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This project builds a 3D laser scanner on a stepper-driven turntable: a red laser line module projects a stripe onto the rota...
This project builds a soft pneumatic gripper: two silicone bellows fingers on a 3D-printed palm curl inward when inflated by...
This project builds an op-amp trainer kit: a socketed TL072 (LM741-compatible) on a trainer PCB with a mode-select switch for...
This project builds a working audio power amplifier around the TDA2030 IC: a single 12 V supply, a volume-control potentiomet...
This project builds a constant-current electronic load: an IRF540 power MOSFET on a large finned heatsink acts as a programma...
This project builds an IC tester for 74-series logic around an Arduino Mega: the chip under test plugs into a ZIF socket, the...
This project builds a digital frequency counter around an Arduino Uno: incoming signals are squared up by an LM358-based cond...
This project builds a handheld sound level meter around a MEMS microphone: an IMP34DT05 PDM mic breakout feeds an Arduino tha...
This project demonstrates an electronic nose: an array of four MQ-series gas sensors inside a sealed acrylic chamber is read...
