Oak

V1.0

🌳 Measure outdoor distance between 2 keychain holders 🔑

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

Sizes

Item Height Width Depth Weight
Waveshare 1.54inch E-Ink display module display 48.0 mm 33.0 mm mm 24 g
HopeRF RFM95 LoRa module LoRa 16 mm 16 mm 1.8 mm 2 g
CDTop PA1010D GPS module LoRa 10 mm 10 mm 6.8 mm 2.75 g