1PC NEU ESP32 Expansion board ESP32 30P DEVKIT V1 Power board module ESP32S #YT

2PC Serial-to-parallel pin IO expansion module 74HC595 3 to 24pin LED control#TT

1PC NEW IO expansion module 74HC595 output extends 3-turn 24pin LED control #YT

10PC NEU Laser module Expansion board Laser sensor development board module #YT

LM35 Temperature Humidity Sensor Multifunction Expansion Board Adapter

ESP8266 Esp-07 Remote Serial Port WIFI Module with IO adapter plate Expansion

5PCS NEW TCA9548A PCA9548A 1to8 I2C Eight-way multiway IIC expansion module #YT

10PC expansion module TCA9548A PCA9548A 1to8 I2C Eight-way multiway IIC