This circuit is from an old Mullard (Philips) manual with applications using the 555. Choosing appropriately the resistors and the timing capacitors, the ranges obtained can exceed days.
A touch in this circuit turns-on the lamp or the relay. Power supply is according the lamp or...
This circuit is of an old Argentine magazine of the 70's. The difficulty for its assembly is in...
An advanced motor control software plug-in for Microchip’s MPLAB® X Integrated Development...