SDR

part 1 [https://blog.dan.drown.org/sharp-wireless-weather-station/], part 2 [https://blog.dan.drown.org/sharp-wireless-weather-station-2/], part 3 [https://blog.dan.drown.org/sharp-wireless-weather-station-3/] Turn the receiver off between messages To save power and cpu, I wanted to turn the RTL-SDR off between messages.  Because the next message comes at

part 1 [https://blog.dan.drown.org/sharp-wireless-weather-station/], part 2 [https://blog.dan.drown.org/sharp-wireless-weather-station-2/], part 4 [https://blog.dan.drown.org/sharp-wireless-weather-station-part-4/] Reverse engineering the CRC In looking at the crc field, I tried a number of different things. rtl_433 crc functions First, I tried the crc7,

part 1 [https://blog.dan.drown.org/sharp-wireless-weather-station/], part 3 [https://blog.dan.drown.org/sharp-wireless-weather-station-3/], part 4 [https://blog.dan.drown.org/sharp-wireless-weather-station-part-4/] rtl_433 The rtl_433 [https://github.com/merbanan/rtl_433] project has support for decoding a bunch of different weather station devices. Unfortunately, it doesn&

What is the goal? I have a weather station with a wireless temperature/humidity sensor. Instead of looking at the LCD on the wall, I'd like to have that data on my phone. A graph of historical data would be nice as well. What am I starting with?