This document describes a temperature monitoring device that uses 4 LM35 temperature sensors to measure temperature in each corner of a room. The temperatures are displayed on an LCD screen and recorded by an Arduino Uno onto a micro SD card stored in .txt files. The summaries are stored minute-by-minute for long term monitoring and analysis of temperature changes in the room.
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LCD Keypad shield for Arduino includes a 16x2 LCD module and a 5 push button keypad for menu selection and user interface programming .All types of arduino boards,lcd with arduino board,diy robotics kits are available on robomart in cheap price and best quality.the link is given below https://www.robomart.com/robomart-arduino-uno-r3-1602-lcd-starter-kit-with-17-basic-arduino-projects
An introduction to the Arduino microcontroller for the Washington, DC Kids & Technology Meetup. Processing software, Arduino hardware were discussed. Several Arduino projects were demonstrated. Resources are posted here:
https://www.evernote.com/shard/s89/sh/6fd6ce79-c0b2-495e-b6f8-a4c4335cd284/9b1d07121e9f4b89106bcfcba6463bdf
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In this project time operated electrical appliances like lamp and AC motor is locally customized device capable of switching electrical devices with respect to time and can be used for both home and commercial purposes. In this project we will be able to control the on and off of your devices between the time you want. They may be a light or motor etc., we will use the arduino Mega 2560, and the RTC 1307 to show and control the time. You can set the "ON" hour and the "OFF" hour.
Arduino Uno is a microcontroller board based on 8-bit ATmega328P microcontroller. Along with ATmega328P, it consists other components such as crystal oscillator, serial communication, voltage regulator, etc. to support the microcontroller. Arduino Uno has 14 digital input/output pins (of which 6 can be used as PWM outputs), 6 analog inputs, a 16 MHz ceramic resonator, a USB connection, a power jack, an ICSP header, and a reset button.
Codesign-Oriented Platform for Agile Internet of Things Prototype DevelopmentJonathan Ruiz de Garibay
The Internet of Things offers a growing market open to new products. To be able to take advantages of this opportunity companies need to be able to quickly create prototypes of their products. Given the difficulties that the development of embedded devices presents, both on the hardware and software parts, it is a necessity to create tools that ease this process. In this paper we present a codesing-oriented platform that will help developers to create their prototypes in an agile manner. The presented platform simplifies the usage and integration of standardized peripherals and reduces the complexity of the development process. We also present a prototype created using the platform, showcasing its capabilities.
LCD Keypad shield for Arduino includes a 16x2 LCD module and a 5 push button keypad for menu selection and user interface programming .All types of arduino boards,lcd with arduino board,diy robotics kits are available on robomart in cheap price and best quality.the link is given below https://www.robomart.com/robomart-arduino-uno-r3-1602-lcd-starter-kit-with-17-basic-arduino-projects
An introduction to the Arduino microcontroller for the Washington, DC Kids & Technology Meetup. Processing software, Arduino hardware were discussed. Several Arduino projects were demonstrated. Resources are posted here:
https://www.evernote.com/shard/s89/sh/6fd6ce79-c0b2-495e-b6f8-a4c4335cd284/9b1d07121e9f4b89106bcfcba6463bdf
Designed keeping in mind the latest technology on a single board. It is really easy to design, experiment with, and test circuitry without soldering. Students can explore a wide variety of electronic concepts simply by placing components on to the breadboard. It is very useful in electronics laboratories for performing IoT experiments. It is also useful to build and test circuits as well as making projects related to IoT integrating with the cloud platform. visit https://researchdesignlab.com/esp32-development-board-trainer-kit.html for more details
Automatic irrigation system using ArduinoBalajiK109
In this project time operated electrical appliances like lamp and AC motor is locally customized device capable of switching electrical devices with respect to time and can be used for both home and commercial purposes. In this project we will be able to control the on and off of your devices between the time you want. They may be a light or motor etc., we will use the arduino Mega 2560, and the RTC 1307 to show and control the time. You can set the "ON" hour and the "OFF" hour.
