This circuit can function as an output shield for microcontrollers, being compatible with TTL logic. The frequency is adjusted in the trimpot. TTL power is 5 V.
We found this circuit without bounce in an Elektor from the 90s. The circuit can be used as a...
The circuit shown in the figure consists of a 200mA low voltage drop (LDO) regulator using the...
Hughes suggests this circuit in a 1968 documentation. The circuit uses old transistors that can be...