RC Radio
DTMF Remote Control (RC) Radio Circuit
Here is a remote control (RC) radio unit circuit which makes use of the radio frequency signals to control various electrical appliances. This remote control unit has 4 channels which can be easily extended to 12. This RC circuit differs from similar circuits in view of its simplicity and a totally different concept of generating the control signals. Read more…
Categories: RF Circuit Tags: dtmf rc radio, rc radio, rc radio circuit, rc radio receiver, rc radio schematic, rc radio transmitter, rc transmitter, remote control radio, remote control transmitter
Wireless audio Transmitter
Wireless FM Audio Transmitter Circuit
Here’s is a simple wireless audio transmitter for rebroadcast audio of fm radio or any others audio source. The transmitter circuit consists of a frequency modulated oscillator, an audio preamplifier with pre emphasis to supply the frequency modulating signal, and a buffer amplifier to drive the antenna connector. Read more…
Categories: RF Circuit Tags: audio fm transmitter, audio sender, audio transmitter, fm sender, fm transmitter, transmitter circuit, wireless audio transmitter, wireless fm transmitter, wireless transmitter
Audio Video Circuit Board
UHF Wireless Audio Video Sender Circuit
This wireless circuit provides you with wireless audio and visual transmission to a TV. The TV acts as a receiver, eliminating the need to buy a separate monitor. You can also hook it up to a VCR or CCD Camera, and even set up a remote CCTV security system! Read more…