STONE Tech is a manufacturer of HMI display modules (Intelligent TFT LCD). We provide LCD modules/LCD Displays, Graphic LCM, smart Display LCD, TFT LCM, Custom LCD Module Display, and LCD panels. china LCD Manufacturers.
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2. LATAR BELAKANG
Dalam suatu pengukuran temperature kita biasanya
menunggu guna memperoleh data tiap menit. Tetapi
kadang kala kita selalu meniggalkan pengukuran karena
ada kegiatan lain yang sama penting. Karna itu alat ini dibuat
untuk menyimpan data temperature supaya data pengukuran
tersimpan walaupun kita tinggalkan.
3. TUJUAN
Dapat mengetahui suhu ruangan yang terukur
Dapat menyimpan data temperature
Dapat mengetahui perubahan suhu ruangan
Dapat menganalisis data yang tersimpan guna
keperluaan akademik
4. DESKRIPSI ALAT
Alat ini mempunyai 4 buah sensor LM35 yang
ditempatkan pada tiap sudut ruangan ditampilkan pada
display LCD dan di record oleh arduino uno. Penyimpanan
data dengan micro sd module shield dan di simpan oleh
memori micro sd menit permenit temperaturenya. Data
yang disimpan oleh micro sd module berbentuk
.txt(notepad).
6. LM 35
LM35 TEMPERATURE SENSOR IS ONE TYPE OF SENSOR THAT
CONVERTS ELECTRICAL QUANTITIES TO THE TEMPERATURE SCALE
IN THE FORM OF VOLTAGE. LM35 HAS 3 PIECES PIN LEGS, PIN TO
INPUT POSITIVE VOLTAGE (+), PIN OUTPUT, INPUT PIN NEGATIVE
VOLTAGE / GND (-).
7.
8. LM 35
HOW the LM 35 measure???
Can operate at a voltage of 4 volts to 30 volts. Each
temperature of 1 degree Celsius will show a voltage of 10
mV.
equation:
Vout = 10 mV / 1ºC
That is, if the read voltage Vout = 500 mV, then the
temperature = 500mv / 10mV = 50ºC.
9. 35 ºC
Vout = 10 mV / 1ºC
That is, if the read voltage Vout = 500 mV, then the temperature = 500mv
/ 10mV = 50ºC.
EXAMPLE
10. Arduino use sensor LM 35
Read the output of LM35 goes into analog pin, Read data
already in the form of ADC conversion
Converting ADC = Vout / Vref * 1023
So it's not in the form of voltage magnitude again If
you want to know the LM35 output voltage using the
formula above:
Read voltage = Conversion ADC voltage reference * /
1024
11. MICRO SD SHIELD
The module (MicroSD Card Adapter) is a Micro SD card reader
module, and the SPI interface via the file system driver, microcontroller
system to complete the Micro SD card read and write files. Users can
directly use the Arduino IDE comes with an SD card to complete the
library card initialization and read-write
12. Features:
Support Micro SD Card, Micro SDHC card (high-speed card)
The level conversion circuit board that can interface level is 5V or 3.3V
Power supply is 4.5V ~ 5.5V, 3.3V voltage regulator circuit board
Communication interface is a standard SPI interface
4 M2 screw positioning holes for easy installation
Control Interface: A total of six pins (GND, VCC, MISO, MOSI, SCK, CS), GND to ground, VCC is the power
supply, MISO, MOSI, SCK is the SPI bus, CS is the chip select signal pin;
3.3V regulator circuit: LDO regulator output 3.3V as level converter chip, Micro SD card supply
Level conversion circuit: Micro SD card into the direction of signals into 3.3V, MicroSD card toward the
direction of the control interface MISO signal is also converted to 3.3V, general AVR microcontroller
system can read the signal
Micro SD card connector: yes since the bomb deck for easy card insertion and removal
Positioning holes: 4 M2 screws positioning hole diameter of 2.2mm, the module is easy to install
positioning, to achieve inter-module combination
Mirco SD Card Interface Module :(the last picture show)
-Control Interface : A total of six pins (GND, VCC, MISO, MOSI, SCK, CS), GND to ground , VCC is the
power supply , MISO, MOSI, SCK is SPI bus , CS is the chip select signal pin
3.3V voltage regulator circuit : LDO regulator output is 3.3V level converter chip , Micro SD card supply
Level conversion circuit : Micro SD card into the direction of the signal is converted to 3.3V, MicroSD card
interfaces to control the direction of the MISO signal is also converted into 3.3V, general AVR
microcontroller system can read the signal ;
Micro SD card connector : a self- bomb deck , easy card insertion .
