• Skip to main content
  • Skip to primary sidebar

Making Easy Circuits

Learn and build electronic circuits

You are here: Home / Archives for Open

How to Build a Automatic PWM Door Open/Close Controller Circuit

Last Updated on February 17, 2018 by Admin Leave a Comment

pwmmotorcontrol

The publish reveals a very simple PWM controlled automatic turnstile or door circuit presenting an automatic open/close action via a photo-interrupter stage. A straightforward PWM based motor control circuit with […]

Filed Under: PWM Tagged With: Automatic, Build, Close, Door, Open, PWM

How to Make a Refrigerator Door Open Alarm Circuit

Last Updated on November 17, 2024 by Admin Leave a Comment

fridgedoropenalarmcircuit

This shown circuit alarm updates you after some time at any time your refrigerator door is left open. This fridge door open alarm circuit turns into easy to carry, simply […]

Filed Under: Security and Alarm Circuit Tagged With: Alarm, Door, Open, Refrigerator

Primary Sidebar

Categories

  • 3 Phase (4)
  • 8051 Microcontroller (1)
  • Arduino (11)
  • Audio and Amplifier (102)
  • Automation (8)
  • Battery Chargers (64)
  • Bicycle Projects (4)
  • Car and Motorcycle Projects (39)
  • Datasheets (10)
  • DIY Projects (5)
  • Electrical (15)
  • Free Energy (6)
  • Games Projects (2)
  • High Voltage (14)
  • Hobby Projects (30)
  • Household Circuits (2)
  • IC 555 Circuits (4)
  • Ignition Circuits (2)
  • Indicators (50)
  • Infrared (6)
  • Inverter Circuits (29)
  • Lights and Lamps (97)
  • Medical (8)
  • Meter and Tester Circuits (38)
  • Motor Driver (17)
  • New Circuits (56)
  • Oscillators (30)
  • Pets and Pests (5)
  • Power supply (81)
  • Protection Circuits (25)
  • PWM (8)
  • Remote Control (20)
  • Security and Alarm Circuit (48)
  • Sensors and Detectors (66)
  • Signal Processor (23)
  • Solar Controller Circuits (61)
  • SSR (3)
  • Temperature Controller (20)
  • Timer (25)
  • Transformerless (7)
  • Transmitters (12)
  • Tutorials (45)
  • UPS (2)
  • Voltage Regulators (57)
  • Water Sensor and Controller (29)
  • Home
  • Privacy Policy
  • Contact
  • Disclaimer
  • Copyright

© 2025 · Making Easy Circuits