Hackaday Prize 2023: PAROL6 – A GPL Desktop Robotic Arm

Parol 6 is a 3D-printed six-axis robot arm created by [Petar Crnjak] as a combination of the principles from a few previous projects. Aside from a pneumatic gripper, each axis is driven by a steppe…

DIY STM32 Scope Is Simple, Cheap, And Featureful

Would you like to have a small digital oscilloscope? Do you have a spare BlackPill (STM32F401) board and a TFT display laying around? [tvvlad1234] presents us with a simple and educational digital …

DIY USB Microphone Seems Overkill; Is Surprisingly In-Depth

Those of us who have been working from home through video calls for the past year can attest to the rising demand for conferencing gear such as webcams and microphones. Not wanting to spring for a …