2 Transistor FM Voice Transmitter
Posted on Apr 17, 2012
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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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A high speed oscillator is possible by combining an MECL 10 crystal oscillator with an MECL III...
The dc values of op-amp offsets can`t always be taken for granted when delivering ac outputs. No...
High quality audio amplifier for computer circuit diagram. The electrical circuit of the...
For the past year and a half I (Mark) have been part of an Ann Arbor, Michigan based group named...
This circuit arose from the need of the author to provide a 5 V output from the 24 V battery of a...
Because small, precision high, high sensitivity and definition higher advantage with low price of...
The circuit is based on the theory that insects like mosquito can be repelled by using sound...
All components arranged as in the picture sequence below. Current will flow starting from the...
This circuit controls the switching of the street light or porch light and it will be automated....
This low-cost AM transmitter is tunable from 10 to 15 MHz with the help of ½J gang condenser VC1,...
Now, let`s re-examine the function of the TRIS registers. The TRISA and TRISB registers control...
This document is written in attempt to include everyone interested in serious construction of a...
This circuit is a 555 timer IC connected as a square-wave generator. Its base frequency is...
LM5576MHX absolute maximum ratings: (1)VIN to GND: 76V; (2)BST to GND: 90V; (3)PRE to GND: 76V;...
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