# Electronics
|  | **Electronics** is a scientific and engineering discipline that studies and applies the principles of physics to design, create, and operate devices that manipulate electrons and other electrically charged particles. Electronics is a subfield of electrical engineering, but it differs from it in that it focuses on using active devices such as transistors, diodes, and integrated circuits to control and amplify the flow of electric current and to convert it from one form to another, such as from alternating current (AC) to direct current (DC) or from analog to digital. Electronics also encompasses the fields of microelectronics, nanoelectronics, optoelectronics, and quantum electronics, which deal with the fabrication and application of electronic devices at microscopic, nanoscopic, optical, and quantum scales. |
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| | wikipedia:: [Electronics](https://en.wikipedia.org/wiki/Electronics) |
- [[Codex/Tech/Making]]
- [[Single-board computer]]
- [[Raspberry Pi]]
## Concepts
- [[Physics]]
- [[Electromagnetism]]
- [[Electricity]]
- [[Magnet]]
- [[Radio wave]]
- Wire
- Gauge
- copper
## Circuits
[[Electrical circuit]]
## Radio
- [[Radio]]
## Microcontrollers
[[Microcontroller]]
- [[Arduino]]
- [[Raspberry Pi Pico]]
- [[ESP32]]
## Components
- Chips
- [[Capacitor]]s
- [[Diode]]s
- [[Electric battery]]
- [[Microcontroller]]
- Southbridge
- Northbridge
- [[Processor]]
- Microchip, aka IC = Integrated circuit
- Memory
- [[AVR]]
- DSP
- DAC
- ADC
- PCB
- PWM
- A dedicated pulse-width modulation (PWM) block makes it possible for the CPU to control power converters, resistive loads, motors, etc., without using many CPU resources in tight timer loops.
- Real-time clock
- EEPROM
- SRAM
- Flash memory
- Lights
- LEDs
- LCDs
- OLED
- AMOLED
- e-ink
### IO
- Buttons
- Sensors
#### Cables & Connectors
- [[USB]]
- [[Thunderbolt]]
- [[Serial communication]]
- [[Universal asynchronous receiver-transmitter|UART]]
- [[GPIO]]
- [[JST connector]] - battery connector
- [[SPI]]
- [[I2C]]
- I2S
- FTDI
- RS-232
- TTL serial
- Qw/ST (Qwiic/STEMMA QT) connector
- Qwiic
- [Qwiic Connect System - SparkFun Electronics](https://www.sparkfun.com/qwiic)
- uses jst
- Adafruit Stemma
- Grove/Gravity
- [DFRobot Gravity (Not Compatible) | Adafruit STEMMA & STEMMA QT | Adafruit Learning System](https://learn.adafruit.com/introducing-adafruit-stemma-qt/dfrobot-gravity)
- Not compatible with Stemma
- QT
- [[Coaxial cable]]
- [[TV aerial plug]]
- [[Optical fiber connector]]
- [[Phone connector (audio)]]
- [[Ethernet]]
- [[Modular connector]] - RJ45, RJ11
- [[Banana connector]]
- [[Crocodile clip]] (Alligator clip)
- [[HDMI]]
- [[Firewire]]
- [[DisplayPort]]
- [[RCA connector]]
- Composite video connector
- Component video connector
- [[Jump wire]]
- [[Antenna (radio)]]
- [[SMA connector]]
- [[U.FL (I-PEX)]]
## Soldering
- [Tools | Adafruit Guide To Excellent Soldering | Adafruit Learning System](https://learn.adafruit.com/adafruit-guide-excellent-soldering)
- [Video | Collin's Lab: Soldering | Adafruit Learning System](https://learn.adafruit.com/collins-lab-soldering)
## Multimeter
- [Overview | Multimeters | Adafruit Learning System](https://learn.adafruit.com/multimeters)
- [Video | Collin's Lab: Soldering | Adafruit Learning System](https://learn.adafruit.com/collins-lab-soldering)
## Breadboard, Perfboards, & Protoboards
- [Video | Collin's Lab: Breadboards & Perfboards | Adafruit Learning System](https://learn.adafruit.com/collins-lab-breadboards-and-perfboards)
## Pinout
[Pinout - Wikipedia](https://en.wikipedia.org/wiki/Pinout)
## Inbox #view/inbox
- Signal
- analog
- digital
- Firmware
- Flashing roms
- PCB