Oak

V1.0

🌳 Measure outdoor distance between 2 keychain holders 🔑

power LiPo
wireless LoRa
sensor GPS, E-Ink
mcu SAMD21E
status ongoing

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LoRaWAN

  1. RFM95W LoRa Module
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GPS

  1. Calculate distance between two latitude-longitude points? (Haversine formula)
  2. Haversine formula
  3. Testing out an upcoming STEMMA GPS board for STEMMA SUNDAY
  4. Adafruit Mini GPS PA1010D - UART and I2C - STEMMA QT
  5. Adafruit GPS Arduino firmware
  6. CD-PA1010D GNSS patch antenna module Data Sheet V.02
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  8. NEO-6M GPS Module — An Introduction
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E-Ink

  1. Waveshare 1.54inch e-Paper Module
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  4. Waveshare 1.54inch e-Paper Module datasheet

Firmware

  1. Arduino Core for STM32L0 with LoRaWAN connectivity

Manufacturing

  1. How to Solder Castellated Mounting Holes