Starting Electronics Blog

Electronics for Beginners and Beyond

Main menu

Skip to primary content
Skip to secondary content
  • Home
  • Categories
    • 20 Electronics / Arduino Tutorials for Beginners
    • Articles
    • Circuits for Beginners
    • New Products
    • Projects
    • Reviews
    • Software
    • Tutorials
    • Tools
  • Web
    • Starting Electronics Website
    • Patreon
    • YouTube
  • News
  • About
    • About
    • Privacy Policy

Tag Archives: LDR

Tutorial 20: Automatic Light

Posted on August 6, 2012 by Starting Electronics
Reply

In this electronic circuit, when the ambient light level drops below a certain level, the LED switches on automatically.

Automatic Light breadboard circuit

Automatic Light

 

Posted in 20 Electronics / Arduino Tutorials for Beginners | Tagged 741, beginner's electronic tutorial, breadboard, LDR, LED, photoresistor | Leave a reply

Tutorial 11: Light Activated Alarm

Posted on August 3, 2012 by Starting Electronics
13

A light activated alarm is built in this tutorial. When enough light falls on the LDR in this circuit, an alarm tone is played on the loudspeaker.

Light Activated Alarm Circuit Diagram

Light Activated Alarm Circuit Diagram

 

Posted in 20 Electronics / Arduino Tutorials for Beginners | Tagged alarm, beginner's electronic tutorial, breadboard, LDR, loudspeaker, photoresistor, transistor | 13 Replies




Categories

  • 20 Electronics / Arduino Tutorials for Beginners (21)
  • Articles (59)
  • Circuits for Beginners (8)
  • New Products (7)
  • News (12)
  • Projects (18)
  • Reviews (10)
  • Software (23)
  • Tools (3)
  • Tutorials (30)
  • Uncategorized (1)

Archives

Recent Comments

  • Saloni on Can’t Find Arduino Due in Board List of IDE
  • Leong Keen Hun on Wemos SAMD21 M0 Arduino M0 Compatible Board
  • Jay Langley on LM3909 IC 1.5V LED Flasher Circuit
  • Ali on Arduino Web Server Tutorial
  • Moes on Wemos SAMD21 M0 Arduino M0 Compatible Board

Tags

  • 8-bit AVR
  • 555
  • Arduino
  • Arduino Ethernet
  • Arduino Ethernet shield
  • Arduino IDE
  • Arduino Mega 2560
  • Arduino Programming
  • Arduino Project
  • Arduino software
  • Arduino Uno
  • Arduino Webserver
  • ARM
  • ARM7
  • AT91SAM7S
  • AT91SAM7S256
  • Atmel
  • Atmel Studio
  • beginner's electronic tutorial
  • Beginner's soldering
  • Beginner's tools
  • beginners
  • breadboard
  • breadboard circuit
  • circuit
  • Cortex-M3
  • CPLD
  • easy circuit
  • electronics
  • Evaluation board
  • flashing LED
  • LCD
  • LED
  • loudspeaker
  • microcontroller
  • Processing language
  • Programming
  • Raspberry PI
  • Raspbian
  • SD card
  • serial port
  • STM32F100
  • ST Microelectronics
  • transistor
  • Xilinx







© 2012 - 2021, Starting Electronics