Skip to content
Usefulldata.com
Usefull information for every day
  • Temperature/Humidity
  • Modules
  • Electricity measurement
  • Non-electrical meters
  • E-bike
  • Other

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…

Continue Reading →

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…

Continue Reading →

Posted in: Modules

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

June 9, 2021 Ivan Leave a comment

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

Continue Reading →

Posted in: Modules

GZF-12V Water liquid level module switch

August 17, 2020 Ivan 4 Comments

– 25% Aliexpress.com GZF-12 liquid level controller $4.00  $3.00 Buy Now A small 12V module that can be used to…

Continue Reading →

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…

Continue Reading →

Posted in: Modules

Sonoff wifi relay module my review and complete manual

March 1, 2018 Ivan 3 Comments

Banggood.com SONOFF basic -Banggood.com 5.00 Buy Now Hello in this page i describe Sonoff wifi relay switch module with simple…

Continue Reading →

Posted in: Modules

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

November 22, 2017 Ivan 24 Comments

Aliexpress.com Digital LED RPM speedometer tachometer with Hall senzor $11.00 Buy Now Good day here is my complete review ,…

Continue Reading →

Posted in: Modules, Non-electrical meters

Kaige 12V dual channel remote relay board review and manual

November 2, 2017 Ivan 1 Comment

Aliexpress.com 2Ch remote relay 12V aliexpress 10.00 Buy Now In this post I will describe a two-channel relay model KGS-B20…

Continue Reading →

Posted in: Modules

12V Dual channel remote relay review and complete instruction manual

May 26, 2016 Ivan Leave a comment

Aliexpress.com 2CH remote relay switch 15.00 Buy Now a good thing if you need to remotely control any electrical circuit…

Continue Reading →

Posted in: Modules

Recent Posts

  • LiitoKala Lii-PD4 charger 18650 Li-ion or NiMH/CD
  • WS02 Bluetooth thermo-hygrometer with Android/ iOS app (datalogger)
  • KS-SF22R bike remote alarm with remote control, displacement sensor review manual
  • W1209WK 12V temperature controller with dual display and probe review manual
  • DTC1201 Wifi temperature controller with Tuya APP

Categories

  • E-bike
  • Electricity measurement
  • Modules
  • Non-electrical meters
  • Other
  • Temperature/Humidity

Recent Comments

  • Ivan on 24V/36V YIYUN YK31C Controller for brush motor review and manual
  • Johnny on 24V/36V YIYUN YK31C Controller for brush motor review and manual
  • Ivan on Samebike LO26 48V 10.4Ah Review and Experience
  • Jorge on Samebike LO26 48V 10.4Ah Review and Experience
  • Russell Blumenstein on WH7016C Temperature controller – complete review and guide how to set

Meta

  • Log in
  • Entries feed
  • Comments feed
  • WordPress.org

Copyright © 2022 Usefulldata.com — Primer WordPress theme by GoDaddy