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Electronics Page

PlantLab open-source IoT plant care kit feature image with the final controller build

PlantLab: A Complete Open-Source IoT Plant Care Kit for Beginners (Part 1: Hardware & PCB)

Feature image with the title "Building a Battery Meter for Field Radio Operation" over a realistic workbench scene showing a yellow battery meter and a 4S LiFePO4 battery pack.

Building a Battery Meter for Field Radio Operation

Simple comparison of a steady DC line and an alternating AC sine wave.

AC vs. DC: What Is the Difference and How Can You Tell?

Simple circuit diagram identifying voltage, current, and resistance.

Voltage, Current, and Resistance Explained with a Water-Pipe Analogy

Feature image showing a rooftop LoRa Meshtastic base station with a homemade PVC J-Pole antenna and solar panel

Build a J-Pole Antenna for Your LoRa Meshtastic Base Station

an illustration showing pcb trace, with blue circles representing current and red circles representing static charge

Electric Charge, Static Charge & Current

Illustration of glowing blue electrons moving through a circuit board with the title "Electronics Basics 01: What Is an Electron?"

What Is an Electron? From Atomic Structure to Electron Flow

a solar meshtastic CLIENT_BASE Station deployed on balcony rail

Lora Meshtastic Nodes Built from Scratch Part 2

meshtastic node esp32 custom board feature image

Lora Meshtastic Nodes Built from Scratch Part 1

desktop charger 260w two type-c ports

A 260W Multi-Port Desktop Quick-Charge Unit

esp32 mppt controller in work closed-up view

An Open Source MPPT Controller for Ham Radio Field Operation – Build Notes

ELECTRONIC PROJECTS

a solar meshtastic CLIENT_BASE Station deployed on balcony rail

Lora Meshtastic Nodes Built from Scratch Part 2

electronic projects, Electronics
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meshtastic node esp32 custom board feature image

Lora Meshtastic Nodes Built from Scratch Part 1

electronic projects, Electronics
Read More
desktop charger 260w two type-c ports

A 260W Multi-Port Desktop Quick-Charge Unit

electronic projects, Electronics
Read More
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TUTORIALS

Illustration of glowing blue electrons moving through a circuit board with the title "Electronics Basics 01: What Is an Electron?"

What Is an Electron? From Atomic Structure to Electron Flow

Electronics, tutorials
Read More
« Previous 1 2

Electronics and Maker Projects Gallery

Snapshots from our latest tech experiments and DIY tutorials.

static charge everyday examples, balloon and hair, doorknob spark, electronics basics
neutral atom vs cations and anions comparison, electron loss and gain, electronics basics
Simplified line art of an atom showing a dense nucleus with protons and neutrons, surrounded by a light blue electron cloud. Includes a football field analogy infographic.
Split-screen diagram contrasting conventional current flow (red arrow) with actual electron flow (blue arrow) in a basic resistor circuit.
Final balcony‑mounted Meshtastic solar base station overview
ICARUS V2 Meshtastic board with OLED, RA‑01S LoRa module inside AP/CPE case
3D model of custom enclosure inner view
Custom Meshtastic node with firmware successfully flashed
Amateur Radio
9 Posts
Discoveries
9 Posts
Electronics
11 Posts
Tools
9 Posts
ELECTRONIC PROJECTS
  • Battery Meter for Field Radio
  • Lora Antenna: J-pole
  • A Lora Meshtastic Node Part 2
  • A Lora Meshtastic Node Part 1
  • Desktop Quick-Charge Unit
  • An Open Source MPPT Controller
TUTORIALS
  • Electrons
  • Electric Charge, Static Charge & Current
  • Voltage, Current, and Resistance
  • AC vs. DC
AMATEUR RADIO
  • Ground-Elevated Vertical Part 1
  • Ground-Elevated Vertical Part 2
  • digiPi APRS Unit
  • Setting Up a CW Skimmer Server
  • A Full-Wave Loop for 2m Band
  • 3D Printed Current Balun
  • U/V Band Line-of-Sight Problem
  • AZ/EL Antenna Rotator Part 1
TAGS

3D Printer Chamber Control amateur radio projects Antenna arduino libraries Calculator Coax diy antenna DIY Electronics electronic projects electronics electronics basics electronics fundamentals electronics knowledge base electronics tools electronics tutorials esp-fs-webserver esp32 libraries esp32 projects ESP32 Web Server ESP32 WiFi Manager ham radio ham radio projects ham radio satellites hobby electronics homemade AZ/EL antenna rotator J-Pole antenna Maker Project meshtastic antenna meshtastics Ohm's law open source hardware PVC antenna Reflected Power Resistor Return Loss RF Smart Clock SWR Transmission Line WebSocket

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