The Programmable-Air is a hardware toolkit that allows you to inflate and deflate objects, combinig everything you need for simple air power experimentation into one package. It is available to purchase via the Crowd Supply website with kits available from $150. Since the project is open source hardware, you’ll find the EAGLE schematics and PCB…
Max Williams has just shared on Hackster.io schematics, PCB layouts, CircuitPython code via GitHub, BoMs, measurements and photos about his new open source modular HiFi amplifier. It uses an Adafruit ItsyBitsy M0 Express running CircuitPython to make great music. The preamplifier is made up of a number of connected components: MDAC attenuator (PCB, code): Controls the volume Input selector (PCB, code):…
Developer Cary Wang has created a new low-cost fully featured Vector Network Analyzer that is both easy-to-use and allows S parameter export. The xaVNA two port Vector Network Analyzer offers users a typical frequency range of 137MHz to 3.5GHz, and a guaranteed frequency range of 140MHz to 2.5GHz. It has been designed to plug directly into…
If you’re thinking of getting into DIY synths, the mini-TS could be your ticket in. Built by Janostman, the mini-TS pushes the limits of completely stripped back sound synthesis. The adorable synth shares the same basic sound-generation firmware with his previous TinyTS, but features a lot more keys (2 octaves), an OLED, and MIDI in/out, while…
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