Raspberry Pi Hat that adds RS485 communication to Raspberry Pi 5 for interfacting with USB and Bluetooth HID Devices
Custom STM32-based USB audio interface for a dynamic XLR microphone, featuring low-noise analog front-end design, audio ADC, USB Audio Class, and real-time DSP.
Affordable 2 GHz 3.2 GS/s 12 bit open-source open-hardware expandable USB real-time oscilloscope
drandyhaas
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