• 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 71

Canary Bird Chirp Generator Circuit

Last updated on 17 June 2026 by Admin-Lavi Leave a Comment

Canary Bird Chirp Generator Circuit is fun and easy circuit, it make sound like real canary bird chirping and it works like audio oscillator to copy bird sound. In addition, toys, sound gadgets and DIY projects use this circuit to generate sound effects and, also, a 9 V battery powers the circuit, making it easy […]

Filed Under: Audio Circuits, DIY Projects, Hobby Circuits

Jet Engine Sound Generator Circuit using IC HT2844P 

Last updated on 17 June 2026 by Admin-Lavi Leave a Comment

Jet Engine Sound Generator Circuit using IC HT2844P is fun learning project and it makes jet engine sound using simple parts. Furthermore, it uses IC HT2844P sound chip to make real jet noise which is good for model fans, school work or DIY fun; also circuit needs 3V power and keeps under 3.3V or else circuit […]

Filed Under: Audio Circuits, DIY Projects, Hobby Circuits

Subwoofer Low Pass Filter Circuit using Op-Amp TL062

Last updated on 17 June 2026 by Admin-Lavi Leave a Comment

Subwoofer Low Pass Filter Circuit using Op-Amp TL062 that let low sound go and block high sound, also this circuit is good for subwoofers which gives deep and strong bass. The circuit uses TL062 op-amp which is active for low pass type and it cut high sound and keep bass clean and loud. Also, STMicroelectronics […]

Filed Under: Amplifier Circuits, Audio Circuits, DIY Projects

Simple 12V DC Fan Speed Controller Circuit

Last updated on 17 June 2026 by Admin-Lavi Leave a Comment

Simple 12V DC Fan Speed Controller Circuit is an useful project in electronics, it changes fan speed by adjusting the voltage; also, this post talks about fan speed controller using IC LM2941. LM2941 is low dropout voltage regulator and it handles up to 1A current and it is good for cooling, temperature control and automation […]

Filed Under: Automation Circuits, Mini Projects, Voltage Regulator

Electronic Game Scorer Circuit

Last updated on 17 June 2026 by Admin-Lavi Leave a Comment

To begin with, we call this circuit an Electronic Game Scorer Circuit because it uses a 555 timer IC, a 74LS192 counter, a 74LS247 decoder, and a 7-segment display. When player presses the button the circuit counts the score and each press increases the number on display, so it is easy to keep score in […]

Filed Under: 555 Timer Projects, Hobby Circuits, Indicator Circuits

Seven Segment Display Circuit: Datasheet, Pinouts And Working

Last updated on 17 June 2026 by Admin-Lavi Leave a Comment

A Seven Segment Display is a simple electronic display device that shows numbers from 0 to 9. Moreover, it contains seven LED segments arranged in the shape of the number “8,” and engineers name each segment from a to g. By turning ON different segments, it can display different numbers. LEDs make the display bright […]

Filed Under: Tutorials

  • « Go to Previous Page
  • Page 1
  • Interim pages omitted …
  • Page 69
  • Page 70
  • Page 71
  • Page 72
  • Page 73
  • Interim pages omitted …
  • Page 171
  • Go to Next Page »

Primary Sidebar




Categories

  • 555 Timer Projects (129)
  • Alarm Circuits (80)
  • Amplifier Circuits (92)
  • Arduino Projects (103)
  • Audio Circuits (189)
  • Automation Circuits (139)
  • Automobile Circuits (39)
  • Battery Charger Circuits (85)
  • DIY Projects (381)
  • Free Energy (12)
  • Heater and Temperature Controllers (32)
  • High Voltage (23)
  • Hobby Circuits (220)
  • Indicator Circuits (63)
  • Inverter Circuits (17)
  • IoT projects (11)
  • LDR Circuits (46)
  • LED and Lamps (199)
  • Meters and Testers (43)
  • Mini Projects (349)
  • Motor Controllers (25)
  • Oscillator Circuits (64)
  • Power Supply Circuits (234)
  • Radio Frequency (8)
  • Remote Control Circuits (12)
  • Renewable energy (19)
  • Security and Protection (120)
  • Sensors and Detectors (233)
  • Solar Circuits (31)
  • Timer Circuits (62)
  • Transistor Circuits (175)
  • Transmitter Circuit (19)
  • Tutorials (29)
  • Voltage Regulator (40)
  • 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