/anchor-alarm-lora

An anchor alarm/buzzer for boats and a slaved remote that can be taken ashore.

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anchor-alarm-lora

An anchor alarm/buzzer for boats and a slaved remote that can be taken ashore. Designed to wake you up if your boat drags, even if you're on land.

/photos/main.jpg Parts list:

  • two Heltec v3 lora32 modules
  • a ublox gps
  • two active buzzers
  • one rotary encoder
  • three small switches SS-12F15
  • 3d printed enclosures
  • batteries (18650s work well)
  • M2 screws and nuts (10mm for lids and 5mm switches, or you could go ham with hot glue)

Total cost around $60

Features:

  • configurable alarm range
  • OTA update support via wifi
  • Lora radios with several kilometers of range for remote
  • All night battery life on remote with 18650

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