RF Circuits Projects
One Channel RF Remote Relay Switch
The project described here is one Channel RF remote receiver Relay board.
8 Channel RF Remote Receiver with Holtek and Serial Protocol
The project described here is 8 Channel RF Remote Receiver (Decoder).
8 Channel RF Remote Transmitter with Holtek and Serial Protocol
The project described here is an 8 Channel RF remote transmitter This transmitter is built using LICAL-EDC-DS001 chip from LINX.
4-Channel Remote Receiver Using NRF24L01 Radio Module – Arduino Compatible
Controlling 4 devices using an RF remote is very easy with this project.
315Mhz RF Remote Transmitter – Arduino Compatible
This is a two-channel RF Transmitter unit that consists of, Atmega328 microcontroller, 2 Tactile switches with pull-down resistors, a programming port, and a 315Mhz RF transmitter module.
315Mhz RF Remote Receiver with On Board Relay – Arduino Compatible
This is one channel RF Receiver with an onboard Relay.
4 Channel 315Mhz RF Remote Transmitter – Arduino Compatible
This is a 4 channel RF Transmitter unit that consists of an Atmega328 microcontroller, 4 x tactile switches with pull-down resistors, programming port, and 315Mhz RF transmitter module.
4×1 WiFi Wireless Antenna Switch
I started playing with electronics back when I was 10 years old in Argentina, where I grew up.
Colpitts Crystal Oscillator
This project is a Colpitts Crystal Oscillator Description Firstly, I suggest you to read the article in ARRL Handbook 2015, Chapter 9 – Oscillator Circuits and construction.
MAX2606 – Hands-Free Car Kit for Cell Phones
This project is car hands free that retransmits the audio signal from a cell phone to the FM broadcast band.
FM VCO Transmitter
This is a VCO FM Transmitter with range 500m – 4km depending on antenna used.
FM Transmitter using MAX4467 & MAX2606
his is a small circuit with two maxim’s ic, MAX4467 as microphone amplifier and MAX406 as VCO FM transmitter.