For ESP32 Relay Control Module with Built-in AC/DC Power Supply Circuit

For ESP32-Based Dual Relay Board for Prototyping and Smart Device Control

3PCS 9V 500mA 4.5W Switch Mode PSU Module 90-240V AC Input for DIY Electronics

3PCS 4.5W 9V 500mA Switching Power Supply 90-240V AC Input for Lab Testing

3PCS 9V 500mA Regulated AC-DC Converter 90-240V Input 4.5W Output for Hobbyists

3PCS 9V 500mA SMPS Board 90-240V Wide Range Input 4.5W Output for Prototyping

3PCS 4.5W 9V 500mA AC-DC Power Module 90-240V Input 30x20x18mm PCB Size

ESP32-32E Dev Board with Flexible MOS Switch Setup Dual or Channel Support