Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Board top view. (a) Power circuit. (b) Analog input circuit. (c) Digital signals circuit. (d) Control and communication ESP32 micro-controllers. (e) ESP32 communication intermediary micro-controller. (f) Raspberry PI 4 B. (g) USB/ RS232 converter.
