I have a little problem I need to measure forces greater than 300 kg, and found these sensors http://www.raien.com.ar/manuales/C9B-%20b0140.pdf someone would know how to connect to arduino mega?
You need an differential instrumental amplifier.
Example
Paco
and income the wires according to this chart
and use the same code(analogread) like a potentiometer
http://forum.arduino.cc/index.php?topic=178902.0
or
In the linkt to the TM7709 is an othe rlink that says Module Specification, arduino sketch and AVR sample code
CLick this link to downlaod the sketch that can read the data from the force tranducer to the serial monitor
Paco
you are the best man .thank you
o muchas gracias asi nos entendemos mejor 