All Band Radio
This PCB is the main part of all band radio based on SI4735 chip. It can be used different controlling microprocessor boards : Arduino, ESP32,ESP8266,STM32...etc.
It can be controlled by touch screen or buttons. On the board is soldered a rotary encoder with switch, which can be used for some controls.
The projects is based on the works of pe0mgb and PU2CLR.
Here are all reference designs and software libraries.
The board is designed in the way, that additional TPA3116D2 audio amplifier board have to be soldered. It supports stereo FM sound. Two speakers can be used with the board. If the amplifier boar is omitted the audio signal can be taken from an audio jack and applied to external amplifier.
The board can be supplied by 5-12V power source. As higher the supply voltage as higher is the output sound power.
The radio uses a ferrite antenna soldered in point TP1 and TP2. How to design it can be read here.
An external rod antenna can be used for FM and AM receiving. For that purpose two BNC connectors are placed on the board.
All Band Radio
*PCBWay community is a sharing platform. We are not responsible for any design issues and parameter issues (board thickness, surface finish, etc.) you choose.
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