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eBits Academy
Understand it. Build on it.
Understand the links, choose suitable parts and build with LoRa, Meshtastic, Reticulum and the electronics behind them.
The radio workshop
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LoRaUnderstand LoRa
Range, airtime and power: understand the radio before choosing a network.
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MeshtasticBuild with Meshtastic
From two nodes to useful messaging, coverage planning and troubleshooting.
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ReticulumExplore Reticulum
Connect radios and computers. Meet RNode, LXMF and the different network layers.
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RFChoose the right antenna
Antenna types, placement, connectors and cable loss, with a repeatable comparison method.
Read the guideAt the workbench: the electronics behind the link
VSWRProtect the radio output
What happens without an antenna? Understand reflections, VSWR and safe antenna changes.
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LNA / PAMeet the LNA and PA
Gain, noise and power: why receiver and transmitter amplifiers have different jobs.
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RF / LO / IFHow a mixer works
RF, LO and IF: follow the signal through frequency conversion and filtering.
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More projects, explanations and ideas from the eBits Academy.
Understanding the AHT10 Sensor – Air Quality Monitoring Station Series, Part 5
Lesson Objective In this lesson, we will explore the AHT10 Temperature and Humidity Sensor, an essential component in your IoT air quality monitor....
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Introduction to ESP32 – Air Quality Monitoring Station Series, Part 4
Lesson Objective In this lesson, we introduce the ESP32 microcontroller, the central component of your IoT air quality monitor. By the end, you...
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Tools and Setup – Air Quality Monitoring Station Series, Part 3
Lesson Objective This lesson aims to give you an overview of the tools, both hardware and software, needed to create the IoT Air...
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Project Overview – Air Quality Monitoring Station Series, Part 2
Lesson Objective In this lesson, you will get a clear overview of the IoT Air Quality Monitoring Station you will build. By the...
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Repair, Create and Experiment: The Power of Silver Conductive Paint
Introduction Have you ever wondered how to repair broken PCB traces, make quick DIY circuits or experiment with innovative conductive designs? At eBits.dk,...
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What Is the Internet of Things (IoT)? – Air Quality Monitoring Station Series, Part 1
This lesson marks the start of your journey into a rapidly growing field that connects the physical and digital worlds. Whether controlling smart...
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Top 10 Common PCB Design Mistakes and How to Avoid Them
PCB design can feel like solving a Rubik’s cube with your eyes closed—one small mistake can send your whole project off course. Fortunately,...
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How to Design Reliable PCBs for USB 2.0 Applications
Designing a PCB for USB 2.0 can be like walking a tightrope with a cup of coffee in your hand—it takes precision, but...
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IoT Hardware and Software: 7 Pitfalls to Avoid in Product Development
Developing IoT products presents unique challenges that can lead even experienced developers into unforeseen pitfalls. This post outlines seven common mistakes in IoT...
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Hacking Your Own IoT: A White Hat’s Guide to Securing Smart Devices
In today's fast-paced, Wi-Fi-powered world, we live in homes filled with smart devices. Your lightbulb talks to your speaker, your fridge keeps tabs...
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How to build your own A.I. LLM
In the realm of artificial intelligence , Large Language Models (LLMs) like GPT (Generative Pretrained Transformers) have taken center stage. You’ve probably used...
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MQ135 and ESP32: understand the raw signal before calculating PPM
MQ135 is a heated semiconductor sensor that responds to several gases. It is useful for investigating relative changes, but it is not a...
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