Mini solar organ (CB20506E)

This circuit was found in an old documentation and can be powered by a solar panel. The touch resistor is a nichrome wire.

QorIQ LS1012A Processor for Low Power Communication (COM102E)
September 2016 - Mouser Electronics is already providing the QorIQ LS1012A from NXP, a processor...
Divide-by-16 Counter - 4520 (CB176)
The normal use of a 4520 as a divide-by-16 counter is shown in Figure bellow. In the normal...
Two-tone solar buzzer (CB20493E)
This circuit was found in a 1991 publication. The transistor can be a general-purpose type....