Intermittent start-stop cycle control circuit of seven 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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The primary advantage of this method of bridging is that no additional components are needed...
The oscillator circuit (see Figure 1) involves two unity gain phase shift stages, A1 and A2, in...
This unit is easily tunable and stable, consumes little power, and costs less than other types of...
Diagram below shows a simplified diagram of the main peripherals present in the 89S52 or 8052 /...
This is a continuation of the article An AVR microcontroller based Ethernet device. The hardware...
However effective a domestic alarm system may be, it`s invariably better if it never goes off,...
The circuit described here counts the number of times that an infrared beam is interrupted. It...
A Simple Infrared controlled Switch. It can be operated using the TV remote handset. The Load can...
The circuit is built around a 555 oscillator (IC1) and an LM386 audio amplifier (IC2). The 555...
This little aid was originally designed to test the Shutter Time Meter. This meter was...
AM MC1496 analog multiplier integrated circuit configuration shown in Figure 21-39. Channel...
As shown in FIG grounds TDA6103Q and color picture tube composed of the actual application. R,...
As shown, the OPA277 constitute inverting amplifier, inverting amplifier use high input...
Consisting of two capacitors polarity as shown by ICL7660 and external power conversion. The...
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