Infrared remote control relay circuit b
Posted on Mar 28, 2007
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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.....
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This circuit, connected to 32 Ohm impedance mini-earphones, can detect very remote sounds. Useful...
This circuit will detect AC line currents of about 250 mA or more without making any electrical...
The first stage is a simple buffer used to isolate the signal source from the attenuator stages...
By using an RC oscillator and a programmable divider, this counter can run for hours. An...
I bought a solar powered garden light. The solar panel charges the batteries and when it gets...
For a hobby project I have bread boarded, I am considering using a pair detectors that operate as...
The purpose of this lab is to implement a decimal counter which counts from 0 to 99. You will...
Here is a simple water level buzzer circuit which can be used to detect or sense the level of...
Here is a very simple triac tester circuit which can be used for testing of SCRs as well as...
Listen and share your music wherever you go With the mini speaker system project, you can listen...
There are many applications where the accuracy of a digital or analogue (bar graph) is not...
A densitometer is one of the most valuable tools a darkroom enthusiast can employ. Up until...
The driver stage works in the same manner as the class A output stage described previously....
In order to ensure that the transistor in the circuit to work properly, it is often the reverse...
As shown by L296 chip high current switching power supply chip composed of 5 ~ 15V, 4A power...
As shown for the long timing circuitry simple. Press the switch AN start timing, tone PR can...
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