This is the transmitter for a remote-control system published in the August 1986 issue of Radio Electronics magazine. The circuit uses two 555 CMOS transistors to drive two series LEDs.
This circuit is from an American publication from the 1960s. The circuit monitors modulated...
The circuit shown in the figure can be used as an indicator of presence and high voltage in a...
Maxim Integrated's MAX17682 integrated circuit is available at Mouser Electronics, a...