The circuit shown is from the National Semiconductor Linear Applications Handbook of 1994. using ADC0808. The circuit can handle data from up to 4 transducers with an 8-bit output.
August 2016 - It can be obtained from Mouser Electronics Mikromidia of the MikroElektronika...
Needing a higher output current in a voltage doubler, we can connect inverters in parallel, as...
This indicator with the integrated circuits CA3162E and 3161E was published in the July 1990 issue...