Remote Control Circuits
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The following post illustrates a simple light toggled/operated remote control circuit, which can be activated by an ordinary flashlight or more effectively through a laser beam unit (key chain type). The LDR is connected across the base of thetransistor and.... -
Remote control using VHF modules. A few designs for remote control switches, using VG40T and VG40R remote control pair, are shown here. The miniature transmitter module shown in Fig. 1, which... -
Infrared Remote Control for operates on 115 volts AC. This circuit will allow you to turn on any piece of equipment that operates on 115 volts ac. The receiver circuit is based on the Radio Shack infrared... -
An Infra Red wired Repeater circuit to control appliances from a remote location. Parts List: R1: 1k Resistor (1) R2: 3.3k Resistor (1) R3: 10k... -
This Mark3 version of the Infra Red extender is a special version designed to control appliances that use high frequency modulated IR remote... -
The latest addition to my collection of Infra Red (IR) Repeater circuits. The Mark 5 is a much improved version of the Mark 1 circuit and has increased range... -
This is an improved IR remote control extender circuit. It has high noise immunity, is resistant to ambient and reflected light and has an increased range from... -
Here is a teleremote circuit which enables switching on` and off` of appliances through telephone lines. It can be used to switch appliances from any distance, overcoming the limited range of infrared and radio remote controls. The circuit described here can.... -
Radio Remote Control using DTMF. Here is a circuit of a remote control unit which makes use of the radio frequency signals to control various electrical appliances. This remote control unit has... -
Remote control circuit consists of two parts, one is transmitter and the other is receiver. A simple diagram is schematic remote control. The transmitter circuit`s transmitter IC is controlled by NE555. Receiver circuit works by the signal emitted frequency.... -
This circuit confuses the infra-red receiver in a TV. It produces a constant signal that interferes with the signal from a remote control and prevents the TV detecting a channel-change or any other command. This allows you to watch your own program without.... -
How many times you needed some remote control to handle some electric device many times. There are lot of remote controls like infrared, RF, SMS (like my other circuit) and more. The basic small-range remote controls are 2, Infrared and RF (Radio Frequency)..... -
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SO HERE YOU CAN SEE THAT USING ENCODER 4-BIT DATA ISGENERATED AND THIS DATA WILL MODULATED USING RFMODULATE AND TRANSMITTED. ANOTHER SIDE RECEIVER RECEIVES SIGNAL AND DEMODULATE THAN DECODER DECODES THE SIGNAL AND 4-BIT DATA ISAVAILABLE. HERE IS THE PIN.... -
IperCODE is a didactic project, with which it is possible to build a remote control acquisition system, based on the rolling code and to have the possibility to transmit the received code on RS232 serial port, to visualize it on the 16X2 display or to.... -
Making your own universal remote control systems today is very easy. Such procure the relevant chips, assemble them and here goes, your hi-tech remote control device is working for you. Here we explain a couple remote control chips especially designed for.... -
The market may be full of these hi-end remote controlled toy cars, but for a hobbyists making one at home can be entirely a different experience. The article belowexplainshow to configure a simple remote controlled toy car using a ready made 4-relay remote.... -
This system is used to distribute IR commands around your house. This is useful if you have A/V equipment in one room that you want control from several other rooms. This project uses one Microchip PIC 16F877 to do all the work. The firmware is written in.... -
This system is a control system based on one-chip computer, control the system light in remote-operated way. This scheme mainly solves transmission and receiving of the signal, the program manipulation to different signals after the the signal one is dealt.... -
A steady, flexible, convenient traffic light control system to have necessity and realizability. But a lot of traffic lights are switched over according to a time interval in actual life. And the traffic lights can be according to changing the switching time.... -
The electric fan of remote control is to do a large amount of research and development and production in Pearl River Delta area of Guangdong in initial stage of the 1990s, and there is specialized mask chip that serves as top management chip, I have done the.... -
This article is about a simple 5 channel radio remote control circuit based on ICs TX-2B and RX-2B from Silan Semiconductors. TX-2B / RX-2B is a remote encoder decoder pair that can be used for remote control applications. TX-2B / RX-2B has five channels,.... -
