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Published November 24, 2025 ©

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LILYGO T-Relay S3

ESP32 Wireless Module DC 5V 4 Groups Relay Development BoardÍ

COMPONENTS
PROJECT DESCRIPTION

Specifications

2 X 10PIN Expansion Seat, LCD connection PIN

MCUESP32-S3-WROOM-1U Xtensa® dual-core 32-bit LX7
FLASH16MB
PSRAM8MB
WirelessWi-Fi: 802.11 b/g/n; Bluetooth LE: Bluetooth 5
Onboard FunctionsRelays X 6, Reset + Boot Button

Sample Code For Reference [Github]

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

T-Relay S3


T-Relay Chain

Pin Daigram

T-Relay S3

T-Relay Chain

More Details


 


What's In The Box

T-Relay S3

T-Relay Chain

T-Relay S3 W5500

Documents
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