This analog volt-ammeter was found in an Electronics World of 1968. It makes use of a 0-1 mA analog milliammeter. Accuracy depends on the components.
This circuit, which can be used safely, has been obtained in a 1987 documentation. It consists of a...
We found this circuit in Electronics Now magazine from December 1995. Any operational amplifier can be...
PIC16F19197 Microcontroller Family Combines Battery-Friendly LCD Drive with Core Independent...