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Author: Ivan

Disco bulb – cheap lighting for a good party

December 27, 2014 Ivan Leave a comment

Improve your party with these magical disco bulb, his light is RGB (red,green,blue) and rotating which creates a great disco effect.

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Posted in: Other

How to resolve disputes on ebay and other chinese shops

December 15, 2014 Ivan Leave a comment

My manual shows how to communicate with the seller that the issue is resolved.

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Posted in: Electricity measurement

I buy good RGB Led Strip

July 24, 2014 Ivan Leave a comment

Banggood.com Banggood rgb strip free shipping 11.00 BUY NOW Before two weeks i order  rgb led strip from Banggood ,…

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Posted in: Other

AC digital voltmeter 80-500V

April 2, 2014 Ivan Leave a comment

Good voltmeter for low price. AC voltmeter  I bought on Ebay for $ 5 with free postage , its realy good…

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Posted in: Electricity measurement

Good AC Volt-ammeter wiring (black version)

March 31, 2014 Ivan Leave a comment

If I wanted to measure the voltage in the socket I bought this volt-ammeter. Measured voltage and current simultaneously. This is…

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Posted in: Electricity measurement

Waterproof voltmeter green, blue,red

March 30, 2014 Ivan Leave a comment

Waterproof voltmeter  is good thing for Motorcycle , 4×4 quad. Voltmeter is realy waterproof and stubborn.

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Posted in: Electricity measurement

Digital thermostat stc-1000 (wilhi) diagram schematic , manual

March 13, 2014 Ivan 11 Comments

Switch the modes between cool and heat; Control temperature by setting the temperature setting value and the difference value; Temperature calibration;…

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Posted in: Temperature/Humidity

Digital DC Voltmeter 0-100V from china (schematic and diagrams)

March 6, 2014 Ivan 5 Comments

Aliexpress Voltmeter Ruideng store 4.00 BUY NOW This is a voltmeter that I like to use. 3 usd news for…

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Posted in: Electricity measurement

Ammeter schematic and diagram

February 23, 2014 Ivan Leave a comment

I buy digital Ammeter (ampermeter) from ebay and i cannot found schematic diagram for this .

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Posted in: Electricity measurement

100W Adjustable water Heater for Aquarium (test)

February 6, 2014 Ivan Leave a comment

I do not have an aquarium but got my hands on the heater . Power is 100 watts and has…

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Posted in: Temperature/Humidity

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