Netzer Playground
Posted on Feb 7, 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 circuit has a built-in, self-arming feature. The driver turns off the ignition, presses the...
The circuit provides a minimum component intercom. With switch SI in the talk position, the...
Audio from the telephone is inductively coupled to the base of Ql. which is used as a preamp. The...
All the stages involved are actually for enabling a frequency response of 20 to 100kHz, though...
A series capacitor worked best for low impedance loads while a parallel capacitor was used to...
Although a hold feature is standard on most new phones, a lot of us still use the origional bell...
This article explains What is inverter And how can you construct your own simple low cost 12V to...
The schematic for this project flows naturally from left to right. Beginning at the antenna and...
The purpose of this digital electronics project is to record messages using a dedicated voice...
VCO is definitely useful in so many RF projects, wide band Ghz VCO get more concern than VHF/UHF...
Logic pen also known as logic detection probe, it is a common tool in the digital circuit...
B is a pure output CL mode power amplifier. Preamp input portion of the circuit does not use...
Device for intermediate relay. As shown in Figure is the use of Triac AC contactor interface...
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