• Skip to main content
  • Skip to primary sidebar

Homemade Circuit Projects

Need circuit help? Post them in the comments! I've answered over 50,000!

Blog | Categories | About | Contact | Calculators-online
You are here: Home / Archives for Transmitter Circuits

Transmitter Circuits

Wireless Home theater Circuit using Bluetooth Headset

Last Updated on June 26, 2019 by Swagatam 22 Comments

speaker visible

In this post I have explained a 200 + 200 watt wireless home theater circuit using a class D amplifier and a Bluetooth headset as the wireless module. The idea was requested by Mr. Sudipta Mandal. Technical Specifications I want to make my home theater wireless. My home theater model is Sony SRS-D9 2.1 channel. […]

Filed Under: Transmitter Circuits Tagged With: Bluetooth, Headset, Home, Theater, Wireless

Modifying a Bluetooth Headset Device

Last Updated on May 26, 2019 by Swagatam 23 Comments

speaker visible 1

In the previous post I explained regarding the internal circuitry of a typical Bluetooth headset, in this post we’ll see how a Bluetooth headset unit can be modified or “hacked” in order to make it work for other personalized applications. In the previous article I have explained how to break open a Bluetooth headset device and […]

Filed Under: Transmitter Circuits Tagged With: Bluetooth, device, Headset, Modifying

What’s Inside a Bluetooth Headset

Last Updated on August 6, 2018 by Swagatam 5 Comments

Bluetooth headset

In this post I have explained what’s inside a Bluetooth headset gadget and also know how to hack it for using it for other useful personalized applications. The world is going digital at a rapid pace and advanced concepts such as Bluetooth are quickly replacing the other traditional form of technologies. What’s Bluetooth What’s Bluetooth? […]

Filed Under: Transmitter Circuits Tagged With: Bluetooth, Headset, Inside

Making a Wireless Doorbell Circuit

Last Updated on January 4, 2020 by Swagatam 24 Comments

wireless doorbell transmitter circuit

Today the traditional wired type of doorbells are gradually getting obsolete and are being replaced by the advanced wireless type of doorbells that are easier to install due to their hassle free set-ups. A simple wireless doorbell circuit is discussed in the following post which can be constructed at home. Written and Submitted By: Mantra […]

Filed Under: Transmitter Circuits Tagged With: Doorbell, Making, Wireless

Cell Phone Triggered Night Lamp Circuit

Last Updated on June 20, 2019 by Swagatam 7 Comments

rf detector

Feeling difficult to grope for a light switch in deep sleep when someone calls you at night? Then may be this cellphone triggered RF night lamp circuit can solve your problem….This is a very simple basic circuit and is easy to construct compared to other online available circuits which switches on a relay when it […]

Filed Under: Transmitter Circuits Tagged With: Cell, Lamp, Night, Phone, Triggered

Simple Walkie Talkie Circuit

Last Updated on January 1, 2025 by Swagatam 172 Comments

walkie talkie circuit

In this article I have explained a simple walkie talkie circuit that can be easily built by any hobbyist and used for communicating between rooms or floors or simply for having some fun across neighbors and friends. The range of this system is around 30 meters. A walkie-talkie, also commonly referred to as handheld transceiver is […]

Filed Under: Transmitter Circuits Tagged With: Simple, Talkie, Walkie

  • « Go to Previous Page
  • Page 1
  • Page 2
  • Page 3
  • Page 4
  • Page 5
  • Go to Next Page »

Primary Sidebar




Subscribe to New Posts

Categories

  • Arduino Projects (89)
  • Audio and Amplifier Projects (132)
  • Automation Projects (17)
  • Automobile Electronics (101)
  • Battery Charger Circuits (83)
  • Datasheets and Components (104)
  • Electronics Theory (143)
  • Free Energy (37)
  • Games and Sports Projects (11)
  • Grid and 3-Phase (19)
  • Health related Projects (25)
  • Home Electrical Circuits (12)
  • Indicator Circuits (14)
  • Inverter Circuits (88)
  • Lamps and Lights (142)
  • Meters and Testers (69)
  • Mini Projects (46)
  • Motor Controller (64)
  • Oscillator Circuits (27)
  • Pets and Pests (15)
  • Power Supply Circuits (108)
  • Remote Control Circuits (50)
  • Security and Alarm (64)
  • Sensors and Detectors (101)
  • Solar Controller Circuits (59)
  • Temperature Controllers (42)
  • Timer and Delay Relay (49)
  • Transmitter Circuits (29)
  • Voltage Control and Protection (39)
  • Water Controller (36)




Other Links

  • Privacy Policy
  • Cookie Policy
  • Disclaimer
  • Copyright
  • Videos
  • Sitemap




People also Search

555 Circuits | 741 Circuits | LM324 Circuits | LM338 Circuits | 4017 Circuits | Ultrasonic Projects | SMPS Projects | Christmas Projects | MOSFETs | Radio Circuits | Laser Circuits | PIR Projects |

Social Profiles

  • Twitter
  • YouTube
  • Instagram
  • Pinterest
  • My Facebook-Page
  • Quora
  • Stack Exchange
  • Linkedin



  • Recent Comments

    • Swagatam on How to Make HHO Fuel Cell Circuit in Automobiles for better Fuel Efficiency
    • Swagatam on How to Repair Mosquito Swatter Bats
    • Pradosh on How to Repair Mosquito Swatter Bats
    • eq on How to Make HHO Fuel Cell Circuit in Automobiles for better Fuel Efficiency
    • Swagatam on 100A AC Load Monitoring Circuit using Arduino, Watt Limit, LCD, Alarm, Auto Shutdown

    © 2025 · Swagatam Innovations