add ADT7410 Adafruit IO Guide files
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95
adafruitio-adt7410/adafruit_io_adt7410.py
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95
adafruitio-adt7410/adafruit_io_adt7410.py
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"""
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'adafruit_io_adt7410.py'
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==================================
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Example of sending temperature
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values to an Adafruit IO feed using
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an ADT7410
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Dependencies:
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- Adafruit_Blinka
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(https://github.com/adafruit/Adafruit_Blinka)
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- Adafruit_CircuitPython_SSD1306
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(https://github.com/adafruit/Adafruit_CircuitPython_SSD1306)
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- Adafruit_CircuitPython_ADT7410
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(https://github.com/adafruit/Adafruit_CircuitPython_ADT7410)
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"""
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# Import standard python modules
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import time
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# import Adafruit SSD1306 OLED
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from PIL import Image, ImageDraw, ImageFont
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import adafruit_ssd1306
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# import Adafruit IO REST client
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from Adafruit_IO import Client
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# import Adafruit CircuitPython adafruit_adt7410 library
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import adafruit_adt7410
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# import Adafruit Blinka
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import board
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import busio
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import digitalio
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# Set to your Adafruit IO key.
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# Remember, your key is a secret,
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# so make sure not to publish it when you publish this code!
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ADAFRUIT_IO_KEY = 'ADAFRUIT_IO_KEY'
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# Set to your Adafruit IO username.
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# (go to https://accounts.adafruit.com to find your username)
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ADAFRUIT_IO_USERNAME = 'ADAFRUIT_IO_USERNAME'
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# Create an instance of the REST client
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aio = Client(ADAFRUIT_IO_USERNAME, ADAFRUIT_IO_KEY)
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# Set up `temperature` feed
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pi_temperature = aio.feeds('temperature')
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# Set up OLED
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i2c_bus = busio.I2C(board.SCL, board.SDA)
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oled_reset = digitalio.DigitalInOut(board.D21)
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disp = adafruit_ssd1306.SSD1306_I2C(128, 32, i2c_bus, reset=oled_reset)
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# Clear display.
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disp.fill(0)
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disp.show()
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# Create blank image for drawing.
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# Make sure to create image with mode '1' for 1-bit color.
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width = disp.width
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height = disp.height
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image = Image.new('1', (width, height))
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# Get drawing object to draw on image.
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draw = ImageDraw.Draw(image)
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# `sudo apt-get install ttf-mscorefonts-installer` to get these fonts
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font_big = ImageFont.truetype('/usr/share/fonts/truetype/msttcorefonts/Arial_Bold.ttf', 16)
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font_small = ImageFont.truetype('/usr/share/fonts/truetype/msttcorefonts/Arial_Bold.ttf', 12)
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adt = adafruit_adt7410.ADT7410(i2c_bus, address=0x48)
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adt.high_resolution = True
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time.sleep(0.25) # wait for sensor to boot up and get first reading
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while True:
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# clear screen
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draw.rectangle((0, 0, width, height), outline=0, fill=0)
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# Read the temperature sensor
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tempC = adt.temperature
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tempC = round(tempC, 2)
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# display the temperature on the OLED
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draw.text((0, 0), "Temp: %0.2F *C" % tempC, font=font_big, fill=255)
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# Send temperature to Adafruit IO
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print('Sending temperature {0} C to Adafruit IO'.format(tempC))
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draw.text((0, 16), "Sending...", font=font_small, fill=255)
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disp.image(image)
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disp.show()
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aio.send(pi_temperature.key, tempC)
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draw.text((0, 16), "Sending...Done!", font=font_small, fill=255)
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disp.image(image)
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disp.show()
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# Delay for 5 seconds to avoid timeout from adafruit io
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time.sleep(5)
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174
adafruitio-adt7410/adafruitio_adt7410.ino
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174
adafruitio-adt7410/adafruitio_adt7410.ino
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// Adafruit IO ADT7410 Example
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//
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// Adafruit invests time and resources providing this open source code.
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// Please support Adafruit and open source hardware by purchasing
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// products from Adafruit!
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//
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// Written by Ladyada and Brent Rubell for Adafruit Industries
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// Copyright (c) 2019 Adafruit Industries
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// Licensed under the MIT license.
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//
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// All text above must be included in any redistribution.
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/************************ Adafruit IO Config *******************************/
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// visit io.adafruit.com if you need to create an account,
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// or if you need your Adafruit IO key.
