The Joy-it Explorer Set Raspberry Pi Pico RB-P-XPLR has a color display in addition to buttons and other components. With the circuits I developed on a small circuit board, a simple characteristic ...

This Pre-Amplifier circuit is a minimalistic design, a.o. inspired by valve design, which should help sound clarity. The circuit counts 5 transistors, has 0.1% distortion (expected from 60dB loop gain ...

A DIY The Wrench maker has built a smart desk dustbin with an automatic iris-style lid, adding both functionality and a unique touch to a… ...