build your own imouse fm transmitter circuit

FM Wireless Mike can transmit voice signals to any FM Radio receiver 100 meters away. The circuit is basically a frequency modulated transmitter working at 100 MHz. The frequency of the transmitter can be varied slightly by changing the trimmer...

Coil-Less FM Bug

For months, a simple FM bug project has been sought. Many online projects require inductors that must be either acquired or built, which can be challenging for beginners lacking an LCR meter or oscilloscope. Often, the required inductance is not...

RF Remote Control With HT12E IC

The following circuit illustrates an RF Remote Control Circuit Diagram. This circuit is based on the HT12E IC. Features include the original data in parallel format, where the decoder IC receives the signal through the RF receiver module, utilizing an...

4W FM Transmitters

L2 RFC (resistance 1MΩ with an inductor wrapped around it consisting of several coils made from fine insulated wire. The inductor is connected in parallel with the resistance, forming a parallel L-R circuit.) With capacitors C7 and C8, the resistance...

5 Minute Signal

For the past year and a half, a group based in Ann Arbor, Michigan, named GO-Tech has been formed, uniting individuals interested in creating projects using technology, such as hardware, software, metal, and wood. This initiative is referred to as...

PLL 1 Watt FM transmitter

This small FM transmitter includes a limiter, a microphone amplifier, and a PLL digital tuning. All the parts are placed on one circuit board. The RF power is switchable between 1 W (HI) and 0.2 W (LO). Technical specifications: Supply...

RF Induction Meter

This instrument measures inductances from 0.1 microhenry to 3 millihenries, divided into four ranges set by a switch. It operates from 12 volts and is powered by eight AA type cells attached to the unit. Initially, Drew Diamond's unit in...

1000 m single-tube FM transmitter circuit diagram of oscillation

1000 m single-tube FM transmitter circuit diagram of oscillation. The circuit diagram for a 1000 m single-tube FM transmitter is designed to generate frequency modulation signals suitable for transmission over a distance of approximately 1000 meters. This transmitter employs a...

2 watt fm transmitter

The circuit is essentially a radio frequency (RF) oscillator that operates around 100 MHz. Audio signals captured and amplified by the electret microphone are directed into an audio amplifier stage constructed around the first transistor. The output from the collector...