You've all seen portable speakers becoming popular right now, but most of them are pretty expensive, so I'm going to…
UNIVERSAL BRUSH MOTOR DRIVER AND BLDC Introducing an overview of the BLDC motor driver circuit and board equipped with the IFX007T intelligent…
MINI WELDING MACHINE FROM CAR BATTERY We present an overview of a rather interesting model of a Chinese welding board…
UPS PC AS A SOLAR POWER PLANT The essence of the article is the use of an old computer UPS…
Controlling a 28BYJ-48 Stepper Motor Using ULN2003 Driver and Arduino Stepper motors are widely used to control many common devices…
Controlling a 3-Phase Brushless DC Motor Using GreenPAK Chips and Hall Sensors A brushless DC motor (BLDC), also known as…
LM317 and PWM control from Arduino There are very inexpensive ready-made voltage regulator modules, that is, a stabilizer based on…
We offer for repetition an inexpensive and easy-to-assemble Master / Slave switch for automatically switching the driven load from turning…
TRANSISTOR TESTER Т7 How to check a resistor - an ohmmeter. What about a diode? Multimeter. What about the capacitor? capacitive meter. And the transistor... But…
ZENER VOLTAGE TEST So, I assembled this useful device for my amateur radio laboratory - a zener diode tester. In order…