{"product_id":"meshcore-sveva-rossi-9798243847551","title":"Meshcore: OFF-GRID LORA MESH NETWORKS FOR EMERGENCY COMMUNICATIONS: Build Decentralized Text Messaging with ESP32, Heltec, and LilyGo Hardware for Dis","description":"\u003cp\u003e\u003cb\u003eBuild off grid LoRa mesh networks that still deliver messages when conventional infrastructure is unreliable, overloaded, or unavailable.\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eWhen coordination matters most, cell networks, WiFi, and cloud services are often the first pieces to fail or become congested. Short emergency text messages are all you can count on, yet most LoRa projects focus on lab demos instead of real deployments with airtime limits, collisions, and battery constraints.\u003c\/p\u003e\u003cp\u003e\u003ci\u003eMeshCore: Off-Grid LoRa Mesh Networks for Emergency Communications\u003c\/i\u003e gives you a practical, end to end blueprint for building decentralized text messaging systems with ESP32, Heltec, and LilyGo hardware. You will see what LoRa mesh can and cannot do, how to design roles, routes, and radio settings that scale, and how to operate a network that behaves predictably under load.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eUnderstand emergency messaging requirements, airtime budgets, collision patterns, latency, and realistic range so you design for reliability instead of marketing claims.\u003c\/li\u003e\n\u003cli\u003eModel your network with clear roles, including companion nodes, repeaters, and room servers, and learn how flood routing, direct routing, adverts, and hop limits work together.\u003c\/li\u003e\n\u003cli\u003eChoose and harden hardware for real field use, from ESP32 based Heltec and LilyGo boards to antennas, power systems, enclosures, and connectors that survive movement, weather, and long runtimes.\u003c\/li\u003e\n\u003cli\u003eFlash firmware, standardize presets, and configure radio parameters such as frequency, bandwidth, spreading factor, coding rate, and payload size so your mesh scales beyond two test nodes.\u003c\/li\u003e\n\u003cli\u003eSet up companion messaging on phones and web clients, including Bluetooth and USB transport, device identity and contact exchange, message queues, confirmations, retries, and offline delivery behavior.\u003c\/li\u003e\n\u003cli\u003eUse MeshCore CLI, JavaScript, and Python tooling to automate operations, inject test messages, monitor the mesh, collect RSSI, SNR, loss, and latency metrics, and build simple dashboards from logs and telemetry.\u003c\/li\u003e\n\u003cli\u003eApply security and key hygiene in ad hoc meshes with realistic threat models, identity and signing practices, key rotation and backup, and operational responses to lost or compromised devices.\u003c\/li\u003e\n\u003cli\u003eEngineer repeaters, room servers, and deployment playbooks for coverage, uptime, group messaging, moderation, compliance constraints, and responsible radio use.\u003c\/li\u003e\n\u003cli\u003eWork through a complete capstone build, from a single companion node to a multi hop network with a repeater and room server, capped by a full drill with captured metrics and a structured improvement report.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThis is a code focused, implementation oriented guide, with working configuration examples and protocol workflows that take you from theory to a functioning emergency messaging mesh carrying real traffic.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eGrab your copy today and start building LoRa meshes that stay useful when other systems do not.\u003c\/b\u003e\u003c\/p\u003e\u003cbr\u003e\u003cbr\u003e\u003cb\u003eAuthor:\u003c\/b\u003e Sveva Rossi\u003cbr\u003e\u003cb\u003eISBN-13:\u003c\/b\u003e 9798243847551\u003cbr\u003e\u003cb\u003ePublisher:\u003c\/b\u003e Independently Published\u003cbr\u003e\u003cb\u003eLanguage:\u003c\/b\u003e English\u003cbr\u003e\u003cb\u003ePublished:\u003c\/b\u003e 01\/13\/2026\u003cbr\u003e\u003cb\u003ePages:\u003c\/b\u003e 384\u003cbr\u003e\u003cb\u003eFormat:\u003c\/b\u003e Paperback\u003cbr\u003e\u003cb\u003eWeight:\u003c\/b\u003e 1.46lbs\u003cbr\u003e\u003cb\u003eSize:\u003c\/b\u003e 10.00h x 7.00w x 0.79d","brand":"Sveva Rossi","offers":[{"title":"Paperback","offer_id":48447244435711,"sku":"9798243847551","price":34.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/2982\/9887\/files\/img_8cd92b57-e4ab-4102-b36e-af02b033f559.jpg?v=1777229813","url":"https:\/\/www.whiterainbookhouse.com\/products\/meshcore-sveva-rossi-9798243847551","provider":"WR Book House","version":"1.0","type":"link"}