HardwareHackadayabout 2 hours ago
Building a Discrete Component 75 Baud Modem
2 min read
A discrete component 75 baud modem was built for the CB2 Micro, using BC547 transistors, diodes, resistors, and capacitors. The modem modulates data into audio for telephone lines, ham radio, or cassette tape storage, leveraging V1.54 firmware's 75 baud serial support.
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