







⚡ Empower Your IoT Game with Smart, Secure Relay Control!
The LILYGO TTGO T-Relay ESP32 module is a versatile 5V development board featuring an ESP32-Wrover-B MCU with 4MB Flash and 8MB PS RAM. It supports WiFi 802.11 b/g/n and Bluetooth BLE 4.2 for seamless wireless communication. Equipped with 4 relay channels with optocoupler isolation and 16 GPIO pins, it enables robust, safe remote switching and extensive expandability for IoT and automation projects.












| ASIN | B09XWWYK4V |
| Best Sellers Rank | #3,115 in Single Board Computers (Computers & Accessories) |
| Brand | LILYGO |
| Compatible Devices | Computer, T-U2T Upload Tool |
| Connectivity Technology | GPIO, Wi-Fi |
| Customer Reviews | 4.1 4.1 out of 5 stars (53) |
| Global Trade Identification Number | 06971336330458 |
| Item Dimensions L x W x H | 3.58"L x 3.35"W x 0.69"H |
| Manufacturer | LILYGO |
| Memory Storage Capacity | 4 MB |
| Mfr Part Number | 6971336330458 |
| Model Name | TTGO T-Relay |
| Model Number | 6971336330458 |
| Processor Brand | LILYGO |
| Processor Count | 1 |
| RAM Memory Installed | 8 MB |
| RAM Memory Technology | LPDDR2, LPDDR3 |
| Warranty Description | 1 year |
| Wireless Compability | 802.11b |
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