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References & Sources

REFERENCE · DATASHEETS · PAPERS · DOCUMENTATION

Comprehensive source list organised by category.

Datasheets

Title Source Description
SX1276/77/78/79 Datasheet Semtech Official datasheet for legacy SX127x LoRa transceivers with spreading factors and modulation specs
SX1262 Product Page Semtech Product information for the newer SX1262 LoRa transceiver
RP2040 Datasheet Raspberry Pi Ltd Clock speed, SRAM and flash of the RP2040; these figures are not present in the MeshCore repo
ESP32 Series Datasheets Espressif Specifications per ESP32 sub-SoC: classic ESP32, S3, C3 and C6
nRF52840 Product Specification Nordic Semiconductor Reference for the nRF52840 SoC and its SoftDevice-based BLE stack
STM32WLE5 Datasheet STMicroelectronics Reference for the STM32WLE5 with the SubGHz LoRa radio on the die

Application Notes

Title Source Description
AN1200.22 LoRa Modulation Basics Semtech Fundamental application note on Chirp Spread Spectrum modulation and processing gain
AN1200.13 LoRa Modem Designer's Guide Semtech Technical guide on SNR requirements and spread spectrum processing gain calculations
RSSI and SNR for LoRa Modulation STMicroelectronics Application note on processing gain calculation and detection of signals below the noise floor
Passive Intermodulation Effects in Base Stations Analog Devices The rusty bolt effect and receiver desensitisation caused by PIM

Academic Papers

Title Source Description
From Demodulation to Decoding: Complete LoRa PHY ACM TOSN In-depth analysis of the LoRa encoding pipeline, dechirping, and FFT peak detection
Complete Reverse Engineering of LoRa PHY EPFL Detailed reverse engineering report of the LoRa physical layer
A Tutorial on CSS for LoRaWAN arXiv Comprehensive academic tutorial on CSS modulation in LoRaWAN systems
LoRaWAN Mesh Networks: A Review PMC/MDPI Extensive overview of multihop mechanisms and mesh topologies for LoRaWAN
NELoRa: Ultra-low SNR LoRa Communication SenSys'21 Research on dechirp signal concentration and SNR threshold analysis
FTrack: Parallel Decoding for LoRa SenSys'19 Paper on FFT peak detection in dechirped signals
Design of a Baseband LoRa Demodulator IEEE Paper on digital LoRa demodulator design with the de-chirp method and FFT

Educational Resources

Title Source Description
LoRa/CSS: Overview and Decoding Gyujun Jeong Comprehensive tutorial on CSS modulation, dechirping, and FFT-based symbol detection
Understanding LoRa PHY Wireless Pi Accessible explanation of LoRa physical layer concepts and de-chirping
LoRa modem with LimeSDR MyriadRF Practical guide on dechirping via conjugate chirp multiplication
The Hidden Side of LoRa disk91 Explanation of the internal LoRa packet structure
LoRa Link Budget Calculations Techplayon Practical explanation of spread spectrum processing gain and SNR requirements

Standards and Specifications

Title Source Description
Spreading Factors TTN Official documentation on spreading factors and receiver sensitivity
ETSI EN 300 220 ETSI European standard for short-range devices in the 868 MHz ISM band
ETSI EN 300 220-1 V3.1.1 ETSI Receiver categories and the description of blocking for short-range devices
ETSI EN 300 220-2 V3.1.1 ETSI Blocking limits, and why intermodulation is deliberately not specified
Antenneregister Rijksinspectie Digitale Infrastructuur Public register of Dutch transmitter sites with height, bearing, frequency and power
LoRa Alliance Regional Parameters LoRa Alliance Official specifications for regional frequency plans (EU868, US915)
LoRa (Wikipedia) Wikipedia Overview of cyclically shifted chirps, spreading factor selection (SF5–SF12)

MeshCore Documentation

Title Source Description
MeshCore Official Website MeshCore Official website with product information, downloads, and documentation
MeshCore GitHub Repository GitHub Open-source repository with MeshCore firmware and sample code
MeshCore FAQ GitHub Wiki Frequently asked questions about advertising, frequencies, firmware, and licences
MeshCore CLI Commands GitHub Official overview of the CLI commands of repeater, room server and sensor, at commit 03b6ef4; compared against the firmware in the CLI reference
MeshCore Web Flasher MeshCore Web-based firmware flash tool for supported devices
MeshCore Companion Apps MeshCore Overview of available client applications for Android, iOS, and web
MeshCore Discord Server Discord Official community server for support and development discussion
MeshCore Map MeshCore Live map with active MeshCore nodes, repeaters, and room servers
MeshCore Dutch Forum Community Dutch-language forum for MeshCore users

Library Repositories

Upstream-repo's van de elf kernlibraries uit libraries/core/. Zie Libraries in MeshCore voor de volledige inventaris van tweeënvijftig libraries.

Title Source Description
jgromes/RadioLib GitHub Transceiverlibrary voor LoRa en FSK; draagt de radio op alle platformen
rweather/arduinolibs GitHub Cryptografiealgoritmen voor Arduino: AES, SHA256, Ed25519
ElectronicCats/CayenneLPP GitHub Low Power Payload — draadformaat voor telemetrie
adafruit/RTClib GitHub Real-time clock-chips over I²C, plus het type DateTime
Melopero RV3028 PlatformIO Registry Library voor de RV-3028-C7-klokchip; upstream-repo niet vindbaar onder de verwachte naam (28 juli 2026)
oltaco/CustomLFS GitHub Tweede LittleFS-volume op nRF52, vastgepind op tag 0.2.2
adafruit/Adafruit_nRF52_Arduino GitHub Herkomst van de LittleFS-port in arch/stm32/
stm32duino/Arduino_Core_STM32 GitHub Frameworkpakket met de SubGhz-library voor de STM32WL
ESP32Async/ESPAsyncWebServer GitHub Asynchrone HTTP-server voor de OTA-sessie op ESP32
ayushsharma82/AsyncElegantOTA GitHub Uploadpagina voor OTA; meegeleverd in arch/esp32/
Arduino — Wire Arduino API-referentie van de I²C-frameworklibrary
Arduino — SPI Arduino API-referentie van de SPI-frameworklibrary

Hardware Documentation

Title Source Description
Heltec WiFi LoRa 32 V3 Heltec Product page for Heltec V3 development board with ESP32-S3 and SX1262
Heltec WiFi LoRa 32 V4 Heltec Product page for Heltec V4 with 28dBm transmit power
RAKwireless WisBlock RAKwireless Modular IoT hardware system with RAK4631 (nRF52840 + SX1262)
LilyGO T-Deck LilyGO Standalone MeshCore device with screen and keyboard
Seeed Studio T1000-E Seeed Studio Compact GPS tracker with nRF52840 and LoRa

Translated from Dutch by Anthropic Claude