A small low-voltage voltage converter is often used for the manufacture of so-called external batteries (power bank). The fact is that for the charge of most modern
Read more
A compact, pulsed, low-power, low-voltage power supply unit with 110/220 V power supply and 5 V output with a current of up to 0.7 A, that is, with a maximum power of 3.5 watts, it may be needed as a source
Read more
A very small, but remote pulse voltage regulator on an LM2596 chip in an eight-pin planar case. It has excellent characteristics and at the same time it heats up minimally, and even that
Read more
An optical quantum generator is now available to everyone at a low price, this is a unique device that can convert energy (in our case, electric) into light, monochromatic
Read more
Hello. Today I want to talk about the YL-63 obstacle avoidance sensor. It is mainly used for various robot models on ARDUINO and not only. With it you can "find"
Read more
Reed switch is a sealed contact, which begins to pass an electric current when exposed to a magnetic field. There are different types of reed switches, but we will consider the most common, with
Read more
Now we will talk about a rather popular step-down converter based on the LM2596 chip. The Chinese sell ready-made fees for a penny, while they have a very good weekend
Read more
Now, with the advent of specialized microcircuits, voltage converters have become very efficient and have minimal energy loss when converting one voltage value to another. Now
Read more
Today we will consider the electromagnetic lock presented in the AliExpress store. The electromagnetic lock operates on a direct current voltage of 12 V. The wire length is 2.5 cm. The lock is connected very
Read more
We all know such a device as an electromagnetic relay, it is used where it is necessary to control a large load with a small input current. But, like all relay mechanisms, it doesn’t last forever and
Read more
You can assemble a simple and at the same time a good doorbell with your own hands. For a very small price, the seller offers a complete designer kit for self-assembly of a sound generator
Read more
Nowadays, lithium-ion batteries are very popular because of their high energy intensity and compactness at the same time. The most popular size is 18650, of which
Read more
The temperature control relay with a digital display will find its application in a huge number of homemade products. The relay can be installed in an incubator and a bathhouse, in a basement and a container for heating water, a greenhouse,
Read more
I have long wanted to make an adjustable laboratory DC power supply. And he developed a circuit (for 2 voltage ranges) and the transformer was wound ... but in the case of temporary cases
Read more