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T-Relay 5V 8 Channel Relay
T-Relay 5V 8 Channel Relay
T-Relay 5V 8 Channel Relay Module ESP32 Wireless Development Board
3.67 / 5.0
(3) 3 total reviews
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About Shipping
About Shipping
Methods & Delivery Time
- Standard Express: 25-30 Days
- YunTu Express : 10-20 Days
(Company name can't be used consignee) - DHL: 10-17 Days
- FedEx: 10-17 Days
Please note that all delivery times are estimated for reference only.
Check More Info: Shipping Policy
About Tax
About Tax
For countries other than USA, we only charge [product cost + shipping cost], no tax.
Orders from US customers are adjusted according to different shipping channels:
1. For Standard Express Order: We charge【product cost + shipping cost + part of tax】this rate is only applicable to shipment from China warehouse.
(Since the tax is charged according to the declared amount, we have filtered the most suitable solution, and it is most likely that this shipping way does not need you to deal with the customs duty, but it is not absolute)
2. For DHL Order: We charge【product cost + shipping cost】no any tax, tax need you to pay attention to the local policy changes, when the parcel arrives at the US customs, deal with the tax matters by yourself.
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The above content is only for charging reference on lilygo.cc website, the specific tax situation still depends on the local country's policy requirements, once the parcel is sent out, you need to keep an eye on its status, and to assist in handling it as needed when it arrives at the local customs, we will also follow up during the process, if you have any
LILYGO® T-Relay 5V 8 Channel Relay Module ESP32 Wireless Development Board WIFI Bluetooth With Optocoupler Isolation For Arduino




LILYGO® T-Relay Introduction
LILYGO® T-Relay is equipped with 8 Channel Relay (With Optocoupler Support) and ESP32 (Supports WIFI Bluetooth), and each relay is equipped with an individual indicator and a red custom indicator.

Specifications |
MCU | ESP32-Wrover-E |
FLASH | 4MB |
PS RAM | 8MB |
Bus Interfaces | UART , SPI , 12C , CAN , 12S , SDIO |
Wireless | |
Wi-fi | 802.11 b / g / n |
Bluetooth | BLE V4 . 2 |
Onboard Functions | 8 Relays Reset Button |
Optocoupler Isolation | 16 Expansion GPIO |
HRS4H-S-DC5V Relay | 8 Blue LEDS Relay Work Indicator |
K1--IO33 | K2--IO32 | K3--IO13 | K4--IO12 |
K5--IO21 | K6--IO19 | K7--IO18 | K8--IO05 |
Maximum switching voltage : AC: 250V , DC : 28V |
Power supply input range : DC12-24V |
Support T-U2T Upload Tool : weComputer- > USB Type-c data cable- >Can be connected to use T-U2T USB toserial downloader , convenient , fast ,USB data line can be directly powered |
Technical support
If you need technical support, check out the links for more details.














T-Relay Options
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1 X T-Relay 8 Channel Relay
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2 X 2.54 PIN

T-Relay T-U2T Kit Options
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1 X T-Relay 8 Channel Relay
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2 X 2.54 PIN
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1 X T-U2T USB TO TTL







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Who can use
It's easier to master these development boards with a basic programming knowledge [engineers/ students/ makers, etc..]
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Accelerated processing
International orders please make sure your address is in English
For Hong Kong, Macau and Taiwan orders, please note your personal ID. -
Got a question
Click on the bubble in the bottom right corner where some frequently asked questions are answered, or just drop us a line.
I am completely satisfied.
T-Relay 5V 8 Channel Relay
I think the build quality, especially of the T-Relay 5V 8 Channel Relay is superb. Far better than a lot of the cheap boards that come out of the far east