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.
Author Archives: Ivan
Digital LED RPM speedometer tachometer with Hall senzor review and wiring diagram
Aliexpress.com
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
Keweisi 3in1 USB voltage current capacity meter
A useful USB analyzer for voltage,current and capacity is very useful for detecting weak batteries in mobile phones..Here you will find my experience where to buy it and how to measure it. Continue reading
TOMO M4 2in1 charger+power bank 4×18650 li-ion cell
If you are looking for a good 18650 li-ion charger, please see M4 from TOMO , Compared to other chargers, has the advantage of being able to work as a power-bankHere is my review that tells you everything important:
STC 1000 temperature controller with 2x relay for heating- cooling
In my review I will describe my 2 year experience with the STC 1000 temperature cotroller. In this article, you can read the pros and cons of the product, manual and wirring guide how to set it up and where to buy it. Continue reading
12V DC LED digital thermometer with alarm and probe -60C +120C
If you want to buy an accurate thermometer with a sound alarm ,check out the BT305 model.Here are the experiences and all the necessary technical data. Continue reading
Antusi A6 4-in-1 Wireless Bike Alarm ,COB LED,Smart Bell
Although bicycle theft is not one of the most common crimes in world, you never know who your new bicycle is doing. If you’re really afraid of your bike, we have a tip for the perfect gadget alarm for you. Is Antusi A6 (cicadas) this devices is very useful , in this review you read my experience, pros and cons, technical parameters and manual.