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Posts Tagged ‘relay switcher’

Relays (DC): 99.9% less power and latching option

Thursday, November 1st, 2018

Technovative writes, "The purpose of this article, is to show a simple method to increase the power efficiency, and functionality, of standard DC actuated electromagnetic relay switches." Project instructables here.

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Posted in tutorials | No Comments »

Debug SONOFF AC relay with a thermal camera

Tuesday, February 27th, 2018

James Lewis shares his experience in debugging SONOFF AC relay with a thermal camera: The clever solution seemed to be clever, at least for a few minutes. Suddenly the light turned off. I thought maybe there was a timeout for the manual button. Annoying, but workable. The lamp remained off for...

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Posted in measurement, tutorials | 2 Comments »

Programmable relay switch using PIC MCU (revised version)

Thursday, June 30th, 2016

Raj has documented his DIY programmable relay switch using PIC16F1847 microcontroller: Here are the summary of the features that this programmable relay switch has: On-board +5V voltage regulator (operates at 9-15V DC input) OFF and ON time setup for the relay operation Option for cyclic run (maximum 100 cycles, after...

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Posted in PIC | 4 Comments »

Electric imp-controlled 120VAC relay switcher

Wednesday, January 21st, 2015

An  electric imp-controlled 120Vac relay switcher project by Dillon Nichols:  I updated my old GitHub project, Elec-Imp-Relay, to include my new code for the web app and electric imp files. The main index.html page is very basic and uses Google's Web Starter Kit as the basis. Lines 9-13 allow the web app...

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Posted in DIY | No Comments »

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