Mains undervoltage overvoltage protection circuit of five
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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The MiniLOGGER provides 8-channel analog input(-99mV to +999mV), 1-channel pulse input, battery...
This unit is an upgrade of the previous phone call interceptor. Instead of using an answering...
The page is about equipping an Atmel AVR microcontroller based system with a Prism WLAN...
A radio camera on a model railway should transmit constantly while the train is moving and...
This is a car alarm simulator which using the LED as a simulation output. This simple circuit can...
As an integral part of an advanced computer science course in microcomputer systems it was...
Neon glow lamps can also be used only for their U/I characteristic and not for producing light....
Using two gates from a CMOS 4011 NAND chip, a simple Squarewave oscillator can br made....
A simple ambit for converting an audio arresting (such as one that comes from the apostle...
This network wiring tester comprises two elements, a transmitter unit, powered and fitted at the...
A Burrough`s B-7971 Nixie Tube clock that I built back in 1979 when I was a senior in High...
Circuit core device is a dimmer SM7232 specific integrated circuits, which leads to the foot of...
Figure 3-118 automatic acceleration control circuit. It uses the male contactor time relay, the...
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