The diagram shows a simple way to adjust a 7805 to have output voltages up to 12 V. The circuit is from a Radio Electronics from March 1990. The 7805 must be equipped with a radiator.

The diagram shows a simple way to adjust a 7805 to have output voltages up to 12 V. The circuit is from a Radio Electronics from March 1990. The 7805 must be equipped with a radiator.