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Category: Modules

JK-B2A24S Active Equalizer Li-ion, Lifepo4 batteries with bluetooth app

July 29, 2021 Ivan 2 Comments

In this article can you read about cell balancer JK-B2A24S with bluetooth app You will learn my experience pros and…

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Posted in: Modules

4ch Remote Relay switch 12V DC

July 14, 2021 Ivan Leave a comment

 You will learn the pros and cons instructions on how to set it up control this and schematic remote relay…

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Posted in: Modules

T2310 Time Controller with 1.37TFT display (12V-24V/AC110V-220V) Review and instructions manual

June 9, 2021 Ivan 2 Comments

In this article, you will learn the pros and cons instructions on how to set it up and control it.…

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Posted in: Modules

GZF-12V Water liquid level module switch

August 17, 2020 Ivan 5 Comments

Aliexpress GZF-12 liquid level controller $6.00 BUY NOW A small 12V module that can be used to control the pump…

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Posted in: Modules, Non-electrical meters

Sonoff Wifi switch failed guide FAQ

March 6, 2018 Ivan Leave a comment

here I write the most common mistakes and faileds with Sonoff switch with wifi connections.I will describe the connection error with…

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Posted in: Modules

Sonoff wifi relay module my review and complete manual

March 1, 2018 Ivan 3 Comments

Aliexpress SONOFF basic -aliexpress 5.00 BUY NOW Hello in this page i describe Sonoff wifi relay switch module with simple…

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Posted in: Modules

Digital LED RPM speedometer tachometer with Hall senzor review and wiring diagram

November 22, 2017 Ivan 26 Comments

Aliexpress Digital LED RPM speedometer tachometer with Hall senzor $11.00 BUY NOW Good day here is my complete review ,…

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Posted in: Modules, Non-electrical meters

Kaige 12V dual channel remote relay board review and manual

November 2, 2017 Ivan 3 Comments

Aliexpress 2Ch remote relay 12V aliexpress 10.00 BUY NOW In this post I will describe a two-channel relay model KGS-B20…

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Posted in: Modules

12V Dual channel remote relay review and complete instruction manual

May 26, 2016 Ivan Leave a comment

Aliexpress 2CH remote relay switch 15.00 BUY NOW a good thing if you need to remotely control any electrical circuit…

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Posted in: Modules

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