Update TROUBLESHOOTING.md

Add info about Pi 3's WiFi

diff --git a/TROUBLESHOOTING.md b/TROUBLESHOOTING.md
index 6a49f0a737225ac26f5fba9913c86a04097a8913..45ea8fe710b8445043258fb39740deb68969f460 100644 (file)
--- a/TROUBLESHOOTING.md
+++ b/TROUBLESHOOTING.md
@@ -19,6 +19,11 @@ This can be caused by lots of things, but one of them is that the WiFi adapter m
 ```
 iw dev wlan0 set power_save off
 ```
+Here is the command sequence for a Raspberry Pi 3, which has built-in WiFi:
+
+```
+sudo iwconfig wlan0 power off
+```
 
 There are some more details in some the closed issues on this repository.