WEMOS D1 Mini Relay Shield 250VAC 10A

C$ 3.60

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Availability: In stock SKU: 26211
Quantity 3 - 9 C$ 3.33
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Description

This shield comes with a 10A / 250VAC print relay, and is compatible with the WEMOS D1 Mini environment.

The relay is activated through pin D1.

it requires the 5V power supply to work. If you power your D1 Mini only by 3.3V, or a single lithium cell, the relay module will not work.

Example codes for Wemos D1 Mini Sensors and Modules (GitHub)

Another source for Wemos D1 Mini compatible Arduino libraries (GitHub)

Additional information

EAN

4260474032112

Manufacturer

UNIVERSAL-SOLDER

Brand

CANADUINO

1 review for WEMOS D1 Mini Relay Shield 250VAC 10A

  1. 4 out of 5

    reid.solberg (verified owner)

    This relay shield is super handy with the Wemos D1 mini. One thing to note is that it uses pin ‘D1’ as its trigger, which is the default i2c SCL pin on the D1 mini. I think the official Wemos relay shield does as well. This means that you can’t use a shield that uses D1 for i2c SCL at the same time as this relay shield, such as the 0.66″ OLED display shield. I solved this by desoldering the header pin ‘D1’ on the relay shield and soldering a jumper wire from the ‘D1’ pad to ‘D4’, so that the relay’s trigger is on a suitable pin.


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