Found in a 90's EDN, this circuit controls both the speed and the direction of rotation of a stepper motor. Relays can be replaced by MOSFETs, with circuit adaptations.
Found in an old Raytheon transistor manual, this 4-scale voltmeter has an accuracy that depends on the...
This circuit was obtained from a 2005 Linear Technology application manual. The circuit is...
August 2017 - The PIC32MM microcontrollers of the Microchip 32-Bit Family can be obtained from...