In this post I will show how to construct a car robot which can be controlled using a joystick on 2.4 GHz wireless communication link. The proposed project is not only made as a RC car, but you can add your projects such as surveillance camera etc. on the car. Overview The project is divided […]
Controlled
Password Controlled AC Mains ON/OFF Switch
In this post I will show how to construct a password based mains ON/OFF switch circuit, which can turn ON and OFF the AC mains supply, only when correct password is entered. This prevents the danger of electrocution of the technician who might be currently working with the high voltage lines and equipment. Password Protection […]
Mobile Phone Controlled Robot Car Using DTMF Module
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 […]
7 Watt LED Driver SMPS Circuit – Current Controlled
The presented 7 watt LED driver circuit is an SMPS based non-isolated, transformerless circuit which ensures a safe current controlled output for the attached LED, it is very affordable to build without involving complex transformer winding. Constant Current and Load Regulation Objective The aim behind the design of the IC TPS92310 (from TEXAS INSTRUMENTS) is […]
Timer Controlled Fitness Gym Application Circuit
In this post I have explained how to make a timer circuit for fitness, or gym workout application. The idea was requested by Mr. Jan. Circuit Objectives and Requirements I need a circuit diagram for a timer which is used in a fitness gym. It consists out of 5 x incandescent (5 channels) 220V colored […]
Remote Controlled Solar Lamp Intensity Controller Circuit
In this post I have explained a simple remote controlled solar lamp intensity controller circuit which can be used for controlling the street lamp LED intensity without practically reaching for the LED box. The idea was requested by one of the dedicated members of this website Circuit Objectives and Requirements I have successful build this […]