Small Zener diode voltage regulator circuit with PCB
Small Zener diode voltage regulator circuit with PCB, using transistor and few parts. it is simple and cheap fixed dc source circuit. As one of best choice.
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November 13, 2018
24V 2A power supply circuit
SEE! the 24V 2A power supply circuit for a 30w power amplifier or others circuits.
April 20, 2018
5V,6V,9V,10V,12V-1A Regulators using 78xx series
First choice of Fixed Regulator using family IC-78xx. It is easy to use, cheap, popular for a long time.
November 2, 2017
Many Fixed Regulator Circuits 5V,6V,9V,10V,12V 1A using IC-78xx series
9V regulated power supply circuit diagram
Modify power supply source in old circuit PCB. I then build to is 9v regulated power supply circuit , that can give current 1 to 2Amp. Look 3 circuit below
May 30, 2017
Simple 3.3V Power Supply circuit @ 1A for Digital
If you would like to build Simple 3.3V Power Supply circuit for digital micro controller or esp8266. This circuit may be one way for you. It can power current at 1A maximum. We normally use common electronics parts, so easy and cheap.
May 3, 2017
Increasing output voltage 78xx using diode
This is increasing output voltage 78xx using diode, is a fixed voltage regulator. Its output can rise by adding diodes, accurate, easy, and save. See more!
March 13, 2017
Universal nicd and nimh battery charger using LM317T
Here is Universal nicd and nimh battery charger circuit. It use IC LM317T ( Hot IC) Control Current less 300mA, Size battery 2.4V,4.8V,9.6V. Low cost circuit
March 13, 2014
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