Fuel tracking through: capacitive level measurement sensor (in the tank) - SAN interface; flow sensor - digital input or RS 232; connection with onboard computer (CAN Bus) - SAN interface; temperature recording, memory - energy-dependent, driver identification (if there is more than one person) through Dallas - RFID reader or iButton cards. Here is a small part of what we have built: special device for opening sensor (sabotage attempt) by an unauthorized person, and recording the time and date of the event! Emergency message when disconnected (or cut) from the antenna! Availability of emergency power - for example, to extract the battery or send an external interference message to the server! Guaranteed operation in the absence of an external power source for up to 24 hours! So intentional damage attempts are minimized!
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