52840 – CircuitPython 5.0.0 pinout
| hardwareI recently got CircuitPython running on my SparkFun nRF52840 Pro Mini. Compared to what SparkFun says the pin mappings should be, I found them to be quite different. Perhaps they changed with CircuitPython 5.0.0? Here’s what the pin mapping looks like, when superimposed over SparkFun’s pinout diagram: Sources: https://learn.sparkfun.com/tutorials/nrf52840-development-with-arduino-and-circuitpython https://github.com/adafruit/circuitpython/blob/0f003ac5b8312fafb120e86e05eefd2431014d8c/ports/nrf/boards/sparkfun_nrf52840_mini/pins.c