The circuit below was suggested by the Motorola Linear Databook of 1990. The component used is uncommon and the power can be between 7.5 and 12 V.
This circuit was found in a Popular Electronics from the 90s. The frequency is given by R2 and C1....
High performance 16 A Buck regulators capable of operating at 2.7 to 4.8 V voltages and 0.25 to...
This configuration triggers an external circuit or simply an LED for time given by R1 and C1 (T =...