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Ham radio for brain transplantation

Posted on November 28, 2021November 28, 2021 by William

Old radios don’t have much intelligence. However, as digital synthesis becomes more and more common, there are often as many digital electronic devices in radio as RF circuits. The problem is that digital electronic technology is getting better year by year, so one year looks like something high-tech, and the next year looks strange. [imsai guy] had an ICOM ic-245 and decided to replace the digital electronic equipment in it with Arduino (among others).
He spent a lot of time in the first part of the video. You can see below to explain what the design needs to do. Arduino nano is very suitable. He uses some additional components to obtain shift registers, 0-1v digital to analog converters and OLED display interfaces.
Unless you have this accurate radio, you may not be able to directly apply this project. Nevertheless, when they design such things, it’s good to look back, especially when they explain their reasoning.
Of course, the PCB must be exactly the same size as the circuit board it replaces, including mounting holes and interface connectors. It seems that he did it right the first time. It’s not easy. Is it useful? We don’t know the end of the first video. You have to watch the next (also below) he actually fills the PCB and tests everything.

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