Solar & Power Systems
Solar panels, batteries, charge controllers, and mains power for field and permanent deployments.
📖 Start Here — Solar & Power Systems Guide
This book covers everything about powering LoRa mesh nodes - from USB-powered indoor nodes to ful...
Power Fundamentals
Solar Systems
Solar Panel & Charge Controller Selection
Solar Panel & Charge Controller Selection Selecting the right panel and charge controller determi...
Sizing Your Solar System
Sizing Your Solar System Proper solar sizing means the system reliably recharges within your wors...
Cold Weather Operation
Cold Weather Operation Solar power systems in cold climates face challenges that warm-climate sys...
Wired & Mains Power
Mains Power for Permanent Installations
Mains Power for Permanent Installations Where mains (AC grid) power is available, it is convenien...
AC Mains Power for Permanent Node Installations
For fixed infrastructure nodes at permanent sites with grid power access, AC mains power is the l...
Power-over-Ethernet for Outdoor Node Deployments
Power over Ethernet (PoE) is an excellent choice for outdoor nodes at sites with structured cabli...
Power Consumption Reference
Power Consumption by Platform
Understanding your node's actual power consumption is essential for correctly sizing a solar syst...
Solar Sizing Guide
A correctly sized solar system can keep your repeater running for years with minimal maintenance ...
Power Consumption Measurement Methods
Accurate power consumption measurements help you design realistic solar power systems and underst...
Practical Power System Design
Solar System Sizing Guide
Goal Size your battery to survive N cloudy days, and size your panel to fully recharge that batte...
Charge Controller Selection and Wiring
Why You Need a Charge Controller Solar panels produce unregulated voltage - a nominally "12 V" pa...
Sizing a Solar System for Your Climate
Solar panel sizing depends heavily on your geographic location. The same 5W panel produces dramat...
Charge Controller Selection and Configuration
The charge controller is the brain of your solar power system - it manages battery charging, prev...
Battery Chemistry and Selection
Comparing LiFePO4, LiPo, and lead acid battery chemistries for LoRa deployments, plus sizing meth...
LiFePO4 vs LiPo vs Lead Acid for LoRa Deployments
Choosing the right battery chemistry for a LoRa mesh node is one of the most consequential hardwa...
Battery Sizing for LoRa Mesh Nodes
Correctly sizing the battery for a solar-powered LoRa node prevents two failure modes: undersizin...
Battery Management Systems and Protection Circuits
A Battery Management System (BMS) is the electronic circuit that protects lithium cells from cond...
Solar Panel Selection and Installation
Panel technologies, Wp ratings, geographic sizing, mounting hardware, orientation, and charge con...
Choosing a Solar Panel for LoRa Nodes
Solar panel selection involves matching the panel's output to the node's energy needs while accou...
Solar Panel Mounting and Orientation
The mechanical installation of a solar panel is as important as the panel selection itself. A cor...
Charge Controllers: PWM vs MPPT
The charge controller sits between the solar panel and the battery. It regulates current flow to ...
Power System Wiring and Safety
Complete wiring diagrams, fusing, wire gauge selection, weatherproof connectors, and battery tele...