MIDI circuits
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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This simple circuit mixes two or more channels into one channel (eg. stereo into mono). The...
The NE555 circuit is a basic one-shot timer with a relay connected between the output and ground....
This recorder can be connected to the telephone lines just about any place, and no external power...
The principle of operation of the proposed metal detector circuit is quite basic yet very...
Design a lighting circuit for an indoor garden, and I`m not understanding things that seem like...
Four appearance drive signals for two appearance bipolar and four appearance unipolar footfall...
We can connect a output of pin 5 on the UM3511-IC to drive a transistor output to emit loud sound...
As the only electronics engineer in my family and circle of friends, it is sometimes not possible...
To make a battery operated LED lamp, it may better to use a cluster of low power discrete LED...
The most simply way to collect all this free available energy is to use solar cells. One good...
The Saver V5. 0 runs simple clock emulation program, turns a night light on and off with preset...
The Traffic light controller section consists of 12 Nos. point LEDS are arranged by 4Lanes in...
The design of the charger is similar to that of many commercially available chargers. The charger...
Circuit shown in Figure 3-134. This circuit uses automatic control braking means, it is given in...
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