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#define IO_USERNAME "YOUR_IO_USERNAME"
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#define IO_KEY "YOUR_IO_KEY"
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/******************************* WIFI **************************************/
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// the AdafruitIO_WiFi client will work with the following boards:
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// - HUZZAH ESP8266 Breakout -> https://www.adafruit.com/products/2471
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// - Feather HUZZAH ESP8266 -> https://www.adafruit.com/products/2821
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// - Feather HUZZAH ESP32 -> https://www.adafruit.com/product/3405
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// - Feather M0 WiFi -> https://www.adafruit.com/products/3010
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// - Feather WICED -> https://www.adafruit.com/products/3056
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#define WIFI_SSID "WIFI_NAME"
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#define WIFI_PASS "WIFI_PASS"
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// comment out the following two lines if you are using fona or ethernet
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#include "AdafruitIO_WiFi.h"
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AdafruitIO_WiFi io(IO_USERNAME, IO_KEY, WIFI_SSID, WIFI_PASS);
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/************************** Configuration ***********************************/
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// time between sending data to adafruit io, in minutes
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#define MESSAGE_WAIT_SEC (15 * 60)
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/************************ Example Starts Here *******************************/
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#include <Wire.h>
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// adt7410 sensor
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#include "Adafruit_ADT7410.h"
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// featherwing oled
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#include <Adafruit_GFX.h>
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#include <Adafruit_SSD1306.h>
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#include <SPI.h>
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// Create the OLED display object
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Adafruit_SSD1306 display = Adafruit_SSD1306(128, 32, &Wire);
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// Create the ADT7410 temperature sensor object
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Adafruit_ADT7410 tempsensor = Adafruit_ADT7410();
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// set up the 'temperature' feed
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AdafruitIO_Feed *huzzah_temperature = io.feed("temperature");
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void setup()
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{
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// start the serial connection
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Serial.begin(115200);
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// wait for serial monitor to open
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while (!Serial)
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;
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Serial.println("Adafruit IO ADT7410 + OLED");
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display.begin(SSD1306_SWITCHCAPVCC, 0x3C); // Address 0x3C for 128x32
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Serial.println("OLED begun");
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// Show image buffer on the display hardware.
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// Since the buffer is intialized with an Adafruit splashscreen
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// internally, this will display the splashscreen.
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display.display();
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delay(1000);
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// Clear the buffer.
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display.clearDisplay();
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display.display();
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// Make sure the sensor is found, you can also pass in a different i2c
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// address with tempsensor.begin(0x49) for example
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if (!tempsensor.begin())
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{
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Serial.println("Couldn't find ADT7410!");
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while (1)
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;
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}
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// sensor takes 250 ms to get first readings
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delay(250);
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// connect to io.adafruit.com
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Serial.print("Connecting to Adafruit IO");
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io.connect();
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display.clearDisplay();
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display.display();
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display.setTextSize(1);
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display.setTextColor(WHITE);
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display.setCursor(0, 0);
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display.print("Connecting to IO...");
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display.display();
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// wait for a connection
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while (io.status() < AIO_CONNECTED)
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{
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Serial.print(".");
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delay(500);
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}
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// we are connected
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Serial.println();
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Serial.println(io.statusText());
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}
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void loop()
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{
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// io.run(); is required for all sketches.
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// it should always be present at the top of your loop
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// function. it keeps the client connected to
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// io.adafruit.com, and processes any incoming data.
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io.run();
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// Read and print out the temperature, then convert to *F
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float c = tempsensor.readTempC();
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Serial.print("Temp: ");
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Serial.print(c);
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Serial.println("C");
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// clear the display
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display.clearDisplay();
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display.display();
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// print to display
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display.setTextColor(WHITE);
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display.setTextSize(2);
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display.setCursor(0, 0);
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display.print("Temp:");
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display.print(c);
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// send data to adafruit io
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display.setCursor(15, 20);
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display.setTextSize(1);
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display.print("Sending...");
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display.display();
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Serial.println("Sending to Adafruit IO");
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delay(1000);
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huzzah_temperature->save(c, 0, 0, 0, 2);
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// sent to IO
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display.clearDisplay();
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display.display();
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display.setTextSize(2);
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display.setCursor(0, 0);
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display.print("Temp:");
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display.print(c);
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display.setTextSize(1);
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display.setCursor(15, 20);
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display.print("Sending...Done!");
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display.display();
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Serial.print("Waiting ");
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Serial.print(MESSAGE_WAIT_SEC);
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Serial.println(" seconds");
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// wait 15 minutes between sends
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for (int i = 0; i < MESSAGE_WAIT_SEC; i++)
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{
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delay(1000);
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}
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}
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