High Voltage Circuits
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High voltage switching stabilized voltage supply circuit is shown in the diagram. It is the switching power supply of 80P type color TV. It adopts auto-excitation, PWM circuit. Its output is isolated with power system. This power supply has 110V and 18V DC.... -
Pyroelectric infrared sensor head is same with the figure. When it detects the human body infrared signal in guarding zone, the sensor head will output a positive jump pulse signal, this signal is added to input terminal P point. IC1 adopts 555 time base.... -
This high voltage generator can generate stable high voltage above 8kV. Its circuit is simple. It is stable and reliable. This circuit includes step-down rectifier, voltage regulator circuit, 18kHz multivibrator type oscillator and booster transformer, etc..... -
This is a simple high voltage inverter circuit. It is uses NPN transistor type 2N3055. This circuit used to invert low voltage to high voltage. Besides that,.... -
The circuit shown in the schematic diagram below is an isolated dc-to-dc step up converter. Being isolated means that there is no electrical connection between.... -
The design is based on the TubeHobby and is the power supply used in their NC2. I built this very kit as my first nixie tube project, and you can find a review of this excellent kit in the reviews section of my blog. The circuit is a switch-mode power supply.... -
The high voltage electrolytic capacitors in valve equipment tend to deteriorate if the equipment is not used for an extended period. This deterioration takes the form of reduced capacitance and greatly increased leakage current. In some cases, the capacitor.... -
High Voltage Stun Gun Disclaimer: As i have seen before, IT IS NOT A TOY, DON`T DO ANYTHING STUPID WITH IT. I DON`T ACCEPT ANY RESPONSIBILITY OF DAMAGES DONE TO OTHER PEOPLE OR YOURSELF WITH THIS DEVICE. IF YOU WANT TO BUILD IT YOU MUST ACC....
New Circuits
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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.....
High Quality unit with LM833 or NE5532 Low noise Dual Op-amp. No need for a preamplifier. # Can...
A circuit that tailors the low end of particular items such as the bass drum and bass guitar to...
This simple circuit is a gain-of-1000 inverting amplifier. It will amplify submillivolt signals...
The circuit is designed to drive an external load. A fault condition in the external load...
The discussed automatic change over relay circuit was requested by Mr. Karimulla Baig. The...
Although my circuit allows for different combinations of input voltages (Vin) and output voltages...
For household or industrial application purpose, we are bound to use fixed ac voltage input. If...
This unit employs a dual trace oscilloscope with X-Y function as a display to test and...
The resistor in series with the LED in Collector circuit of transistor T1 must be 470 ohm, not...
The tuned coil L1, has two output tapping for the antenna connection, marked "A" and "B". These...
The system consists of two parts: the Arduino board that detects the led pulses and sends the...
The printed circuit board, has a pin strips (10 pin x 2) used to connect with the circuit board...
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The inductive sensor is a simple enough device at the fundamental level. It is simply a coil of...
This is a very simple circuit where the PIC and an internal 1kHz sinewave table do all the hard...
This circuit will detect AC line currents of about 250mA or more without making any electrical...
220V AC by the step-down transformer T, a diode VDI-VD4 bridge rectifier and filter capacitor CI,...