We found this power supply in the 1982 SGS Linear Integrated Circuits manual. The L296 is not common today, but if found it results in an excellent switching source with good stability.
The figure shows how to control the blinking of a 5 V blinking LED with an LDR. The LED only...
Suggested by Maxim in documentation from the 90s, this circuit has its response curve given next to...
This circuit is from a 1965 General Electric publication. It uses a thermistor to fire a reed...