ESP Relay Module Two Channel 5V Relay Board With 4MB Flash For Secondary Development Learning Dope Programmable Relay Board With Stable IO Pins And UART Download For Easy Plug And Play DIY Home Automation Projects
✔️ Includes 1 module, 2 relays, 4MB flash, with UART download
This two-channel, 5V relay board is built for learning, DIY home automation, and small control projects. It exposes IO pins and a UART download port for easy programming, making it handy for students and hobbyists to control mains and DC loads safely.
✅ Stable module supports all I/O pins and UART program download port, plus programmable keys and reset keys
✅ Output switching for two 5V relays, suitable for AC up to 250V or DC up to 30V
✅ Large 4MB flash capacity for flexible firmware storage
✅ BLE safety features for safe operation
✅ Package includes: 1 module, 2x 10-pin headers, 1x 6-pin header, 1x wire cover
💡 What is a relay module used for in electronics projects? It enables easy control of higher voltage devices from a microcontroller.
- Handy for switching mains loads safely
- Works with 5V logic and UART programming
- Great for DIY home automation learning
- Helpful for prototyping and automation work