I also included an eBay link for the RYLR998 in case you’re hunting for availability or pricing. As long as you’re getting the real module, it works the same way in this no‑Wi‑Fi temperature monitor setup.
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Wireless Temperature Monitor with ESP32 & LoRa – No Wi-Fi Needed! | Intro to RYLS135 Level Shifter
3K views · 2025-07-06 16:30:18