Here we make use of DTMF (dual-tone multi frequency) signals (used in telephones to dial the digits) as the control codes. The DTMF tones are used for frequency modulation of the carrier. At the receiver unit, these frequency modulated signals are.... -
This wireless remote control switch production is relatively simple. All components parameters we are testing is complete. Reader component parameters we provide installation can be completed in the production of the first resistive and capacitive components.... -
This project based on Atmel AT89C52 and Dallas real-timeclock (RTC) chip DS12887 can be used to control and remotely program the switching operation of 24 electrically operated devices. The devices can be switched on/off at precise times repeatedly every.... -
A cheaper way to build or buy something with similar functionality It doesn`t necessarily even need to be remote controlled if it could be programmed to go off at certain times... -
Clap operated Remote Control for Fans in this website is used control ten-step speed of fan circuit diagram and description of Clap operated Remote Control for Fans... -
infrared remote controlled switch is second remote controlled project in this website using 555 ic circuit diagram with description of remote controlled switch... -
4 Channel 433MHz Wireless RF Remote Control Kit 200m. RF remote control provides long range of up to 200m / 650ft and can find many uses for controlling different devices.... -
An infrared remote control car, the AT89S51 microcontroller as the core controller, DC motor with L289 drivers work to control the operation of car in this section with infrared remote control manual car driving, autopilot, tracing forward and other.... -
A detailed DIY remote controlled AC Fan regulator with 10 stage speed control. Made with ATmega8, full source code and PCB Layout....
New Circuits
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This project fits more for custom made battery casing that can have more space to hide things inside. This switch with few alterations can be used for any other project as well but is designed based on e-bike needs! This project use a clever functionality of.... -
The circuit described here uses ultrasonic oscillations and operates based on the propagation velocity of these oscillations in the air. Thus, we can easily determine the distance of two points if the time within which the wave travels this distance is.... -
Sometimes the precious metals are hidden too deep and are not detected except with complicated devices. In many cases, however, small pieces of precious metal buried near the surface can be detected by relatively simple means. Everyone is very attractive to.... -
Many times for various reasons we forget or can not water the plants that we have in our homes. And many humidity sensors units just notify us with a beeping sound or with a flashing light, that the pot needs watering. But what if we are away from home? This.... -
The principle behind a metal detector is really very simple. Proof of this is the circuit that follows, in which it proves that the construction of a metal detector can be done in the minute, with few components that we find very easily everywhere. With the.... -
The sub-harmonic bass generator is a sound producing unit for guitars. The sound it produces looks very much like that of the bass guitar. The octave generator is sometimes quite unusual since it does not produce any of the usual ways of coloring the sound,.... -
In the past the sounding (sea bottom measurement) was done with the "bullet", that is, with a heavy lead object that the seamen plucked into the sea hung from a calibrated rope. As soon as the "bullet" reached the bottom, the depth appeared directly from the.... -
This Amplifier was designed to have the following specifications: Distortion less than 0.1% at full power of 100W even at 20KHz. Power has to be attributed to an extended bandwidth. The output transistors must be protected against short circuits. The power.... -
A series of LEDs serve to alert the gardener when plants need water. Using two conventional digital integrated LEDs and a series of LEDs, we make a very useful device for gardening. The device detects the amount of water in the pot and alerts the grower.....
Popular Circuits
This circuit has proved very useful in keeping away from a terrace or a porch some bats and other...
Care must be taken to eliminate any stray currents from flowing into the current summing node....
In the circuit shown, a CMOS op amp controls the current through a p-channel HEXFET power...
This circuit uses a CA5422 dual BiMOS microprocessor op amp. The bootstrap amplifiers minimize...
The datapath contains registers, an ALU, and an internal system bus. Registers are very fast...
The circuit uses LM35 as its temperature sensor, and displays the temperature (0-99 Celsius)...
The overall block diagram of the system. Audio comes in at the left, and is summed, differenced,...
Circuit works: When you clapping sound through the piezoelectric ceramic HTD people seized...
As shown in FIG wind speed programmable circuit. The circuit consists of step-down rectifier...
Circuit diagram used CA3140 op amp and diode array, produces a low distortion sine wave. Table...