https://mapfumo.github.io/tags/rak7268v2/Recent content in Rak7268v2 on Antony MapfumoHugo -- gohugo.ioen-usSun, 11 Jan 2026 13:50:05 +1000https://mapfumo.github.io/posts/week-10-from-lora-modules-to-native-lorawan-the-stm32wl-migration/Sun, 11 Jan 2026 13:50:05 +1000https://mapfumo.github.io/posts/week-10-from-lora-modules-to-native-lorawan-the-stm32wl-migration/<h2 id="the-challenge">The Challenge</h2> <p>For the first 9 weeks of this project, I&rsquo;ve been using RYLR998 LoRa modules - simple AT command modules that handled the radio work while my STM32 focused on sensors. They worked beautifully for point-to-point communication (600m range, 95% success rate), but they had a fundamental limitation:</p> <p><strong>They weren&rsquo;t LoRaWAN.</strong></p> <p>LoRa (the physical layer) is great for custom networks. But <strong>LoRaWAN</strong> (the MAC layer protocol) is what you need for:</p>