LoRa SX1278 Long-Range Networking Practice: ESP32 Wireless Communication Module Tutorial 2026
In IoT projects, WiFi and Bluetooth are sufficient - until you need to cover hundreds of meters or even several kilometers. Farm temperature/humidity monitoring, campus security, reservoir water level monitoring... in these scenarios, WiFi signal? Doesn't exist. This is when LoRa (Long Range) comes in handy. And SX1278 is currently one of the most cost-effective LoRa chips. You can buy a module for 15 yuan on Taobao, add an ESP32 main controller, and build a wireless sensor network covering several kilometers...