pins available on the WROOM 32
Posted: Wed Apr 04, 2018 12:07 am
Ok, didn't find a handy list anywhere so made my own:
GPIO
0*
1
2*
3
4*
5*
6-11 are used by SPI flash exclusively
12*
13
14
15*
16
17
18
19
20 is not there
21
22
23
24 is not there
25
26
27
28-31 is not there
32
33
total GPIO: 22 pins
GPI (input only)
34
35
36
37 not on WROOM
38 not on WROOM
39
Total: GPI 4
Total of both GPI and GPIO: 26 pins
* = strapping pins. Only available as GPIO after boot.
GPIO
0*
1
2*
3
4*
5*
6-11 are used by SPI flash exclusively
12*
13
14
15*
16
17
18
19
20 is not there
21
22
23
24 is not there
25
26
27
28-31 is not there
32
33
total GPIO: 22 pins
GPI (input only)
34
35
36
37 not on WROOM
38 not on WROOM
39
Total: GPI 4
Total of both GPI and GPIO: 26 pins
* = strapping pins. Only available as GPIO after boot.