Blog List

1. DC Variable Power Supplier Using IC LM317/LM117.
2. Emergency Mobile Phone Charger Using 1.5V battery.
3. Half and Full Wave Bridge Rectifier Circuit.
4. Meaning of the Charge & Voltage rating on a Capacitor.
5. DC 6V to 12V Boost Converter Circuit Using 555 Timer IC.
6. 555 Timer IC calculator (Monostable) Only For You.
7. 555 Timer IC Calculator(Astable) Only For You.
8. 555 Timer IC Operation (Astable & Monostable).
9. Battery Status Indicator Circuit (Battery Low or Charged Fully) Using LED.
10. Voltage regulator circuit using zener Diode and Transistor.
11. Simple Mobile Phone Charger Circuit.
12. How to Test a Zener Diode.
13. How to Test a Diode Using Multimeter.
14. How to Test a Transistor Using Analog and Digital Multimeter (whether it is PNP or NPN).
15. How To Test a Relay (SPDT) Switch Pins.
16. Audio Amplifier Circuit Using IC TDA2003.
17. Simple Traffic Signal Light Controller Circuit.
18. Toroid Core And Winding.
19. How to test a 7 segment display.
20. How to use an Analog Multimeter as a DC Power Supply.
21. Audio Amplifier Circuit using OP-AMP LM386.
22. Transistor Preamplifier Circuit.