TTGO T-Display NetMon

A network monitor that pings google dns every half second to check internet connection.

• orange while building connection to router
  • may intermediate black because reboots while not able to connect
• red if ping fails
  • screen stays
• green when ping succeeds
  • dimming screen to pitch black after 5 seconds

Shows time of last event in case it got time from internet timeserver.

Toggle by

• button1 to history (circle buffered)

or

• by button2 to the current state.

Ideas (no priority sort order)

• show RSSI in case of event
• more fancy interface
• invoke an URL in case of event to trigger external devices (maybe take a photo of a street in case of interferences from vehicles)
• directly take a photo (device with display an cam exists from TTGO)
• replace loops and wait for by event driven design for WiFi and Ping
• use tasks
• in conjunction use sleep mode and its events to consume less power
• sounding alarm