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Author: Ivan

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

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

February 1, 2018 Ivan Leave a comment

Aliexpress 230V 2ch remote relay 15.00 BUY NOW In this post I  describe a two-channel remote relay switch with power…

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Posted in: Electricity measurement

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

STC-2000 Temperature controller review and manual.

July 19, 2017 Ivan 6 Comments

If you plan to buy microcomputer temperature controller with alarm model STC-2000 is good solution,in this review i show his…

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Posted in: Temperature/Humidity

Elitech STC-1000 temperature controller review and wirring manual

July 16, 2017 Ivan 1 Comment

Aliexpress STC1000 from Aliexpress official store $16.00 BUY NOW If you are considering purchasing a thermostat with a probe, you…

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Posted in: Temperature/Humidity

Keweisi 3in1 USB voltage current capacity meter

July 12, 2017 Ivan 1 Comment

Banggood.com Keweisi usb meter Banggod $11.00 BUY NOW A useful USB analyzer for voltage,current and capacity is very useful for…

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Posted in: Electricity measurement

TOMO M4 2in1 charger+power bank 4×18650 li-ion cell

Ivan 4 Comments

Aliexpress Liitokala alternative 18650 charger $14.00 BUY NOW If you are looking for a good 18650 li-ion charger, please see…

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Posted in: Other

STC-1000 temperature controller 2x relay heating- cooling,review and manual

July 7, 2017 Ivan 9 Comments

Aliexpress STC-1000 temperature controller 110V/220V $12.00 BUY NOW In my review I will describe my 2 year experience with the…

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Posted in: Temperature/Humidity

12V DC LED digital thermometer with alarm and probe -60C +120C

July 4, 2017 Ivan 10 Comments

Aliexpress Thermometer ALARM -60C +125C 6.50 BUY NOW If you want to buy an accurate thermometer with a sound alarm…

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Posted in: Temperature/Humidity

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