Tweeting Plant - using atTiny85, Raspberry Pi Zero and soil

Dec 16, 2020

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raspberry pi zero

attiny85

garden

Components and supplies

SparkFun Soil Moisture Sensor (with Screw Terminals)

ATtiny85

Raspberry Pi Zero

Apps and platforms

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

Sketch

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monur

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