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  2. List of Arduino boards and compatible systems - Wikipedia

    en.wikipedia.org/wiki/List_of_Arduino_boards_and...

    A low cost Arduino clone using the ATmega168/ATmega 328/ATmega 8 and designed for prototyping, it includes onboard peripherals such as an RGB LED, switches, IR LED, TSOP and LDR. Japanino [ 101 ] ATmega168 [ 39 ]

  3. RP2040 - Wikipedia

    en.wikipedia.org/wiki/RP2040

    NeoPixel LED, Micro SD QT Py RP2040 [26] Adafruit 22×18×6 14 Reset Button/ Boot Button USB-C STEMMA QT 8 MB 13 4 BOOTSEL + RESET 3.3vdc regulator, NeoPixel LED Pro Micro – RP2040 [27] Sparkfun: 36×18 24 4+2 USB-C QWIIC 16 MB 20 4 BOOTSEL + RESET Thing Plus RP2040 [28] Sparkfun 59×23 28 JTAG pins USB-C QWIIC, lipo battery 16 MB 18 4 ...

  4. Comparison of single-board microcontrollers - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_single-board...

    inviot U1 (arduino-compatible) all-in-one board with LCD, rotary encoder, RTC DS3231, EEPROM, buzzer, push buttons, RGB Led, NRF24 plug, and ESP8266 plug. More Added Features: ATmega328P-PU with UNO bootloader; LCD 20x4 2004; Rotary encoder; 2x push buttons, RGB Led, power led; Buzzer; RTC clock DS3231; EEPROM; NRF24 Plug; ESP8266 Plug; SD card ...

  5. Light-emitting diode - Wikipedia

    en.wikipedia.org/wiki/Light-emitting_diode

    An RGB LED projecting red, green, and blue onto a surface Mixing red, green, and blue sources to produce white light needs electronic circuits to control the blending of the colors. Since LEDs have slightly different emission patterns, the color balance may change depending on the angle of view, even if the RGB sources are in a single package ...

  6. Arduino Uno - Wikipedia

    en.wikipedia.org/wiki/Arduino_UNO

    The Arduino Uno is an open-source microcontroller board based on the Microchip ATmega328P microcontroller (MCU) and developed by Arduino.cc and initially released in 2010. [2] [3] The microcontroller board is equipped with sets of digital and analog input/output (I/O) pins that may be interfaced to various expansion boards (shields) and other circuits. [1]

  7. Arduino Nano - Wikipedia

    en.wikipedia.org/wiki/Arduino_Nano

    The Arduino Nano is an open-source breadboard-friendly microcontroller board based on the Microchip ATmega328P microcontroller (MCU) and developed by Arduino.cc and initially released in 2008. It offers the same connectivity and specs of the Arduino Uno board in a smaller form factor.

  8. Man who attacked, then rescued, ex-wife hoped to be her hero

    www.aol.com/news/man-attacked-then-rescued-ex...

    Her assailant strangled her nearly unconscious twice. Morgan Metzer: It's the worst feeling in the world to think you're dying. And you feel like you're going to be tortured beforehand.

  9. Arduino - Wikipedia

    en.wikipedia.org/wiki/Arduino

    Power LED (red) and User LED (green) attached to pin 13 on an Arduino-compatible board Most Arduino boards contain a light-emitting diode (LED) and a current-limiting resistor connected between pin 13 and ground, which is a convenient feature for many tests and program functions. [ 76 ]