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If you need measure brix , baume or water on honey you need refractometer with the correct scale.In this article you will learn the pros and cons of how it is used and where to buy it. Continue reading
Author Archives: Ivan
1000w YIYUN 36V-48V DC brush motor controller
If you need high performance, you need more watts ,This control unit can deliver 1000 watts to the brush engine.
This article has experience with “ebike scooter”control unit, the plus and minus manual how to connect it with other components all technical documentation.
Ebike throttle with switch and voltmeter 12V-72V
Universal throttle for electric bicycles scooters, quads and simmilar devices , has key switch, voltmeter and hall-based throttle in this article can you read my review and how to correctly connect the wires to the control unit Continue reading
Sonoff Wifi switch failed guide FAQ
here I write the most common mistakes and faileds with Sonoff switch with wifi connections.I will describe the connection error with the wifi router and other faileds , maybee can help with you problem. Continue reading
Sonoff wifi relay module my review and complete manual
Hello in this page i describe Sonoff wifi relay switch module with simple On/Off . In post you can read my review , and manual how to connect and pair with smartphone Android / iOs app. Continue reading
220V 2CH remote relay switch 220V Review and GUIDE
In this post I describe a two-channel remote relay switch with power source 220V. Now read my review and complete instructions how to connect and set this relay module.
Digital LED RPM speedometer tachometer with Hall senzor review and wiring diagram
Good day here is my complete review , with schematic how to connect Hall proximity sensor to device CF5135B. I buy 3 pieces for start and here is my experience.In my review you see pros and cons, detailed instructions how to plug and set this device with technical parameters.
Kaige 12V dual channel remote relay board review and manual
In this post I will describe a two-channel relay model KGS-B20 from szKaige manufacturer, read my review and complete instructions how to connect and set this relay Continue reading
STC-2000 Temperature controller review and manual.
If you plan to buy microcomputer temperature controller with alarm model STC-2000 is good solution,in this review i show his proos and cons ..You can download the complete setup manual with wirring.
Elitech STC-1000 temperature controller review and wirring manual
If you are considering purchasing a thermostat with a probe, you are sure to see the Elitech STC-1000,but does it differ from the generic “noname” version? In this review you will find a comparison with the generic version and a complete manual how to wirring and set up this temperature controller. Continue reading