jyetech scope - front panel too small Jyetech scope - improved back plate jyetech scope - fully assembled Jyetech scope - improving the back plate Jyetech scope - improved back plate Hameg HMO2022 test measurement Hameg HMO2022 Screenshot Makeshift workbench Game Gear sound wave What's wrong? Buck regulator - switching noise Regulator test: 1.06V @ 150mA Regulator test: noise at 150mA Tektronix 314 - still alive Regulator test: 1.06V - no load Tektronix 314 jyetech scope jyetech scope - all finished: back side jyetech scope jyetech scope jyetech scope - fully assembled after milling jyetech scope jyetech scope - LCD assembled jyetech scope - all finished: back side jyetech scope - all done: front side jyetech scope - LCD This crocodile even hase eyes! jyetech scope - 7805 regulator test jyetech scope - 7805 regulator test jyetech scope - only back side done jyetech scope - probe assembly 7/7 jyetech scope - probe assembly 4/7 jyetech scope - probe assembly 3/7 jyetech scope - "empty" board jyetech scope - probe assembly 2/7 jyetech scope - probe assembly 5/7 jyetech scope - SMD parts done jyetech scope - empty backside jyetech scope - probe assembly 6/7 jyetech scope - probe assembly 1/7 jyetech scope - SMD parts jyetech scope - other parts Test jig for DSOs Test jig for DSOs More details Some signal Knock sensor waveforms Knock sensor waveforms Tektronix 314 - back cover removed Logic vs. transistor driver Logic vs. transistor driver Logic vs. transistor driver Logic vs. transistor driver Ice Tube clock - boost conv. ripple Tektronix 314 - floating power supply Arduino speed measurement - 2µs/div Tektronix 314: Arduino speed measurement - 0.1µs/d… Jyetech - Arduino speed measurement Tektronix 314 Finally fixed My improved ground clip vs. the standard one Probe hook and GND stuff Usual probe hook Lecroy probe alligator clip Lecroy probe ground clip cable New clip bad current regulation bad current regulation Some shrinking tube bad current regulation bad current regulation bad current regulation bad current regulation I call this a bug! Creating a DSO trigger test jig Creating a DSO trigger test jig Triggering on a certain slope Creating a DSO trigger test jig