Tweeting Plant - using atTiny85, Raspberry Pi Zero and soil

Dec 16, 2020

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raspberry pi zero

attiny85

garden

Devices & Components

SparkFun Soil Moisture Sensor (with Screw Terminals)

ATtiny85

Raspberry Pi Zero

Software & Tools

twidge

Project description

Code

attiny85 code

arduino

Program atTiny85 using Arduino Uno

1#include <SoftwareSerial.h>
2#define RX    1         //  D1, Pin 6
3#define   TX    2         //  D2, Pin 7
4#define sensorPin 3  // D3, Pin 3 
5SoftwareSerial   toRaspberry(RX, TX); 
6void setup() {
7  pinMode(sensorPin, INPUT);
8  toRaspberry.begin(9600);
9}   
10void loop() {
11  int sensorValue = analogRead(sensorPin);  
12  toRaspberry.println(sensorValue);
13   delay(10000);
14}

#include <SoftwareSerial.h>
#define RX    1         //  D1, Pin 6
#define   TX    2         //  D2, Pin 7
#define sensorPin 3  // D3, Pin 3 
SoftwareSerial   toRaspberry(RX, TX); 
void setup() {
  pinMode(sensorPin, INPUT);
  toRaspberry.begin(9600);
}   
void loop() {
  int sensorValue = analogRead(sensorPin);  
  toRaspberry.println(sensorValue);
   delay(10000);
}

attiny85 code

arduino

Program atTiny85 using Arduino Uno

1#include <SoftwareSerial.h>
2#define RX    1         //  D1, Pin 6
3#define  TX    2         //  D2, Pin 7
4#define sensorPin 3  // D3, Pin 3 
5SoftwareSerial  toRaspberry(RX, TX); 
6void setup() {
7  pinMode(sensorPin, INPUT);
8  toRaspberry.begin(9600);
9}  
10void loop() {
11  int sensorValue = analogRead(sensorPin);  
12  toRaspberry.println(sensorValue);
13  delay(10000);
14}

#include <SoftwareSerial.h>
#define RX    1         //  D1, Pin 6
#define  TX    2         //  D2, Pin 7
#define sensorPin 3  // D3, Pin 3 
SoftwareSerial  toRaspberry(RX, TX); 
void setup() {
  pinMode(sensorPin, INPUT);
  toRaspberry.begin(9600);
}  
void loop() {
  int sensorValue = analogRead(sensorPin);  
  toRaspberry.println(sensorValue);
  delay(10000);
}

Raspberry Pi Zero

python

1#!/usr/bin/env python
2import time
3import serial
4import os
5import  random
6import sqlite3 as sl 
7def main():
8  ser = serial.Serial(
9   port='/dev/serial0',
10   baudrate = 9600,
11   parity=serial.PARITY_NONE,
12   stopbits=serial.STOPBITS_ONE,
13   bytesize=serial.EIGHTBITS,
14   timeout=1
15  )
16  x = ser.readline();
17  while (x == ''):
18    x = ser.readline();
19  print x
20  checkSituation(x.rstrip());  
21def checkSituation(x):
22  waterLevel = 1024 - int(x);
23  tweetText = '{}  --water level:{}';
24  if (waterLevel < 200):
25    tweetText = tweetText.format(getHelpTweet(),  waterLevel);
26  else:
27    tweetText = tweetText.format(getFineTweet(), waterLevel);
28  tweet(tweetText);
29  log(waterLevel); 
30def log(waterLevel):
31  con = sl.connect('plant.db');
32  sql = 'INSERT INTO PLANT_DATA (water_level, timestamp) values(?, ?)';
33  data  = (waterLevel, int(time.time()));
34  con.execute(sql, data);
35  con.commit();
36  con.close(); 
37def tweet(text):
38  command = 'twidge update "{}"'.format(text);
39  os.system(command);
40  print(command); 
41def getFineTweet():
42  fines =  ["I'm doing fine today :)",
43         "It's a beautiful day ;)",
44         "I  love my pot :)"];
45  return random.choice(fines); 
46def getHelpTweet():
47  helps = ["I need water!! :(",
48           "Somebody give me water, please",
49           "Anyone there to water me? :("]
50  return random.choice(helps); 
51if  __name__ == "__main__":
52  main()

#!/usr/bin/env python
import time
import serial
import os
import  random
import sqlite3 as sl 
def main():
  ser = serial.Serial(
   port='/dev/serial0',
   baudrate = 9600,
   parity=serial.PARITY_NONE,
   stopbits=serial.STOPBITS_ONE,
   bytesize=serial.EIGHTBITS,
   timeout=1
  )
  x = ser.readline();
  while (x == ''):
    x = ser.readline();
  print x
  checkSituation(x.rstrip());  
def checkSituation(x):
  waterLevel = 1024 - int(x);
  tweetText = '{}  --water level:{}';
  if (waterLevel < 200):
    tweetText = tweetText.format(getHelpTweet(),  waterLevel);
  else:
    tweetText = tweetText.format(getFineTweet(), waterLevel);
  tweet(tweetText);
  log(waterLevel); 
def log(waterLevel):
  con = sl.connect('plant.db');
  sql = 'INSERT INTO PLANT_DATA (water_level, timestamp) values(?, ?)';
  data  = (waterLevel, int(time.time()));
  con.execute(sql, data);
  con.commit();
  con.close(); 
def tweet(text):
  command = 'twidge update "{}"'.format(text);
  os.system(command);
  print(command); 
def getFineTweet():
  fines =  ["I'm doing fine today :)",
         "It's a beautiful day ;)",
         "I  love my pot :)"];
  return random.choice(fines); 
def getHelpTweet():
  helps = ["I need water!! :(",
           "Somebody give me water, please",
           "Anyone there to water me? :("]
  return random.choice(helps); 
if  __name__ == "__main__":
  main()

Downloadable files

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monur

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