Bargrapk car voltmeter
Posted on Mar 4, 2013
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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 inverter circuit can provide up to 800mA of 12V power from a 6V supply. For example, you...
Because the transconductance of an operational transconductance amplifier is directly...
The module provide a pre wired multiplex of 4-digit common anode LED, that`s great. See the...
Decided to quench my curiosity and see if a PICAXE-18X chip running at 4Mhz. was capable of this...
This is not very critical and any other device (such as tape player with message recorded on an...
Telephones are reaching its death point all over the world. however there is more than 350...
The following circuit shows a RF Remote Control Circuit Diagram. This circuit based on the HT12E...
The AD654 is a monolithic V/F converter consisting of an input Amplifier a precision Oscillator...
The LM4550 is an Audio CODEC for PC systems which is fully PC99 compliant and performs the Analog...
The Saver V5. 0 runs simple clock emulation program, turns a night light on and off with preset...
It doesn`t break if being little even if it crosses the value of the input/output electric...
The metal detector circuit is composed of the power circuit, sine wave oscillator, PLL...
The ammeter measures electric current. It may be calibrated in amperes, milliamperes, or...
A field strength meter is a very handy tool for locating a transmitter. A sensitive field...
This is a universal version of the Four-Digit Alarm Keypad. I`ve modified the design of the...
As shown in the circuit with 24 300 in Europe, a 0.5W resistor in parallel as a heating element...
CD4017B input signal is applied where CP triggering end, I lost A ~ 3HCD4017B pulse signal is...
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