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1000w YIYUN 36V-48V DC brush motor controller

August 24, 2018 Ivan 5 Comments

Aliexpress.com 36V 1000W brush controller YIYUN $16.30 Buy Now Aliexpress.com 48V 1000W brush controller YIYUN $16.00 Buy Now If you…

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Posted in: Ebike controllers

Ebike throttle with switch and voltmeter 12V-72V

July 28, 2018 Ivan 12 Comments

Aliexpress.com E-bike throttle 0-99V KIT with keys $10.00 Buy Now Universal throttle for electric bicycles scooters, quads and simmilar devices…

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Posted in: Ebike controllers

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: Uncategorized

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…

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Posted in: Uncategorized

220V 2CH remote relay switch 220V Review and GUIDE

February 1, 2018 Ivan Leave a comment

In this post I  describe a two-channel remote relay switch with power source 220V. Now read my review and complete…

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Posted in: Measurement

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

November 22, 2017 Ivan 20 Comments

Aliexpress.com Digital LED RPM speedometer tachometer with Hall senzor $9.00 Buy Now Good day here is my complete review ,…

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Posted in: Measurement

Kaige 12V dual channel remote relay board review and manual

November 2, 2017 Ivan 1 Comment

In this post I will describe a two-channel relay model KGS-B20 from szKaige manufacturer, read my review and complete instructions…

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Posted in: Uncategorized

STC-2000 Temperature controller review and manual.

July 19, 2017 Ivan 6 Comments

Aliexpress.com STC-2000 Temperature controller $9.80 Buy Now If you plan to buy microcomputer temperature controller with alarm model STC-2000 is…

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Posted in: Measurement

Elitech STC-1000 temperature controller review and wirring manual

July 16, 2017 Ivan Leave a comment

Aliexpress.com Elitech STC1000 from Aliexpress official store $16.00 Buy Now If you are considering purchasing a thermostat with a probe,…

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Posted in: Uncategorized

Keweisi 3in1 USB voltage current capacity meter

July 12, 2017 Ivan Leave a comment

Banggood.com Keweisi usb meter Banggod $5.50 Buy Now A useful USB analyzer for voltage,current and capacity is very useful for…

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Posted in: Measurement

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