unsurv-offline#

Currently available on crowdsupply

This project is part of the unsurv framework to fight privacy invasive technologies in the offline world. unsurv-offline logs your encounters with surveillance cameras and creates a daily report for you via NFC to review in the unsurv-companion Android app.

../../_images/first.jpeg — main PCB design#

Demo

This device can easily be adapted to different use cases via the Arduino IDE. Arduino library + board integration are planned.

List of features#

ESP32 D4
ublox M8C GNSS receiver
RF430CL330H NFC
BMA400 accelerometer
SD card reader
MCP73831 single cell LiPo charging
CH340 USB to Serial

Software#

unsurv-offline
other examples (tap to log location, location logging + step counting)

Hardware#

PCB design (KiCad files)
case design (FreeCAD + STL files)

Special thanks to#

SparkFun for maintaining the ublox library
awong1900 for his work on the RF430
kriswiner for his BMA400 library