Andreas Spiess

Intro

#207 Why most Arduino Soil Moisture Sensors suck (incl. solution)

#286 How does Software Defined Radio (SDR) work under the Hood? SDR Tutorial

#312 Boot a Raspberry Pi4 with an SSD to make it reliable and fast

#188 Antenna Tutorial incl. cheap DIY Antenna Tester (LoRa, ESP32)

Rutgers University Confirmed: Meshtastic and LoRa are dangerous

Raspberry Pi Server based on Docker, with VPN remote access, Dropbox backup, Influx, Grafana, etc.

Boot a Raspberry Pi4 with an SSD to make it reliable and fast

#235 RFID Hacking and Cloning with Magic Cards, Proxmark3 and Arduino (T5577)

Use your PC Soundcard as an Oscilloscope, a Signal Generator, and a Spectrum Analyzer (Arta, REW)