A very powerful speed control circuit, 1 FGA25N120 igbt is used in the power floor, there is also an overload protection section, the control is driven with igbt cd4050 based on lm319 and lm358 integrated
PWM Full-Range Motor Controller Circuit
CAUTION in the top view of the circuit (111364_7mg.jpg) 5 watt resistor 4.7ohm written as the value of these values is incorrect, please note this will be 5w 4.7k resistors
Source: http://www.siliconchip.com.au/cms/A_111364/article.html
IGBT 10A PWM 230V Motor Speed Control circuit alternative link:
IGBT 10A PWM 230V Motor Speed Control Circuit
Password: 320volt.com
Published: 2009/05/24 Tags: motor control circuit, motor driver circuit, pwm circuits
Water Softener Descaling Circuit
An intermediate wondered release I but am incapable of following a circuit electronic descaling time microcontroller with those piayasa sold in would perhaps there is still TLC 556 dual timing integrates made with the same function as a circuit Antrak newspaper Prepared by: TA2 is Göktay Alba Plans
Lime Remover Water Softener Circuit
Adam says: I just moved into a new home. I moved to a new house I looked at my old house by the water pressure is quite low. One of my new neighbors, the problem was caused by water hardness, so the inside of water pipes is filled with lime was said and continued: Here comes the water contains large amounts of calcium and magnesium minerals. These minerals, water pipes inside the washing machine in the resistance, in short contact with water in the shower head wherever we accumulate in our calcification bring this event occurs.
link is broken
I checked, no problem. link list inside zip file
Hello.
Dear! please tell me about the>>> L1 and L2 <<< How much turn are them?