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Well, I got a couple of these for around 4€ a pop, I was planning to use them for a telescope project, but changed my mind later because this module has a HUGE issue with WiFi with a verry limited range.
Well, I got a couple of these for around 4€ a pop, I was planning to use them for a telescope project, but changed my mind later because this module has a HUGE issue with WiFi with a verry limited range.
When I asked for help in electronic forums the answer was that the most likely reason was the 2 metal buttons around the wifi antena acting as sheilds...
Long story short, I was unable to find much, if any doc on these things...
But, I still managed to get the board going with the LCD. The rest is easy as it is standard ESP32C3...
To use the board, you need to download the Espressif board managers in Arduino IDE.
The board to select is "ESP32C3 dev module"
Note that some modules seems to have the LCD wired differentely. In this case, parameters in the code needs to be adjusted for x/y
Pinout, which seems correct.
Pinout, which seems correct.
These schematics are however, not 100% correct. Among other things, they lack the LED on IO8...
ESP32-C3-0.42OED Schematic.pdfPage updated
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