T-Relay

LILYGO® TTGO T-Relay ESP32 Wireless Module DC 5V 4 Groups Relay Development Board 4MB Flash WiFi Bluetooth Remote Switch Control

Specifications

HRS4H-S-DC5V Relay: 4 Blue LEDs Relay Work Indicator
①K1 Relay: GPIO21
②K2 Relay: GPIO19
③K3 Relay: GPIO18
④K4 Relay: GPIO05

Support T-U2T Upload Tool:
Computer->USB Type-C data cable->
Needs to be connected to T-U2T [USB to
serial] downloader to program , convenient, fast;
USB data line can be directly powered

Technology Support [Github]

If you need technical support please check the link to find more details.

T-Relay

1. Size

T-Relay W5500 Shield

2. More Details

3. Pin Diagram

T-Relay

• 1 x Relay
• 2 x pin

T-Relay T- U2T Kit

• 1 X Relay
• 2 x Pin
• 1 X T- U2T USB to TTL

T-Relay W5500 Shield