Power supplies for microcontroller based projects
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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The aim of this design was to reproduce a Combo amplifier of the type very common in the `sixties...
Rl and R2 hold the inverting input at half supply voltage. R4 applies feedback to increase the...
The 5-MHz track and hold shown here has a 400-kHz power bandwidth driving ±10 V. A buffered...
By using light and sound to induce these brain states we are able to gain greater control and...
Diode, D13, provides different timings for the forward sweep, and the retrace which can be faster...
The purpose of this experiment is to discover the properties of a nonlinear circuit which closely...
The circuit diagram of stereo PLL FM transmitter based BH1417 chip. This is certainly the most...
Here is a simple 3 input mic mixer circuit using the popular uA 741 ICs. Four 741s are used here....
On the poles, the plane of the pendulum swing would make one rotation each day. On the equator,...
Battery Eliminators are the circuits, which creating DC power supply from AC Mains. Basically...
From what I understand, an SCR is like a diode that can either be turned on to act like an...
Beware that not all transistors share the same terminal designations, or pinouts, even if they...
As shown for the LM4911 no output capacitor (OCL) power circuit. Without an output capacitor...
As shown in FIG DC millivoltmeter a three and a half digital display, with high accuracy,...
CD4069 unit structure of FIG. 2-5 (a) shown below, it is composed of two abutment surfaces into...
FIG. 555 and R1, C1 and other components monostable delay circuit, the input square wave signal...
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