esp32c3

Hi, I'm new to microcontrollers and try learning ESP32-C3 which has RV32I core by myself. I wanna to code baremetal ESP32-C3 instead of using ESP-IDF library and face some error with GPIO interrupt part I read the instruction in technical manual then try to do this lab to practice: mapping...

I want to play music from dfplayer mini with an rfid card reader. When I set up the circuit on the plate, I get a voltage drop, I don't know why, very meaningless ı use 5vto3v3 ams1117, entry 10uf exit 10uf and normally I was going to feed it with tp4056, I would switch my circuit with a...