Exploring Microcontrollers
Posted on Feb 6, 2014
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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 box is a set of nine relaxation oscillators. It blinks random patterns and looks cool. When...
Here is a diagram of the internals of the MAX232A. It shows a double charge pump voltage doubler...
Atmel described a simple programmer based on the AT90S1200 (NOT the AT90S1200A) controller in...
A voltage divider consisting of Rl, R2, and R3 is used to set the input reference voltage below...
In this strobe-light, two circuits are needed; one circuit charges a capacitor placing 320 V de...
This manual will show you how to use each of the components in the kit, and give you software...
Copyright of this circuit belongs to smart kit electronics. In this page we will use this circuit...
This is a ultrasonic motion detector (or movement detector) circuit. The circuit claimed has a...
Readers who do not care to modify the power supply of an old PC into a suitable halogen power...
Tank circuit C2 and L1 is used to tune the transmitter. The antenna is coupled to the transmitter...
The DS2422 temperature/data logger combines the core functions of a fully featured data logger in...
This logic probe can be selected to operate on TTL or CMOS logic levels, depending on switch S1....
The phase shift oscillator of Figure above produces a sinewave output in the audio frequency...
This power supply based 7805 IC regulator, it can provides a regulated output voltage of between...
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