LILYGO® TTGO T-Relay ESP32 Wireless Module DC 5V 4 Groups Relay Development Board 4MB Flash WiFi Bluetooth Remote Switch Control
Specifications
| MCU | ESP32 |
| FLASH | 4MB |
| PS RAM | 8MB |
| Bus Interfaces | UART, SPI, I2C, CAN, 12S, SDIO |
| Wireless | Wi-Fi 802.11 b/g/n |
| Bluetooth | BLE V4.2 |
| Onboard Functions | 4 Groups of relays |
| Optocoupler Isolation | 16 Expansion GPIO |
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.
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
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