Arduino Make your own hardware
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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Simple circuitry suitable for moving-magnet cartridges Passive high-frequency equalization. This...
Its frequency depends on the capacitance of the vary cap diode. The center frequency is changed...
The NE555 is connected in the astable mode and uses only three timing components (RA, RB, and...
This manual will show you how to use each of the components in the kit, and give you software...
The crime prevention bell device that I produced about 20 years ago works still in the active...
A circuit breaker is an automatically-operated electrical switch designed to protect an...
Remote tester circuit also resembles the logic of a dark sensor (using BC557) . LDR has been...
This circuit is a simple 8-bit analogue to digital converter circuit which is connects to PC...
The simplest solution for implementing joystick control for a robot would be to program the...
It can change the frequency range, and the oscillating signal is adjusted by potentiometer RP1....
A MAX620 connected to form a complete stepper-motor drive. TTL/CMOS signals from the logic...
Ultrasonic Cleaning the main role in the use of ultrasonic cavitation. Role in the sound field,...
Circuit shown in Figure 3-78. The time line also use two relays to achieve automatic control,...
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