Composite tube transistors stabilized power supply 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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This is a CMOS IC (CD4033) based circuit which can be used to detect presence of mains AC voltage...
This circuit is used to slowly illuminate and fade a pair of red LEDs (light emitting diodes)....
? simple heart-beat transducer can be made from an infrared LED and an infrared phototransistor....
The meter will show volume and tone control balance between left and right stereo amplifiers. For...
An input signal drives both SN74 74 D-type flip-flops, which are positive edge-triggered devices....
A 1-V amplitude pulse triggers SCSl, but has insufficient amplitude to trigger SCS2. A 3-V input...
The circuit, a general-purpose system with many uses, vocalizes 59 allophones contained in the...
Above diagram is a very easy and efficient receiver for actuating garage doors, starter motors,...
A very simple FM transmitter circuit can be designed using MC2833 integrated circuit, designed...
To get the usual BPM range for music of between 40 and 240 BPM, that corresponds to periods of...
This application note describes a Digital Blood Pressure Meter concept which uses an integrated...
I`m afraid the circuit you have there is nowhere near correct. For a start, there is no DC path...
In normal we used to control the industrial equipments by manual operation. Hence it is to be...
The photo depicts a completed (bread-barded) locked anti-phase motor controller using general...
The usual procedure for the production of sustained oscillations in tuned L-C networks is to...
As shown in FIG grounds INA155/156 constituting the input current protection circuit. INA155...
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