Grafana, Influxdb & DS18B20 based home temperature monitoring with Raspberry Pi

Update on the Raspberry Pi/Grafana/Influxdb/DS18B20 temperature monitoring network I put together 2 years ago…

Psion MC400 – retro computing via RS232 to Raspberry Pi – handshaking fixed…

Getting the 1990s era Psion MC400 laptop online via an attached Raspberry Pi and some custom shortened Psion serial-USB cables… Tweets, Emails, BBC News & screenshots! All in glorious monochrome and at 19200 baud 🙂