Electronics

Resources

Resistance: 4 Band Colour Code Calculator

Capacitance: Conversion 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

Microcontrollers

• Walking the 32bit path to a blinky LED

Software (IDEs)

• PlatformIO
• Arduino
  • Arduino Eclipse
• Energia
• Wiring

TI

• MSP430
• Stellaris
• C2000

Atmel

• ATmega
• 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

Battery Stuff

Lithium ion

Sony lithium ion cell codes

Off-Grid

• A New & Improved Charge Controller Based on the 555 Chip

* A low-voltage disconnect for 12 volt lead acid and lithium batteries

Projects

Sugar Bush

Pump House Tank level display

Pump activity timer

Boiler level alarm

Household sensors

• Arduino Sound Detector
• SparkFun Sound Detector
• ESP8266 temperature logger
• Arduino Wireless Weather Station
• Measuring Temperature with an NTC Thermistor

Homebrew Tools

• Build Your Own PCB Chemical Tank

Other Stuff

• PS/2 to USB keyboard converter
• Adafruit Trinket PS/2 to USB Hacked Converter
• PS/2 to USB keyboard converter for Teensy with mousekeys and NKRO
• Simple audio amplifier

Knowledge

• 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

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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Interesting Products

Nitinol (Muscle Wire)