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Ultrasonic Hand Sanitizer Circuit

Last Updated on October 4, 2020 by Swagatam 3 Comments

HC SR04 Ultrasonic Sensor

The ultrasonic hand sanitizer circuit detects the presence of human hand through reflected ultrasonic waves, and triggers a relay solenoid pump momentarily for dispensing the sanitizing liquid on the hands of the user. The project uses the popular HC-SR04 ultrasonic sensor module for the required sensing function. Using HC-SR04 The HC-SR04 ultrasonic sensor module is […]

Filed Under: Health related Projects Tagged With: Hand, Sanitizer, Ultrasonic

Best Electronic Circuit Projects

arduino projects

Whether a newbie or a professional, if you are looking for the best electronic circuit projects, as per your specific needs, you have reached the right destination. Here, I will not only provide you with your favorite circuit projects, but also provide an active online support for solving all your queries and doubts related to […]

Remote Control Infrared Tester Circuit

Last Updated on January 2, 2024 by Swagatam 30 Comments

remote etster circuit

We all use remote control handsets for controlling various household devices such as TV, AC, Music systems, curtains etc, and sometimes we seem to have problems with these devices, or even a newly purchased remote controller unit occasionally seem to malfunction, and identifying the issue becomes quite difficult for us. This simple 2 transistor infrared […]

Filed Under: Meters and Testers Tagged With: Control, Infrared, Remote, Tester

L298N DC Motor Driver Module Explained

Last Updated on December 5, 2024 by Swagatam 9 Comments

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In this post I have explained about L298N dual H-bridge DC motor driver module which can be used to drive brushed DC motors and stepper motors with microcontrollers and ICs. Overview Modular circuit boards are best time savior for electronics designers which also reduce the prototyping errors. This is mostly preferred by programmers who write […]

Filed Under: Arduino Projects, Motor Controller Tagged With: DC, Driver, Explained, L298N, Module, Motor

Introduction to RGB Colour sensor TCS3200

Last Updated on December 5, 2024 by Swagatam 4 Comments

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TCS3200 is a color light-to-frequency converter chip which can be programmed through a microcontroller. The module can be used for detecting all the 7 colors of white light with the aid of an integrated microcontroller such as Arduino. In this post we are going to take a look at RGB color sensor TCS3200, we will […]

Filed Under: Arduino Projects Tagged With: Colour, Introduction, RGB, Sensor, TCS3200

Mobile Phone Controlled Robot Car Using DTMF Module

Last Updated on December 5, 2024 by Swagatam 3 Comments

L298N

In this project we are going to control a manual robot through our cellphone using DTMF module and Arduino. By: Ankit Negi, Kanishk Godiyal and Navneet Singh sajwan INTRODUCTION In this project two cell phones, one for calling and one for receiving the call are used. The phone receiving the call is connected to the robot […]

Filed Under: Arduino Projects Tagged With: Controlled, DTMF, Mobile, Module, Phone, Robot

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