Make Electronics

Experiment 35: Checking the Real World

308 Chapter 5

This table shows measurements made with PICAXE 08M controller.

Resistance (in ohms)

between the ADC

pin and the negative

supply

Equivalent digital

value

2000 255

1900 243

1800 230

1700 218

1600 205

1500 192

1400 179

1300 166

1200 154

1100 141

1000 128

900 115

800 102

700 90

600 77

500 64

400 51

300 38

200 26

100 13

0 0

Now we can modify the program to make it do something with the informa-

tion that it’s taking in:

main:

readadc 2,b0

let w1 = 5 * b0

high 1

pause w1

low 1

pause w1

goto main