Then knowing he needed 4 mA to power each LED for backlighting he used some 1978 vintage current limiting diodes designed to pass 2mA each regardless of voltage source, within limits of course.

Honestly, nothing — until you start looking at its thermally compensated current limiting circuit. This one is by [DiodeGoneWild], who you’ve really got to hand it to in terms of both the ...

The IRS released its updated contribution limits and adjustments to eligibility thresholds for 401(k) plans, IRAs and other ...