2 layers44.5 × 44.5 mm

Heathkit Curve Tracer Mods
dewayne57/Heathkit_Curve_Tracer_Mods
Several key modifications to the Heathkit IT-x121 series semiconductor curve tracers (IT-1121 and IT-3121).
14 partsApache-2.0
Open-source boards designed in KiCad by dewayne57 on GitHub, from 2 repositories. A board’s address here is its repository’s there.

dewayne57/Heathkit_Curve_Tracer_Mods
Several key modifications to the Heathkit IT-x121 series semiconductor curve tracers (IT-1121 and IT-3121).

dewayne57/Luminaries
Luminaries (simulated candles) that operate off 12V and have optional CDS photocell control