Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Measuring g with an Arduino micro-controller in a simple free fall
  experiment   A simple way of measuring g in the basic lab with a an Arduino
micro-controller is discussed. Experimental results are obtained and compared
with values provided by the National Observatory, Rio de Janeiro. Our relative
error is 0.1 %.

0
The categories of this paper are: hep-ph
26
The categories of this paper are: bayes-an
20
The categories of this paper are: acc-phys
36
The categories of this paper are: cmp-lg
19
The categories of this paper are: eess
24
The categories of this paper are: dg-ga
37
The categories of this paper are: supr-con
6
The categories of this paper are: astro-ph
29
The categories of this paper are: funct-an
7
The categories of this paper are: hep-th
28
The categories of this paper are: alg-geom
10
The categories of this paper are: q-bio
13
The categories of this paper are: quant-ph
9
The categories of this paper are: nlin
25
The categories of this paper are: patt-sol
2
The categories of this paper are: math