i have grovepi+ , rpi2 and a non invasive current sensor.
i have use the exampel code in /GrovePi/Software/C/grovepi_analog_read.c
it works good but i measure a alternating current so i get a lot of zeros.
what i need help with is to get like highest value for each second.
my c programming skills ist the best but its a lot better reading code.
btw dose anyone know how i do if i want it to read from the a1 port?