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RS485 I2C SPI Master Slave Multifunction Controller Module ESP32 Base Plate Board for Arduino WIFI PLC MQTT ESPhome

Gravity BMP388 Barometric Pressure Sensor Module I2C/SPI High Precision 0.5m Altitude for Arduino Low Power

XYS3580 DC DC Buck Boost Converter CC CV 0.6-36V 5A Power Module Adjustable Regulated laboratory power supply For arduino Board

8CH WiFi RS485 Relay Board DC12V/24V ESP32 Programmable Module for Arduino PLC IoT Smart Home Industrial Control

Gravity: WIFI IoT module compatible with micro:bit Arduino supports multiple IoT platforms

High Precision Temperature Humidity Sensor Module Low Power Consumption Compatible with Arduino DHT22 AM2302

DC 12V 24V 8CH Wifi Relay 30Pin ESP32 Programmable Expansion Board Modbus RS485 IO Module for Arduino IOT Network Smart Switch

Pro Shield Module for Arduino DC 12V 24V DIY Cycle Timer ON/OFF Switch