Edited: You didn’t specify what ESP32 product you are talking about. If you are talking about the poplar ESP WROOM32 board, they ate about $5 each if you buy 3 of them.
Edited: You didn’t specify what ESP32 product you are talking about. If you are talking about the poplar ESP WROOM32 board, they ate about $5 each if you buy 3 of them.