• 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 » DIY Projects » Page 9

DIY Projects

Arduino Touch Sensor Relay Circuit

Last updated on 4 July 2026 by Admin-Lavi Leave a Comment

Want to control appliances by touch? then this circuit makes it possible, as this Arduino Touch Sensor Relay Circuit uses Arduino and touch sensor. The Arduino reads the touch signal and uses the relay as a toggle switch. When we touch the sensor once, the relay turns ON and when we touch the sensor again, […]

Filed Under: Arduino Projects, Automation Circuits, DIY Projects, Mini Projects, Sensors and Detectors

Simple Up Down Fading LED Circuit

Last updated on 4 July 2026 by Admin-Lavi Leave a Comment

This circuit makes LED glow slowly and then fade slowly which looks like breathing effect, also it uses simple parts like only resistor, capacitor and transistor and with no microcontroller. Furthermore, beginners can easily build this Simple Up Down Fading LED Circuit on a breadboard, and they can use it in shopping malls, homes and […]

Filed Under: DIY Projects, LED and Lamps, Mini Projects

35V Dual Output Power Supply Circuit

Last updated on 4 July 2026 by Admin-Lavi Leave a Comment

This tutorial teaches us about the 35V Dual Output Power Supply Circuit, the circuit outputs is plus 35 volts and minus 35 volts, powering audio amplifiers and op-amp circuits.  Circuit also uses transformer, bridge rectifier, big filter capacitors and further, its output becomes +35V, -35V and ground. Circuit Working: Parts List: Components Values Quantity Capacitors […]

Filed Under: DIY Projects, Hobby Circuits, Power Supply Circuits, Tutorials

12V 5A Linear Power Supply Circuit

Last updated on 3 July 2026 by Admin-Lavi Leave a Comment

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

Filed Under: DIY Projects, Power Supply Circuits

Stable 5V 3A Power Source Circuit using IC LM350

Last updated on 3 July 2026 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; also it uses transformer, bridge rectifier, filter capacitors and LM350 adjustable regulator. Here, IC LM350 can give up to 3A current which is good for microcontroller, charger, LED strip and many circuits; further the […]

Filed Under: DIY Projects, Power Supply Circuits

Simple IC L7660 Dual Power Generator Circuit

Last updated on 3 July 2026 by Admin-Lavi Leave a Comment

This Simple IC L7660 Dual Power Generator Circuit makes dual power from single 5V input, as it gives +5V and -5V output and is useful for op amp circuits, analog circuits and small signal circuits. Moreover, the design uses ICL7660 voltage converter IC and also the circuit is simple and uses only two capacitors. Circuit […]

Filed Under: DIY Projects, Mini Projects, Power Supply Circuits

  • « Go to Previous Page
  • Page 1
  • Interim pages omitted …
  • Page 7
  • Page 8
  • Page 9
  • Page 10
  • Page 11
  • Interim pages omitted …
  • Page 69
  • Go to Next Page »

Primary Sidebar




Categories

  • 555 Timer Projects (132)
  • Alarm Circuits (80)
  • Amplifier Circuits (94)
  • Arduino Projects (103)
  • Audio Circuits (189)
  • Automation Circuits (150)
  • Automobile Circuits (40)
  • Battery Charger Circuits (86)
  • DIY Projects (413)
  • Free Energy (12)
  • Heater and Temperature Controllers (32)
  • High Voltage (24)
  • Hobby Circuits (229)
  • Indicator Circuits (63)
  • Inverter Circuits (17)
  • IoT projects (12)
  • LDR Circuits (47)
  • LED and Lamps (201)
  • Meters and Testers (44)
  • Mini Projects (372)
  • Motor Controllers (25)
  • Oscillator Circuits (70)
  • Power Supply Circuits (240)
  • Radio Frequency (8)
  • Remote Control Circuits (12)
  • Renewable energy (20)
  • Security and Protection (127)
  • Sensors and Detectors (234)
  • Solar Circuits (31)
  • Timer Circuits (62)
  • Transistor Circuits (178)
  • Transmitter Circuit (19)
  • Tutorials (31)
  • Voltage Regulator (43)
  • Water Level Controller (10)

Recent Posts

  • Low Current Controlled Battery Charger Circuit using LM723 IC
  • 741 Op-Amp Treble Booster Circuit
  • Simple Diode and Transistor Based Audio Limiter Circuit
  • Simple 500mW Speaker Driver Circuit
  • Easy DIY LM386 Audio Amplifier Circuit

Recent Comments

  1. Admin-Lavi on High Voltage Fence Charger Circuit
  2. egidio grzinic on High Voltage Fence Charger Circuit
  3. Logic OR Gate Circuit using Transistors - Circuit Ideas for You on Automatic Street Light Circuit using LDR
  4. Tony Gallegos on NTC Thermistor Based Temperature to Voltage Converter Circuit
  5. colin on Simple Single Transistor Audio Amplifier Circuit

Copyright © 2026 | New Circuit Ideas