$ pinout
.-------------------------.
| oooooooooooooooooooo J8 |
| 1ooooooooooooooooooo |c
---+ +---+ PiZero W|s
sd| |SoC| V1.1 |i
---+|hdmi| +---+ usb pwr |
`---| |--------| |-| |-'
Revision : 9000c1
SoC : BCM2835
RAM : 512MB
Storage : MicroSD
USB ports : 1 (of which 0 USB3)
Ethernet ports : 0 (0Mbps max. speed)
Wi-fi : True
Bluetooth : True
Camera ports (CSI) : 1
Display ports (DSI): 0
J8:
3V3 (1) (2) 5V
GPIO2 (3) (4) 5V
GPIO3 (5) (6) GND
GPIO4 (7) (8) GPIO14
GND (9) (10) GPIO15
GPIO17 (11) (12) GPIO18
GPIO27 (13) (14) GND
GPIO22 (15) (16) GPIO23
3V3 (17) (18) GPIO24
GPIO10 (19) (20) GND
GPIO9 (21) (22) GPIO25
GPIO11 (23) (24) GPIO8
GND (25) (26) GPIO7
GPIO0 (27) (28) GPIO1
GPIO5 (29) (30) GND
GPIO6 (31) (32) GPIO12
GPIO13 (33) (34) GND
GPIO19 (35) (36) GPIO16
GPIO26 (37) (38) GPIO20
GND (39) (40) GPIO21