Use secondary SPI interface as video shift register: https://youtu.be/vEfm9Pm9MkI
Arduino, Python, and Processing library source code for tethering the Esplora to a PC running Python/Processing.
Download the Esplora package for Processing
- Open http://github.com/dschmenk/Arduino in Safari.
- Click on 'Download ZIP' on right side of screen
- Drag the Downloads/Arduino-master folder to the Documents/Processing folder.
Start a new sketch, add the serial port library, import the Esplora module and see how easy it is to use. From the Processing menu, click through "Sketch/Add File..." and add the "Arduino-master/Processing/Esplora/Esplora_Processing.py" file.
add_library('serial')
from Esplora_Processing import Esplora
def setup():
Esplora.open(Serial)
def draw():
background(map(Esplora.readSlider(), 1023, 0, 0, 255))
If your Esplora needs to be programmed with the serial protocol firmware for use with Python, open the SerEsplora project in the Arduino IDE and update the Esplora.
Esplora.open(Serial): Open Esplora connection for use
return: None
Esplora.close(): Close Esplora connection
return: None
Esplora.writeLED(red, green, blue): Write RGB (or brightness) to LED
return: None
Esplora.writeBuzzer(hertz, duration): Write buzzer tone
return: None
Esplora.readJoystick(): Read joystick position
return: [-512..511, -512..511]
Esplora.readAccelerometer(): Read accelerometer values
return: [-512..511, -512..511, -512..511]
Esplora.readButtons(): Read 4 diamond pad buttons and joystick button
return: [0..1, 0..1, 0..1, 0..1, 0..1]
Esplora.readSlider(): Read slider value
return: 0..1023
Esplora.readLightSensor(): Read light level
return: 0..1023
Esplora.readMicrophone(): Read sound level
return: 0..1023
Esplora.readTempC(): Read temperature in Celsius
return: -100..200
Esplora.readTempF(): Read temperature in Fahrenheit
return: -100..200
Esplora.readDigital(pin): Read the value on a digital pin
return: 0..1
Esplora.readAnalog(pin): Read the value on an analog pin
return: 0..255
Esplora.writeDigital(pin, value): Write a value to a digital pin
return: None
Esplora.writePwm(pin, value): Write a value to an analog (PWM) pin
return: None
Esplora.tftSize(): Read the size of the TFT display
return: [tftWidth, tftHeight]
Esplora.tftBackground(red, green, blue): Fill TFT background with color
return: None
Esplora.tftFill(red, green, blue): Set fill color for 2D primitives
return: None
Esplora.tftStroke(red, green, blue): Set stroke color for 2D primitives
return: None
Esplora.tftNoFill(): Don't fill 2D primitives
return: None
Esplora.tftNoStroke(): Don't outline 2D primitives
return: None
Esplora.tftRect(xpos, ypos, width, height): Draw a rectangle
return: None
Esplora.tftLine(x1, y1, x2, y2): Draw a line
return: None
Esplora.tftCircle(xpos, ypos, radius): Draw a circle
return: None
Esplora.tftText(string, xpos, ypos): Draw a text string
return: None
Esplora.tftTextSize(size): Set the text size
return: None
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