• 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 » Transistor Circuits » Page 21

Transistor Circuits

Set Reset Latch Circuit using Transistors

Last updated on 6 May 2026 by Admin-Lavi Leave a Comment

This Set Reset Latch Circuit using Transistors tell us how to make an easy electric switch with two ON/OFF using two transistors. Also, many devices are used in special switching circuits like an SR latch to keep data even when the power turns OFF and then ON again. Furthermore, this type of circuit mostly uses […]

Filed Under: Transistor Circuits

Simple Adjustable Power Supply Circuit using Two Transistors

Last updated on 6 May 2026 by Admin-Lavi Leave a Comment

This Simple Adjustable Power Supply Circuit using Two Transistors is a simple power supply circuit, which can change the output voltage by using two transistors like BD140 and MJ2955 to control the voltage. What is a Adjustable Power Supply Circuit: Adjustable power supply circuit is an electric circuit which uses two transistors to change and […]

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

Long Duration Timer Circuit using Two Transistors

Last updated on 1 May 2026 by Admin-Lavi Leave a Comment

Do anyone wants to make a timer? because timer can turn something ON or OFF after 2 or 3 hour? This article for Long Duration Timer Circuit using Two Transistors show how make simple timer using only 2 transistors. Also, this project is very nice and good for people who want to learn electronics and […]

Filed Under: Timer Circuits, Transistor Circuits

How to Build a Simple Solar Cell Circuit using a 2N3055 Transistor

Last updated on 30 April 2026 by Admin-Lavi Leave a Comment

Anyone wants to know how solar panel work? then go through this article to understand it better. We can try How to build a Simple Solar Cell Circuit using a 2N3055 Transistor at home which is possible, also, if we like electronics and know transistor then we will enjoy this project. Furthermore, this model is […]

Filed Under: DIY Projects, Hobby Circuits, Mini Projects, Solar Circuits, Transistor Circuits

Simple Transistor Relay Driver Circuit

Last updated on 29 April 2026 by Admin-Lavi Leave a Comment

Small switch we call transistor is inside almost all electronic thing, but transistor cannot handle big power by itself. So we have used Simple Transistor Relay Driver Circuit which is like a special adapter for transistor and this help small signal from transistor to control big relay switch. Also, with this we can turn ON […]

Filed Under: Mini Projects, Transistor Circuits, Tutorials

Simple Temperature Indicator Circuit using a Single Transistor

Last updated on 29 April 2026 by Admin-Lavi Leave a Comment

To make a Simple Temperature Indicator Circuit using a Single Transistor is not so hard like people think. Furthermore, this article makes understand, how anyone can build this easy circuit using one diode, one transistor and some other small parts. What is a Temperature Indicator Circuit using a Single Transistor: Firstly, using one transistor, temperature […]

Filed Under: DIY Projects, Heater and Temperature Controllers, Indicator Circuits, Mini Projects, Sensors and Detectors, Transistor Circuits

  • « Go to Previous Page
  • Page 1
  • Interim pages omitted …
  • Page 19
  • Page 20
  • Page 21
  • Page 22
  • Page 23
  • Go to Next Page »

Primary Sidebar




Categories

  • 555 Timer Projects (25)
  • Alarm Circuits (59)
  • Amplifier Circuits (89)
  • Arduino Projects (102)
  • Audio Circuits (157)
  • Automation Circuits (13)
  • Automobile Circuits (22)
  • Battery Charger Circuits (76)
  • DIY Projects (85)
  • Free Energy (13)
  • Heater and Temperature Controllers (22)
  • High Voltage (18)
  • Hobby Circuits (38)
  • Indicator Circuits (58)
  • Inverter Circuits (19)
  • IoT projects (1)
  • LDR Circuits (34)
  • LED and Lamps (175)
  • Meters and Testers (35)
  • Mini Projects (57)
  • Motor Controllers (22)
  • Oscillator Circuits (51)
  • Power Supply Circuits (186)
  • Remote Control Circuits (9)
  • Security and Protection (52)
  • Sensors and Detectors (166)
  • Solar Circuits (32)
  • Timer Circuits (52)
  • Transistor Circuits (136)
  • Transmitter Circuit (20)
  • Tutorials (9)
  • Voltage Regulator (3)
  • Water Level Controller (8)

Recent Posts

  • Simple 500mW Speaker Driver Circuit
  • Easy DIY LM386 Audio Amplifier Circuit
  • Multi-Purpose Audio Preamplifier Circuit using IC TL072
  • AF Signal Preamplifier Circuit with LM741 IC
  • Simple LM324 Microphone Amplifier 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