Diodes Inc. has expanded its automotive-compliant LED driver portfolio, adding the AL8891Q synchronous buck LED driver with high-side current sense that drives up to 2 A from a wide 4.5-V to 65-V ...
The simple Diode and LED Tester presented here costs under £5 to build (including all components, the battery and a cheap case) and will indicate the polarity of almost all types of LED and other ...