How to detect static electricity? DIY electroscope.

Why is the simplest zero-cross detector complete nonsense?

How does the gate resistor affect the transistor's turn-on time?

Repairing the oscilloscope. Why does the manufacturer skimp on the details?

How to identify a non-original operational amplifier and what input voltage should be applied?

All methods for finding a short circuit

Do not connect the battery to the synchronous DC-DC! You will get a short circuit.

How to fix a car LED lamp?

How to repair the Baseus 100w GAN charger?

How to choose the minimum gap between the printed circuit board tracks?

How to replace the battery in a supercapacitor and when is it necessary?

We've been lied to about diodes our whole lives; let's figure out what's wrong.

Зачем нужны ферритовые бусинки на ножках элементов?

How I Made a Home Server from an Old PC

Why does an inverter burn out from reverse voltage?

How does a Chinese switch powered by a single wire work? Reverse engineering

How to unscrew a small stripped screw?

How do semiconductors behave under the influence of temperature🌡️?

Which radiator dissipates heat better, black or white?

How a small limit switch ruined my 3D printing...

How to make a non-polar capacitor from two electrolytes?

Why is it recommended to close transition holes?

How to kill the board without even turning it on? Voltage differences are very dangerous!

How to get rid of the background of a combo amp? simple solution

How to measure shunt resistance with great accuracy?

How can I get a ticket 100% on the service center website?

Did you know what Magic Switch is?

Did you know that the outlet is not 220 volts but 310⚡?

How to fix a burnt out LED light bulb?

How do engineers solve problems? Checking the number of keystroke cycles using the CNC

What can be made from disposable items?

What current/power do SMD resistors hold? #часть2

What current/power do SMD resistors hold? #часть1

How does active noise cancellation work?

Did you know that if you bend an SMD resistor, it changes its resistance?

An optocoupler from a boozer - a do-it-yourself sound coupler.

DIY Jack Sparrow's compass. Toy for children.

What is better to buy, a thermal imager or a thermal imager-phone?

Crack CRC using brute force in Python. #Hacking #Programming #Python

How does a common mode choke work? A clear example with a generator and an oscilloscope.

Did you know that LEDs can generate electricity?

Useful device for protecting generators/inverters from input voltage (EcoFlow, Bluetti, etc.)

What do we know about the homonymous pins of the controller? How to connect power?

How does an LDO stabilizer suppress input ripple?

What happens if you connect 50 buzzers to 220⚡?

Did you know that quartz dies in an ultrasonic bath?

What is POE and how does it work?

Where can I find examples of correct PCB layout? Ti, STM, Microchip