Electronics

Resources

Resistance: 4 Band Colour Code Calculator

Capacitance: Conversion Calculator

Coil Inductance Calculator

How to Read a Capacitor

Symbols

Lessons in Electric Circuits

How to Test a Zener Diode

Software

Electronics Design on Linux

gplEDA.org

Fritzing

DipTrace - Schematic and PCB Design Software

Oregano

Tools

• Details about ST-Link V2 Programming Unit mini STM8 STM32 Emulator Downloader M89 Top
• Details about USBasp USB ISP Programmer Adapter for ATMEL AVR S51 WIN7 VISTA AT89S51 AT89S52
• Authentic Nitecore UM20 Dual Slot Li-ion Battery Charger
• USB Voltage Current Meter Charger Doctor Tester 200mV 0-60 Degree
• AVR Parts Tester

Microcontrollers

• Walking the 32bit path to a blinky LED
• MicroFAT: A File System for Microcontrollers
• Microcontroller Register Manipulation
• I2C Relay Board
• Musings on writing a software USB stack

Software (IDEs)

• PlatformIO
• Arduino
  • Arduino Eclipse
• Energia
• Wiring
• MPLAB

TI

• MSP430
• Stellaris
• C2000

Atmel

• ATmega
  • Arduino
• ATTiny

Renesas

• RX62N
• RL78

GNU Tools

Espressif

• ESP8266

STMicroelectronics

• STM8
• STM32

Microchip

• PIC

Single Board Computers

• Comparison of 81 open-spec, hacker friendly SBCs -- June, 2016

• C.H.I.P.

• Raspberry PI
  • Raspberry Pi Home Automation - Control lights, computers, CCTV and more!

High Voltage

• 50,000V High Voltage Power Supply
• Tesla Coil Projects

Robotics

• Make A Simple Bipedal Humanoid Robot (Servo Walking Robot)

Off-Grid

• A New & Improved Charge Controller Based on the 555 Chip
• A low-voltage disconnect for 12 volt lead acid and lithium batteries
• ARDUINO MPPT SOLAR CHARGE CONTROLLER (Version-3.0)
• DIY solar cell from scratch

Projects

IoT

• How to Build IOT Devices – Talk by Joe Menard

Sugar Bush

• Fluid Flow
  • • Arduino flow rate sensor interfacing: The Best Tutorial
• Fluid Level
  • • Google Search
  • Pump House Tank level display
  • Boiler level alarm
• Temperature
  • See PID
• Electrical Equipment Monitoring
• Mechanical Equipment Monitoring
  • Pump activity timer

Household sensors & Automation

Sensing

Temperature

• Measuring Temperature with an NTC Thermistor
• ESP8266 temperature logger
• 9 Arduino Compatible Temperature Sensors for Your Electronics Projects
• Complete Guide for DHT11/DHT22 Humidity and Temperature Sensor With Arduino
• Guide for BMP180 Barometric Sensor with Arduino

Sound

• Arduino Sound Detector
• SparkFun Sound Detector

Weather Station

• Arduino Wireless Weather Station
• Make a Personal Weather Station
• Mini weather station with Attiny85
• Arduino Weather Station (AWS)

Security

• Home Guarduino - IoT Connected Security System
• RFID Controlled Door

Convenience

• Washer Dryer Laundry Alarm using Arudino & SMS Text Messaging Alerts

Automation

• Blinds' Eye (automatically open and close your blinds, based on whether it is light outside)

Motor Control

• DC Motors Tutorial
  • 1/3: Continuous, H-Bridge, Gear
  • 2/3: Servo, Brushless and Coreless, Vibration
  • 3/3: Steppers
    • Stepper Drivers Tutorial-1/2: ULN2003, L298N, L9110S
      • ULN2003
      • L298N
      • L9110S
• Stepper Motor Basics
• Designing a Dual 40A PWM Speed Controller for Brushed Motors
• Simple, Cheap Motor Controller

Homebrew Tools

• Build Your Own PCB Chemical Tank
• Link Trucker is a Tiny Networking Giant
• DIY Arduino Battery Capacity Tester - V1.0
• DIY Tools—Build Your Own Logic Probe
• Capacitance Meter
• Oscilloscopes
  • Arduino-Based
  • DIY - USB Oscilloscope in a Matchbox
• Electronic Loads
  • Building a Constant Current/Constant Power Electronic Load
  • Linear MOSFET and Its Use in Electronic Load
  • Constant Current Dummy Load In an HDD Cooler

Just Because

• Dead Bug Prototyping and Freeform Electronics
• Charliecube -- Charlieplexed 4x4x4 RGB LED cube
• Make your own SIMPLE 5x5x5 RGB LED Cube
• How to Build Your Own Discrete 4-Bit ALU
• Arduino Skeleton
• DIY EMP Generator
• Interface a rotary phone dial to an Arduino
• Simple Tesla Coil
• Nerd Pocket Watch

Sort This Stuff

• PS/2 to USB keyboard converter
• PS/2 to USB keyboard converter for Teensy with mousekeys and NKRO
• Simple audio amplifier
• Make Your Switch Sound Activated
• The Crop Duster Buster is sure to keep your pet's toot smell away!
• Arduino Infrared (IR) Control… The Universal Remote Control
• Build Your Own Metal Detector with an Arduino
• Measuring Temperature with an NTC Thermistor
• How to make USB OTG cable
• Make wireless charging mouse
• Dad's Remote Control
• Laptoprecycling-Touchpad
• DIY 1500 Watt Lab Power Supply (with a playlist of other supplies...)
• Powerful burning Laser
• How to Make PCB using Marker

Knowledge

• Wire Guage
• Kelvin (4-wire) Resistance Measurement
• James Lewis - They're JUST Capacitors
• How to : Control Speed of Motor
• Some discussion about switching with MOSFETs & a bit about using LTSpice
• How to Build Your Own Discrete 4-Bit ALU
• Build Your Own Motor Driver
• Inspecting Electronic Circuits with an Audible Circuit Probe
• The Basics Behind Constant-Current LED Drive Circuitry
• How Lithium-Metal Doubles the Energy Density of Rechargeable Batteries
• Intro to Stepper Motors
• Uses of Different Soldering Iron Tips
• From Resistors to ICs Color Codes

Ideas

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• Quick and Efficiently Wiring Your Prototype Circuit Board
• Using Transistor as a Switch
• 4-in-1 Arduino LCD Shield Kit
• 9V/1kV DC/DC converter
• A low-voltage disconnect for 12 volt lead acid and lithium batteries

YouTube

• #237: 4 Wire Resistance Measurement | Kelvin connection
• 4 wire kelvin resistance measurement tutorial
• Soldering Tool
• Wireless Module on Breadboard - NRF24L01+ and ESP8266
• Level Shifting Tutorial 5V-3.3V Quick and Dirty Methods
• How to Drive LEDs - Easy Constant Current Circuit
• How to protect circuits from reversed voltage polarity!
• 6 Ways to control Motors! Including with Arduino & Raspberry Pi! How To Tutorial from NYC CNC

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Reverse Engineered: 50p Electronic 555 Doorbell Kit (with schematic)

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  Schematic generated in Fritzing

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Instructables

Simple Servo Tester

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• Electronics Components Storage

• Is the best PCB etchant in every kitchen?
• Automatic Dark Detector
• How to Control a Nixie Tube with an Arduino
• Basic Electronic components

Interesting Products

Nitinol (Muscle Wire)