arduino
https://www.arduino.cc/en/Products.Compare http://tronixstuff.com/2013/12/12/arduino-tutorials-chapter-22-aref-pin/
Uni R3
https://store-usa.arduino.cc/products/arduino-uno-rev3
INPUT VOLTAGE (LIMIT) 6-20V 、 7-12V
DC CURRENT PER I/O PIN 20 mA
OLED
I2C: 100Khz - 3.4Mhz, many devices on the same bus
SPI: 4Mhz and up to 100Mhz
IDE
Sketch Menu -> Include Library -> Manage Libraries
Search:
BusIO
+adafruit ssd1306
File -> Examples
SSD1306 Oled display: https://create.arduino.cc/projecthub/Arnov_Sharma_makes/0-96-inch-oled-getting-started-guide-78163a
// Declaration for an SSD1306 display connected to I2C (SDA, SCL pins)
// The pins for I2C are defined by the Wire-library.
// On an arduino UNO: A4(SDA), A5(SCL)
// On an arduino MEGA 2560: 20(SDA), 21(SCL)
// On an arduino LEONARDO: 2(SDA), 3(SCL), ...
File -> Examples ---> ssd1306_128x32_spi
// Declaration for SSD1306 display connected using software SPI (default case): #define OLED_MOSI 9 #define OLED_CLK 10 #define OLED_DC 11 #define OLED_CS 12 #define OLED_RESET 13
Cases
Pro Mini Mount: https://www.thingiverse.com/thing:2457807
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