This 3 and-a-half digit circuit was found in a Teledyne documentation from the 90s. The circuit uses a thermocouple as a sensor. The integrated circuit used is uncommon today.
August 2017 - The PIC32MM microcontrollers of the Microchip 32-Bit Family can be obtained from...
This circuit was found in a 80s American documentation. The zener diodes determine the points of...
This circuit monitors the state of a 12 V battery and can be used directly with one, or even in a...