433mhz_thermo_spoof

Abstract

This python script spoofs wireless packets for some wireless Kedsum type temperature and humidity sensor working at 433MHz ISM band.

It uses a stripped down rfcat (copied from https://github.com/atlas0fd00m/rfcat) to send packets via a Yard Stick One.

To use it without root privileges, check out udev rules at rfcat/etc.

Hardware used

• Yard Stick One

Dependencies

• rfcat (bundled)
• python-usb
• libusb

Usage

Example: 20°C, 60% rH

./send_kedsum.py 20 60