I need to know which components are you using exactly. I can write you the Arduino code. If you use SD shield it would be easier storing data in CSV format.
Relevant Skills and Experience
Ardunio, C, Python, Microcontroller, Electronics, Circuits + Working Experience
Proposed Milestones
$35 USD - First Step
$20 USD - After Completion
Additional Services Offered
$0.01 USD - As per requirement after discussion.