• 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 | Hire Me | Contact | Calculators-online
You are here: Home / Archives for Laser

Laser

Foolproof Laser Security Alarm Circuit

Last Updated on July 3, 2019 by Swagatam 11 Comments

foolproof

In this post I have explained a a simple yet versatile foolproof laser security alarm circuit which can be used for securing any concerned premise with extreme accuracy. The idea was requested by GPS. Circuit Objectives and Requirements Your circuits were very useful to me. Thanks for all your posts, but i wanted something different […]

Filed Under: Security and Alarm Tagged With: Alarm, Foolproof, Laser, Security

Laser Communicator Circuit – Send, Receive Data with Laser

Last Updated on January 3, 2024 by Swagatam 30 Comments

LaserCommunicator

In this article I have explained how to make a simple laser communicator circuit for sending and receiving data through laser beam. Laser has been a boon since its invention. Laser is used in wide variety of applications, from Blu-ray driver to high powered cutting torch. There are also many classifications of laser technologies. Here […]

Filed Under: Wireless Circuits Tagged With: Communicator, Data, Laser, Receive, Send

Laser Diode Driver Circuit

Last Updated on October 16, 2020 by Swagatam 40 Comments

ddl laser driver and current and voltage measuring circiut 001

The current controlled circuit of a laser pointer power supply explained in the following post was requested by Mr. Steven Chiverton (stevenchiverton@hotmail.com), who himself is an intense electronic hobbyist and researcher. Technical Specifications Dear swagatam, I’m emailing you to ask you for your expertise, and you being one of India’s finest electronics engineers I thought you be […]

Filed Under: Security and Alarm Tagged With: Diode, Driver, Laser

Laser Beam Light Activated Remote Control Circuit

Last Updated on January 8, 2024 by Swagatam 27 Comments

laserbeamremotecontrolcircuit

The following post illustrates a simple light toggled/operated remote control circuit, which can be activated by an ordinary flashlight or more effectively through  a laser beam unit (key chain type). The circuit idea may be understood with the below mentioned points: How the Circuit Functions Transistor T3 along with the associated parts and the LDR […]

Filed Under: Remote Control Circuits Tagged With: Activated, Beam, Control, Laser, Light, Remote

  • « Go to Previous Page
  • Page 1
  • Page 2

Primary Sidebar

My YouTube Channel

Circuit Simulator: Draw and Simulate Schematics

circuit simulator image

Categories

  • Arduino Projects (95)
  • Audio and Amplifier Projects (134)
  • Automation Projects (18)
  • Automobile Electronics (104)
  • Battery Charger Circuits (90)
  • Datasheets and Components (109)
  • Electronics Theory (151)
  • Energy from Magnets and Earth (43)
  • Games and Sports Projects (11)
  • Grid and 3-Phase (20)
  • Health related Projects (27)
  • Home Electrical Circuits (13)
  • Indicator Circuits (16)
  • Inverter Circuits (98)
  • Lamps and Lights (161)
  • Meters and Testers (72)
  • Mini Projects (28)
  • Motor Controller (68)
  • Oscillator Circuits (30)
  • Pets and Pests (15)
  • Power Supply Circuits (91)
  • Remote Control Circuits (50)
  • Security and Alarm (65)
  • Sensors and Detectors (107)
  • SMPS and Converters (46)
  • Solar Controller Circuits (62)
  • Temperature Controllers (44)
  • Timer and Delay Relay (51)
  • Voltage Control and Protection (44)
  • Water Controller (37)
  • Wireless Circuits (31)

Subscribe to get New Circuits in your Email

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 |

Recent Comments

  • Nicodemus Onate on How to Design Your Own Inverter Transformer
  • Swagatam on Making a Self-Powered Generator
  • Swagatam on Electronic Circuit Projects, Tutorials, and Practical Engineering Solutions
  • Ranjith Gurusinghe on Making a Self-Powered Generator
  • Mazlom on Electronic Circuit Projects, Tutorials, and Practical Engineering Solutions

Social Profiles

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

Calculators

  • ZVS Induction Heater + Tank Calculator Tool
  • Zener Diode Calculator
  • Wire Current and Thickness Calculator (Ampacity Calculator)
  • Voltage Divider Calculator
  • Transistor Base Resistor Calculator
  • Transistor Astable Multivibrator Calculator
  • TL431 Calculator
  • Solar Panel, Inverter, Battery Calculator
  • Ferrite Core Air Gap Calculator Tool
  • Parallel MOSFET Calculator Tool: How to Connect MOSFETs in Parallel Safely
  • LC Resonance Calculator for EV Battery Charger Circuits
  • LED String Series Resistor Calculator
  • PFC (Power Factor Correction) Calculator Tool: 3kW
  • Passive Power Factor Correction (PFC) Calculator
  • LM567 IC Calculator Tool
  • SMPS Flyback Boost Converter Calculator
  • Shunt Resistor Calculator for Ammeters
  • SCR and Triac Gate Resistor Calculator
  • Battery Back up Time Calculator
  • Boost Converter Calculator (Non-Isolated)
  • Bootstrap Capacitor Calculator
  • Buck Converter Calculator
  • Buck-Boost Converter Calculator
  • Capacitance Reactance Calculator
  • DCM Flyback Transformer & Wire Gauge Wire Size Calculator Tool
  • Filter Capacitor Calculator
  • IC 4047 Calculator (Frequency and PWM)
  • IC 4060 Calculator
  • IC 555 Astable Calculator
  • IC 555 Monostable Calculator
  • IC SG3525, SG3524 Calculator
  • Inductance Calculator
  • Induction Heater Inductor and Resonant Frequency Calculator
  • Induction Heater Work Coil Calculator
  • Inverter LC Filter Calculator
  • LC Resonance Calculator
  • LED Current Calculator
  • LM317, LM338, LM396 Calculator
  • NAND/NOT Gate RC Values Calculator
  • NOT, NAND Gate Frequency Calculator
  • Notch Filter Calculator Tool
  • Ohm’s Law Calculator
  • Phase Angle Phase Shift Calculator
  • Power Factor (PF) Calculator
  • RC Filter Calculator
  • Reactance Calculator
  • Sine Table Calculator for SPWM Arduino Code
  • Small Signal Transistor(BJT) and Diode Quick Datasheet
  • SMPS Calculator for Toroidal Ferrite Transformers
  • SMPS Flyback Transformer Calculator – Design by Target Duty Cycle
  • TL431 Calculator
  • Op-Amp Hysteresis Resistor Calculator

© 2026 · Swagatam Innovations