Turn ON or OFF electrical devices using remote control is not a new idea and you can find so many different devices doing that very well. For realization of this type of device, you must make a receiver, a transmitter and understand their way of....

A Microchip PIC12C508 8-pin CMOS Microcontroller turns a night light on and off with preset time everyday. Save Energy, No EMI, No Battery, Built-in Lamp Fixture, and Peak Shaving It`s time for 8-pin microcontroller Microchip PIC12C508, the SAVER V3. 2, my....

Using the 555 timer as an oscillator in the high voltage power supply section. Can the design be changed to use an output from the micro-controller to generate an oscillating signal instead of the 555. The first question is that would such a design work If....

The Microcontroller based Water Level Controller cum Motor Protector controls on and off conditions of the motor depending upon the level of water in the over head tank (OHT), It controls water level of tank through micro-controller so that automatically....

The simplest solution for implementing joystick control for a robot would be to program the actions in software in a microcontroller. But, since many readers prefer off-the-shelf parts, this circuit is going to be made with diodes, resistors, transistors,....

Wire the circuit diagram shown here on a bread board. The choice of V type of AVR is important. For example Tiny13V is very appropriate for such an ex....

The provided connections will provide configuration free usage for most Arduino boards. Some Arduino boards, such as the Mega2560, will require custom configuration. This is determined by how the ports on the Atmel AVR microcontroller are mapped to the....

What do you do with an old phone, a microcontroller and lots of time? You hook the old phone`s LCD screen to the computer USB of course...

This PIC16F877 microcontroller tutorial answers the question, "" How to implement a up down counter using PIC16F877 ? "" Using PIC16 simulator (Proteus) you....

The IR circuit can be used to switch devices using TV Remote. Normal circuits can switch only one device. But using this circuit, different devices can be controlled using same remote with different switches. In this circuit, we interfaced 8 devices. These....

Keyboard is a basic and essential element of an embedded or microcontroller system. For small and hobby projects a 4x4 (hex) matrix keyboard is sufficient. The keys in the matrix keyboard are arranged in a matrix arrangement in order to utilize the port pins....

This circuit was industrial to power an AVR microcontroller from a 12 opposed to run-acid battery. The watchdog itself draws solitary 14 µA. Of avenue, at hand are dyed-in-the-wool ICs, in lieu of model from Linear machinery or else Maxim, which can subsist....

This module is HC-06 a slave mode serial bluetooth data link. The chips is made by CSR. In this project, my mobile phone will talk to AT89C2051 via HC-06. All the complication has been put in the cage (in the java library and bluetooth module), so what I....

When you ability accept apparent abounding videos about you tube assuming off crazy LED cubes, basic 3-D structures etc. But haven`t acquisition annihilation that explains how this is actuality done. Well analytic over internet i begin this abundant activity....

EEPROM (Electrically Erasable Programmable Read Only Memory) Is non-volatile memory, meaning it persists after power is removed. The ATmega168 microcontroller has 512 bytes of EEPROM which can be used to store system parameters and small amounts of data.....

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Here`s an another project, which makes an Scrolling LED display. Here 64 leds which are connected to an Matrix display. The Anodes are drived through an Driver IC UDN2981 and the cathodes are drived through ULN2803. The Atmega8515 is used in this project to....

The USB Performance monitor is a PIC18F2550 based device which shows the performance of your computer using two analogue meters and a RGB LED. The design is based around a stock Hi-Fi VU-meter which is controlled using PWM from the PIC18F microcontroller.....

how to build own RIFD, use one Microcontroller we can build it. This schematics is Very Simple..

This can be used to convert a byte sent from a microcontroller to a analog value like say 1. 51 V. At full scale, when all 8 bits are high calibrate to give 2. 55 V then ever bit increment is 0. 01V, 10mV steps. If the eight bits inputs are from a counter....

The actual anti-theft system is equipped with two frequency siren and connected to a vehicles immobilizer system. But in the laboratory simulation model; the change of operating modes, triggering of the siren and cutting off of the fuel supply to the engine....

Hello everyone, I need help to modify this light dimmer circuit which is connected to PIC12C508 microcontroller. This circuit is designed for the....

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The amount 1. is a block diagram for agenda alarm and agenda thermometer. It consists of 1 temperature sensor, RTC, Microcontroller(PIC), about-face annals, 7-segment and key board. The about-face annals use for aggrandize I/O of CPU becuase it has 13 I/O....

If both the reading are high then the diode is short. If both the readings are Low then the diode is open. If any of read pins are low and the second is high then the diode is good. This concept can be easily extended to test a transistor by realizing that a....

Serial communication using UART or USART of a microcontroller 8051 AVR PIC, software implementation of half-duples UART and MAX232 interfacing with microcontrollers 8051 AVR PIC....

The entire control is handled by a Microchip PIC18F46K20-I/PT microcontroller, programmed with a firmware that controls the GSM/GPRS module`s activity, reads the logic condition of the two opto-isolated inputs and sends commands to the two relays in the....

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Making a timer that is used for circuit training or boxing training etc. Here is the cycle I am looking for. This does not need any input, but to reset the timer to the beginning. its a simple project why not making it simpler by using a microcontroller you....

This schematic is provided in the hope that it will be useful, but without any warranty, not even a warranty of merchantability or fitness for a particular purpose. The address bus in this schematic is connected in an unusual way, which is optimized for....

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While discussing an all-linear automatic night light circuit I mentioned that I was testing an MCU-based ANLC. Well, I`ve been tweaking the firmware since. The other day I installed the sensor outdoors and have connected the circuit to control 220VAC loads.....