Espressif ESP8266 based ESP-01 module may now cost $3, but it’s limited to only two GPIOs, so a Dooao, a Chinese company based in Beijing, has decided to make a new ESP8266 module with more GPIOs, PWM ...
Waveshare ESP32-S3-Zero is a tiny (23.5×18 mm) module based on Espressif ESP32-S3 WiFi 4 and BLE microcontroller with two rows of nine through holes plus 16 pads for GPIOs, a USB-C port for power and ...