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5V Low Level Trigger One 1 Channel Relay Module Interface Board Shield DC AC 220V 89% OFF 5V Low Level Trigger One 1 Channel Relay Module Interface Board Shield DC AC 220V US$1.00 US$8.99 View It
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Top Positive Review for %s on Banggood, Shop best %s with lowest price on Banggood. Browse most helpful positive review for %s before you buy., rc toys, fun sports, fashion, popular electronics
Dak 01/04/2020
Used this in a raspberry PI octoprint project. It was for a remote on/off switch on a 3D printer. Worked great once I used the 3.3v instead of the 5v that I thought I needed from the pins of the PI. Luckily it still triggered at 3.3V, also the logic (turning relay on/off is backwards animist be reversed in software on Octoprint.
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