how to put wifi credentials raspberry pi sd card
add a wpa_supplicant.conf file in boot folder of your SD card
put your credentials
country=US # Your 2-digit country code
ctrl_interface=DIR=/var/run/wpa_supplicant GROUP=netdev
network={
ssid="YOUR_NETWORK_NAME"
psk="YOUR_PASSWORD"
key_mgmt=WPA-PSK
}