Single-Channel Relay Module for Raspberry Pi Zero/2B/3B/4B, STM32, ESP32, Arduino – 3.3V/5V Relay Expansion Board with Optocoupler Isolation & LED Indicator – Fits Raspberry Pi One Channel Relay 5.0 out of 5 stars

Relay Module with Optocoupler High/Low Level Trigger for Arduino (3, 3V Relay 1 Channel)

Apr 8, 2018 · It's a 3V 3.3V Relay "Active LOW" and I want to use it with an Arduino Micro. So far I only had experiences with Box/Printrelais. I want to power the relay via the 3V Pin of the Arduino and toggle between NC and NO via Pin 12.

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Find a relay that has coil for 3.3volts, or . . . You are going to need to obtain (or create) a 5 volt supply. If you search for "step up breakout" you will find products that can step up 3.3v to 5 volts.

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Mini Timer Time Delay Relay .1 Sec to 400 days. 3V 12V 18V 5A. Power on or Off Delay, Cycling and More. Compatible with B00PD65UGA. Only 6 left in stock. Only 5 left in stock. Only 8 left in stock. Need help?

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