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.
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.
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.
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
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
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
In the article I describe a XL830L good multimeter that served me 2years, I also have experience selling this device – I sold it about 65 pieces. Continue reading
In my review I will describe my 3 year experience with the W1210W thermostat from Shenzenn Meihang (MH). In this article, you can read the pros and cons of the product, how to set it up and where to buy it. Continue reading
If you need a voltmeter to the battery indicator, this product is really good piece.In the following lines you read the pros and cons and how to engage manual and programming this device. Continue reading