This 5 V power supply for TTL, Shields and microcontrollers is old, and the components can be replaced by modern equivalents. Transistor Q1 can be a TIP31 and Q2 can be a BD135.
This circuit was found in the Linear Technology Applications of 1997. The circuit uses components from...
Monostable action can be an important factor in many projects. Monostable action is understood as the...
This circuit was found in a 1985 English magazine, but it can still be easily assembled, as the...