oiler

Project for measuring oil level on pi zero using ultra sound sensors

steps

• use lsusb to identify the vendor and product ids
• put the parameters into the script (or later a configuration file)
• apperently (according to http://www.allnet.de/fileadmin/transfer/products/111901.pdf)
  • the first (from right to left) byte describes the sum of
  • the flollowing two bytes LOW and HIGH hexadecimal representation of the distance measurement
  • the fourth byte is always 0xFF