RFM69 based keyfob backup for DIY sliding door opener Toying with an old project of mine, a RFM69 based keyfob. Added support for it to my DIY sliding door opener to act as a backup, when the Internet is down and I can't use the app on my phone View on X β Share this: Share on X (Opens in new window) X Share on LinkedIn (Opens in new window) LinkedIn Share on Reddit (Opens in new window) Reddit Share on Facebook (Opens in new window) Facebook More Share on WhatsApp (Opens in new window) WhatsApp Share on Telegram (Opens in new window) Telegram Share on X (Opens in new window) X By Martin | September 15, 2019 | X post | ← Securing MQTT for embedded IoT devices with Mutual TLS LoraWAN based product family →