this post was submitted on 17 Jun 2023
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Electronics
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Right now, I would suggest the ESP32 family… very well supported, lots of community, it’s quite a powerful MCU and you can find it for 3-5$ on Ali
I think ali doesnt work in my country. But is it something like this?
Whats the interface like? Would I need custom programmer boards? Serial com port etc?
What about compilers? I saw riscv mentioned in some places, so would gcc work?
You can find a lot of different dev boards with ESP32, like the one you mentioned. There is other with camera, e-paper screen drivers, smaller footprint (Xiao ESP32). The simplest way to program is using Arduino IDE, but I prefer using PlatformIO on VScode. GCC would work. The interface is with the USB port, which is used for COM port or for programming
The easiest way to program it would be using something like Esphome. I think Node Red is another tool that greatly simplifys things, but I haven't had the time to mess with it yet.