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Jun 23, 2018 · Instead of using an ESP32 and a separated LoRa transceiver module, there are ESP32 development boards with a LoRa chip and an OLED built-in, which makes wiring much simpler. If you have one of those boards, you can follow: TTGO LoRa32 SX1276 OLED Board: Getting Started with Arduino IDE .. class="algoSlug_icon" data-priority="2">Web. Creating a node on The Things Network with a Heltec LoRa 32 using the Arduino IDE. The Heltec Lora 32 is an ESP32 module with an SX1276 chip and a little 0.96″ OLED screen. These are available from the Heltec store on AliExpress. Be careful to buy the new version (V2) to get the new functionality like deep sleep, upgraded FLASH and better. class="algoSlug_icon" data-priority="2">Web. class="algoSlug_icon" data-priority="2">Web. class="algoSlug_icon" data-priority="2">Web.