index.py

from flask import Flask, render_template, request, redirect
from flask_mysqldb import MySQL

app = Flask(__name__)

app.config['MYSQL_HOST'] = 'localhost'
app.config['MYSQL_USER'] = 'root'
app.config['MYSQL_PASSWORD'] = ''
app.config['MYSQL_DB'] = 'datasensor'

mysql = MySQL(app)

@app.route('/', methods=['GET', 'POST'])
def index():
    if request.method == "POST":
        data = request.form
        nama_ruangan = data['ruangan']
        suhu = data['suhu']
        kelembaban = data['kelembaban']

        cur = mysql.connection.cursor()
        cur.execute("""
            INSERT INTO sensor_data(nama_ruangan, suhu, kelembaban)
            VALUES (%s, %s, %s)
        """, (nama_ruangan, suhu, kelembaban))
        mysql.connection.commit()
        cur.close()

        return redirect('/')

    cur = mysql.connection.cursor()
    cur.execute("SELECT * FROM sensor_data ORDER BY waktu DESC")
    data = cur.fetchall()
    cur.close()

    return render_template('index.html', data=data)

if __name__ == '__main__':
    app.run(debug=True)