R-40-16 ultrasonic receiver circuit
Posted on Mar 28, 2007
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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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Eight LED`s are used to indicate the pad currently selected. These LED`s are connected to a...
This circuit is useful in amateur radio VHF and UHF work where a mast-mounted antenna preamp is...
I am not an engineer, just an experimenter and hacker and prototyper etc, so, thanks to people...
An Intergrated ircuit is just that. an intergrated circuit. These small packages combine many...
The circuit is bell timer. This new project uses AT89S52 microcontroller and I2C EEPROM to store...
This LM12 audio amplifier circuit will provide a high output power on a 8 ohms or 4 ohms load...
Here`s a design circuit that is intended for carrying out harmless experiments with high-voltage...
This circuit is even simpler and employs a 6V feed from one of the stator connections on the...
Here the NE555 is wired as an astable multivibrator. When the push button switch S1 is pressed...
A dual-RCX, six motor dog. Slashdot Review. Cindy Salwen pointed out a description of the...
Simple, highly sensitive capacitive ON/OFF switch pads change the state of a latch and turn on an...
An Astable Multivibrator is a switching circuit which switches its output on and off for a...
Shows the use of the MP3 player memory chip ACU7505 clamor circuit, in order to meet total...
Double r circuit consists of three resistors, three capacitors, substantially symmetrical double...
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size type R1 is? Apr 25, 2022