• Skip to primary navigation
  • Skip to main content
  • Skip to primary sidebar

Circuit Ideas for You

Get free circuit ideas online.

  • Home
  • Privacy Policy
  • About
Home » Page 30

12V 5A Linear Power Supply Circuit

Last updated on 10 December 2025 by Admin-Lavi Leave a Comment

This is a simple and easy to make 12V 5A Linear Power Supply Circuit. It uses transformer, bridge rectifier, filter capacitor, control transistor and regulator IC. Circuit gives clean 12V output. It is good for LED strips, small radios, car stereo tests, chargers and hobby projects. Circuit is easy to build and its parts are […]

Filed Under: Power Supply Circuits

Simple 5V to 3.3V Converter Circuit using IC LD33V

Last updated on 10 December 2025 by Admin-Lavi Leave a Comment

Here is an article for Simple 5V to 3.3V Converter Circuit using IC LD33V. This circuit is cheap, works from 5V input and it uses LD33V voltage regulator IC. We just need to take a phone charger and put a charger output to regulator input. And then regulator will gives stable 3.3V output which is […]

Filed Under: Power Supply Circuits

Stable 5V 3A Power Source Circuit using IC LM350

Last updated on 9 December 2025 by Admin-Lavi Leave a Comment

This Stable 5V 3A Power Source Circuit using IC LM350 is to make stable 5V 3A DC output from AC mains. It use transformer, bridge rectifier, filter capacitors and LM350 adjustable regulator. LM350 can give up to 3A current which is good for microcontroller, charger, LED strip and many circuits. The unregulated power supply works […]

Filed Under: Power Supply Circuits

Simple IC L7660 Dual Power Generator Circuit

Last updated on 9 December 2025 by Admin-Lavi Leave a Comment

This Simple IC L7660 Dual Power Generator Circuit makes dual power from single 5V input. It gives +5V and -5V output. It is useful for op amp circuits, analog circuits and small signal circuits. The design uses ICL7660 voltage converter IC. The circuit is simple and uses only two capacitors. Circuit Working: Parts List: Component […]

Filed Under: Power Supply Circuits

5V 3A Linear Power Supply Circuit

Last updated on 11 December 2025 by Admin-Lavi Leave a Comment

This 5V 3A Linear Power Supply Circuit is very simple for one to give it a try. It uses only LM323K IC and few more parts which are easily available. It gives 5V fixed output and can handle load up to 3A. Circuit Working: Parts List: Component Specification Quantity Capacitors Electrolytic 4700uF 25V, 470uF 25V […]

Filed Under: Power Supply Circuits

555 Pulse Generator Li-ion Battery Charger Circuit

Last updated on 8 December 2025 by Admin-Lavi Leave a Comment

Charging a Li-ion battery does not need big smart charger. But we can do it with one small 555 timer chip. This 555 Pulse Generator Li-ion Battery Charger Circuit makes fast little pulses that charge the cell gentle and safe. Anyone can build this circuit with very few parts and with very low cost. A […]

Filed Under: Battery Charger Circuits, Timer Circuits

  • « Go to Previous Page
  • Page 1
  • Interim pages omitted …
  • Page 28
  • Page 29
  • Page 30
  • Page 31
  • Page 32
  • Interim pages omitted …
  • Page 170
  • Go to Next Page »

Primary Sidebar




Categories

  • 555 Timer Projects (24)
  • Alarm Circuits (59)
  • Amplifier Circuits (86)
  • Arduino Projects (102)
  • Audio Circuits (153)
  • Automation Circuits (12)
  • Automobile Circuits (22)
  • Battery Charger Circuits (75)
  • DIY Projects (81)
  • Free Energy (13)
  • Heater and Temperature Controllers (22)
  • High Voltage (18)
  • Hobby Circuits (29)
  • Indicator Circuits (58)
  • Inverter Circuits (19)
  • IoT projects (1)
  • LDR Circuits (34)
  • LED and Lamps (175)
  • Meters and Testers (35)
  • Mini Projects (53)
  • Motor Controllers (22)
  • Oscillator Circuits (50)
  • Power Supply Circuits (185)
  • Remote Control Circuits (9)
  • Security and Protection (49)
  • Sensors and Detectors (164)
  • Solar Circuits (32)
  • Timer Circuits (52)
  • Transistor Circuits (136)
  • Transmitter Circuit (20)
  • Tutorials (9)
  • Voltage Regulator (3)
  • Water Level Controller (8)

Recent Posts

  • AF Signal Preamplifier Circuit with LM741 IC
  • Simple LM324 Microphone Amplifier Circuit
  • Transistor Based Video Amplifier Circuit
  • DIY 20W OCL Audio Amplifier Circuit
  • Simple High Impedance JFET Preamp Circuit

Recent Comments

  1. How to Make a Bird Chirping Noise Easily on Chirping Bird Sound Generator Circuit
  2. Transistor Based Medium Impedance Preamplifier Circuit - Circuit Ideas for You on Low Impedance Input Transistor Preamplifier Circuit
  3. Admin-Lavi on Alternate Red Green LED Flasher Circuit
  4. Admin-Lavi on Alternate Red Green LED Flasher Circuit
  5. Mike on Alternate Red Green LED Flasher Circuit

Copyright © 2026 | New Circuit Ideas