A DC motor reverse brake circuit
Posted on Dec 11, 2010
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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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Clean the surface to be glued components to the printed circuit. Use a sheet of very fine...
Assume the correct phase sequence to be VA-VB-VC. The circuit terminals are connected such that...
Using the CA3164A BiMOS control chip consumes less than 15 pA during standby, yet it can provide...
This 5-V circuit utilizes a servo-controlled dc/dc converter to generate the compliance voltage...
The fan runs constantly in many PCs, which may not even be necessary. A simple controller circuit...
When the motor is connected in this fashion, the netduino activates the transistor, but nothing...
The circuit diagram of stereo PLL FM transmitter based BH1417 chip. This is certainly the most...
This simple circuit tests speakers, microphones, transformers and voltage. It`s basically a very...
This radio receiver built on a piece of wood uses only 5 transistors but will receive longwave...
555 in the use of time-based circuit design from the timer circuit, generally will be 555...
As shown in FIG portable hypoxia monitoring circuit. The circuit consists of the oxygen sensor...
Door circuit logic pen text display can take many forms, either by the inverters can also be used...
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