Category Electronics

Circuit design, PCB layout, and electronics fundamentals for embedded projects.

Raspberry Pi AD9850 Sine Wave Generator with GPIO Control

Raspberry Pi and AD9850 sine wave generator feature image with real bench hardware and measured oscilloscope waveforms

Building a Raspberry Pi controlled sine wave generator with AD9850 and AD9851 modules, practical wiring notes, CLI and text user interface control, simulation checks, and scope-verified output.

Free PCB Design Software for Beginners and Hobbyists

A practical comparison of free PCB design tools, with attention to workflow, libraries, manufacturing output, privacy, current free-tier constraints, and the mistakes that usually hurt first boards.

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Raspberry Pi AD9850 Sine Wave Generator with GPIO Control

Free PCB Design Software for Beginners and Hobbyists

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