ESP32 LoRa 21 Km Long Range Communication – Heltec LoRa 32
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Heltec LoRa 32 Range Tests
https://youtu.be/yhuPAOg5g58Project Description:
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In this video, I unbox and test the Meshnology N35 ESP32 LoRa Board Kit featuring two Heltec LoRa 32 (V3/V4) development boards (ESP32 + LoRa + OLED display). We will walk through the full package, specs, solder‑free setup, and one-way and two-way communication tests. Perfect for IoT, sensor networks, remote monitoring and off‑grid projects.
What you will see in this video
Unboxing of the kit: boards + military‑green protective cases + antennas + Li‑Po cable.
First impressions: Type‑C interface, OLED display, WiFi + Bluetooth + LoRa support.
Setup using the Arduino IDE (2.3.6) for the Heltec LoRa 32 boards.
One‑way & two‑way LoRa communication tests: transmitter ↔ receiver, displays RSSI and payload data.
Real‑world long‑range demonstration: how far can this LoRa board go? (spoiler: 21 km!) i will perform these tests in the upcoming video.
Discussion of real‑world IoT use‑cases: smart agriculture, remote sensors, mesh networks (Meshtastic), low‑power deployment.
Why this board matters + key specs
Uses the SX1262/SX1276 LoRa chip which enables long‑range, low power wireless communication.
Operates in license‑free ISM bands (e.g., 433 MHz, 868 MHz, 915 MHz) depending on region.
Compared to WiFi and Bluetooth, LoRa excels at distance (several kilometers) with very little power.
Great for IoT & sensor networks: you can monitor remote data without relying on WiFi/cellular infrastructure.
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Product Links:
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Heltec LoRa 32
https://amzn.to/47SO4rWProduct official page
https://meshnology.com/collections/meshnology-n30/products/n35-esp32-lora-v3-board-kit-863-928mhz-antenna-3000mah-battery-case-wifi-bluetooth-oled-for-arduino-meshtastic-iotDISCLAIMER: This video and description contain affiliate links, which means that if you click on one of the product links, I will receive a small commission. This helps support the channel and allows me to continue to make videos like this. Thank you for your support!
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