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Wireless

Automatic Night Activated Wireless Light Circuit for Paintings

Last Updated on January 10, 2024 by Swagatam 12 Comments

single relay 433 MHz remote control switch

In this article I have explained a basic wireless LED light circuit that may be used to autonomously turn on LED lights to illuminate artworks at nighttime.

Filed Under: Automation Projects, Lamps and Lights Tagged With: Activated, Automatic, Light, Night, Paintings, Wireless

Wireless DC Motor Speed Control Circuit

Last Updated on August 30, 2021 by Swagatam 10 Comments

block diagram compressed

In this post I will show how to construct a wireless DC motor speed control circuit which can be controlled using any IR based remote controller. The proposed project has two main objectives; the first one is 5 step sequential speed control of a 12V DC motor using IC 555 (PWM) and controlling the PWM […]

Filed Under: Motor Controller Tagged With: Control, DC, Motor, Speed, Wireless

Anti Spy RF Detector Circuit – Wireless Bug Detector

Last Updated on January 2, 2024 by Swagatam 98 Comments

ACFieldDetector

A anti-spy or bug detector circuit is a device that detects hidden wireless electronic devices such as wireless microphones, spy cameras, Wi-Fi devices, GPS trackers or any gadget that emits some kind of radio frequency (RF). The proposed design can be specifically used as: Overview Also called anti spy RF sniffer, these are usually used […]

Filed Under: Security and Alarm, Sensors and Detectors Tagged With: Anti, Detector, RF, Wireless

Wireless Music Level Indicator Circuit

Last Updated on January 3, 2024 by Swagatam 31 Comments

music light

A wireless music level indicator is an electronic device built for sensing the varying levels of a music signal and convert it into corresponding levels of illumination over an LED array bar. This simple circuit will create dazzling LED light effect by detecting any music frequency in the atmosphere and by illuminating a 10 LED […]

Filed Under: Indicator Circuits Tagged With: Indicator, Level, Music, Wireless

How to Make a Wireless Robotic Arm using Arduino

Last Updated on December 5, 2024 by Swagatam 10 Comments

Robot arm

This robotic arm circuit which can be also implemented like a robotic crane, works using 6 servo motors and can be controlled through a microcontroller remote control, using an Arduino based 2.4 GHz communication link. Main Features When you are building something as sophisticated as a robotic arm, it must look modern and must include many […]

Filed Under: Arduino Projects Tagged With: Arduino, Robotic, Wireless

Ultrasonic Wireless Water Level Indicator – Solar Powered

Last Updated on July 18, 2021 by Swagatam 58 Comments

tank

An ultrasonic water level controller is a device which can detect water levels in a tank without a physical contact and send the data to a distant LED indicator in a wireless GSM mode. In this post I will show how to construct a ultrasonic based solar powered wireless water level indicator using Arduino in […]

Filed Under: Water Controller Tagged With: Indicator, Level, Solar, Ultrasonic, Water, Wireless

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