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 ...

Treasury Secretary Janet Yellen, in a letter on Friday to congressional leaders, said the Treasury would begin using ...