Components

Intro to Experimental Electronics

Sections

Microcontrollers vs. Microprocessors

microcontrollers-vs-microprocessors

An example of a Microcontroller is an Arduino; an example of a Microprocessor is a Raspberry Pi.

Video (AddOhms): youtube.com/watch?v=7vhvnaWUZjE

Arduino

Arduino is a prototyping platform and an education platform for electronics.

Arduino Uno

Massimo Banzi TED Talk

There are a number of related platforms that might be of interest - Flora/Gemma, BBC MicroBit and LittleBits. There are also very popular boards like the Wemos d1 Minis that use the ESP8266 (Espruino) Wi-Fi chip.

And while the Arduino name is protected, the hardware design is open source. It is possible to buy unofficial versions of the popular Arduino boards from other suppliers that match the same form-factor and similar capabilities.

Raspberry Pi

Raspberry Pi

SmartCitizenKit

SCK Board SCK Website SCK Dash By Ger

Makey-Makey

Makey-Makey Makey Makey Board

Banana Keyboard

Watch-Out! DIY Synthesiser

Watch-Out Milling Watch-Out Millingb Watch-Out Millingc Watch-Out Main Watch-Out Workshop Watch-Out Attribution Watch-Out Logo

Knitting machines

OpenKnit Diagram Circular Knitic OpenKnit Main

Subdermal Implants with DSruptive

DSruptive DSruptive DSruptive

Some Electronics Concepts

Warning

For the equipment we're going to be using in the next section. there is a minor risk of electrical shock and a risk of burn from soldering iron.

The max. supply voltage of an Uno is 40 mA, and the voltages are between 3.3v and 12v. USB devices all have thermal fuses, and everything we are using today is fused and grounded.

More caution is needed with Alternating Current, domestic voltages, and with components such as Relays, Transformers.

  • Power off at the mains.
  • Use a phase tester.
  • If in doubt, don’t.

Voltage-Current-Concept

Software to learn and other resources

  • Fritzing Fritzing

  • EasyEDA

  • TinkerCAD (used to be called...) 123D Circuits

  • Circuit Wizard

  • adafruit.com

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