• 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

Transistor Circuits

Home » Transistor Circuits » Page 8

220V Inverter Circuit using 2N3055 Transistors

Last updated on 12 July 2025 by Admin-Lavi Leave a Comment

This article show how to make a strong 220V Inverter Circuit using 2N3055 Transistors. It can change 12V battery like car battery into 220V electric for home. It is easy to make and does not need many parts, and work very good. WARNING: But be very careful. Homemade inverter can be dangerous always check safety […]

Filed Under: Inverter Circuits, Transistor Circuits

Audio Mixer Circuit using a Single Transistor

Last updated on 12 July 2025 by Admin-Lavi Leave a Comment

Audio Mixer Circuit using a Single Transistor is an small and easy circuit which mixes three sounds. It uses only one transistor which can mix two or three sounds into one. It is good for beginners who want to learn about sound and electronics Circuit Working: Parts List: Category Description Quantity Resistors 2.2k CFR 1 […]

Filed Under: Audio Circuits, Transistor Circuits

Simple Lie Detector Circuit using Transistors

Last updated on 12 July 2025 by Admin-Lavi Leave a Comment

Have fun making this Simple Lie Detector Circuit using Transistors. Real lie detectors are very hard and complicated so this one is not perfect. But it is fun way to see how body react when stress. This circuit works by checking sweat changes to know if someone tell truth or lie. When people are scared […]

Filed Under: Sensors and Detectors, Transistor Circuits

Simple Logic Probe Circuit using Transistors

Last updated on 12 July 2025 by Admin-Lavi Leave a Comment

This article for Simple Logic Probe Circuit using Transistors tell how to make one useful tool called voltage tester. It uses two transistors for checking if some place in circuit have positive voltage. When it find electricity it makes beep sound and small light turns ON. People who want to learn electronics, this tool will […]

Filed Under: Meters and Testers, Transistor Circuits

9V to 300V Converter Circuit

Last updated on 12 July 2025 by Admin-Lavi Leave a Comment

This smart design for 9V to 300V Converter Circuit changes a small 9V battery power into big 300V power. It uses only one transistor and is very simple and easy for one to try. This circuit is good for learning and for small projects. What is a 9V to 300V Converter: A circuit called as […]

Filed Under: Inverter Circuits, Transistor Circuits

Bass Treble Tone Control Circuit using a Single Transistor

Last updated on 12 July 2025 by Admin-Lavi Leave a Comment

This Bass Treble Tone Control Circuit using a Single Transistor BC547. It is an easy tone control circuit. We can turn bass up or down and treble also in audio sound. What is Bass Treble Tone Control Circuit: This Bass Treble Tone Control Circuit make treble go high by cutting sound below 500 Hz. When […]

Filed Under: Audio Circuits, Transistor Circuits

  • « Go to Previous Page
  • Page 1
  • Interim pages omitted …
  • Page 6
  • Page 7
  • Page 8
  • Page 9
  • Page 10
  • Page 11
  • Go to Next Page »

Primary Sidebar




Categories

  • Alarm Circuits (35)
  • Amplifier Circuits (67)
  • Arduino Projects (59)
  • Audio Circuits (99)
  • Automobile Circuits (19)
  • Battery Charger Circuits (54)
  • Free Energy (13)
  • Heater and Temperature Controllers (10)
  • High Voltage (1)
  • Indicator Circuits (42)
  • Inverter Circuits (16)
  • LDR Circuits (18)
  • LED and Lamps (123)
  • Meters and Testers (30)
  • Motor Controllers (18)
  • Oscillator Circuits (34)
  • Power Supply Circuits (93)
  • Remote Control Circuits (7)
  • Security and Protection (26)
  • Sensors and Detectors (99)
  • Solar Circuits (22)
  • Timer Circuits (32)
  • Transistor Circuits (65)
  • Transmitter Circuit (14)
  • Tutorials (6)
  • Water Level Controller (4)

Recent Posts

  • Electronic Eye Circuit using IC 4049
  • Sound And Light Metronome Circuit using Transistors
  • Simple LED Circuit
  • IR Burglar Alarm Circuit
  • LED Blinking Circuit using 555 Timer

Recent Comments

  1. Admin-Lavi on FM Transmitter Circuit (100 meters range)
  2. DEVINDER SINGH on FM Transmitter Circuit (100 meters range)
  3. Admin-Lavi on Constant Voltage, Constant Current Battery Charger Circuit
  4. Bill on Constant Voltage, Constant Current Battery Charger Circuit
  5. Admin-Lavi on Long Range FM Transmitter Circuit (2km)

Copyright © 2025 | New Circuit Ideas