Positioning holes : 4 M2 screws positioning hole diameter is 2.2mm, the positioning of the module is easy
to install , to achieve inter- module combination ;
13. LCD AND BACKPACK
This is another great LCD display compatible with I2C
bus and Gadgeteer modules. With limited pin resources,
your project will quicly run out of resources using normal
LCDs. With this I2C interface LCD module, you only need
2 lines (I2C)to display the information.If you already have
I2C devices in your project, this LCD module actually cost
no more resources at all. The adress can be set from
0x20-0x27.Fantastic for Arduino or gadgeteer based
projects.
14. Specifications LCD
•Supply voltage: 5V
•I2C Address:0x20-0x27(0x20 default)
•Back lit (Blue with white char color)
•Interface:I2C/TWI x1,Gadgeteer interface x2
•Adjustable contrast
•Size:82x35x18 mm
Specifications Bacpack PCF8574
• Compatible With Most Microcontrollers
• Low Standby-Current Consumption10 mA Max
• Latched Outputs With High-Current Drive
• I2C to Parallel-Port Expander Capability for Directly
Driving LEDs
• Open-Drain Interrupt Output
• Latch-Up Performance Exceeds 100 mA Per
JESD 78, Class II
15. RTC DS1302
A Real Time Clock Module with battery backup using the easy to
use DS1302 chip. The DS1302 chip uses a simple serial interface (see
datasheet) and example code is available for Arduino, Raspberry Pi
and many others.
16. Features
Real-Time Clock Counts Seconds, Minutes, Hours, Date of the
Month, Month, Day of the Week, and Year with Leap-Year
Compensation Valid Up to 2100
Serial I/O for Minimum Pin Count
2.0V to 5.5V Full Operation
Uses Less than 300nA at 2.0V
Single-Byte or Multiple-Byte (Burst Mode) Data Transfer for Read
or Write of Clock or RAM Data
Board Size: 44mm x 24mm
18. LANGKAH MERANGKAI
Siapkan alat dan bahan termasuk wadah misting
Wadah misting lubangi untuk keperluan shield micro
sd dan arduino
Buat jalur rangkaian pcb untuk pembagian tegangan
dan konektor pin arduino
Rangkai seperti gambar
Up load script data pada arduino.
19. SCRIPT ARDUINO#include <Wire.h>
#include <LiquidCrystal_I2C.h>
#include <SD.h>
#include <DS1302.h>
File myFile;
LiquidCrystal_I2C lcd(0x27, 16,2);
float tempc;
float tempc1;
float tempc2;
float tempc3;
int tempin = 0;
int tempin1 = 1;
int tempin2= 2;
int tempin3 = 3;
int a=1;
int b;
DS1302 rtc(2, 3, 5);
20. void setup()
{
lcd.begin();
Serial.begin(9600);
while (!Serial) {
; // wait for serial port to connect. Needed for Leonardo only
}
Serial.print("Initializing SD card...");
// On the Ethernet Shield, CS is pin 4. It's set as an output by default.
// Note that even if it's not used as the CS pin, the hardware SS pin
// (10 on most Arduino boards, 53 on the Mega) must be left as an output
// or the SD library functions will not work.
pinMode(10, OUTPUT);
if (!SD.begin(4)) {
Serial.println("initialization failed!");
return;
}
rtc.halt(false);
rtc.writeProtect(false);
}
25. LANGKAH PENGUJIAN DAN
DATA PENGUJIAN
Selama 2 jam pengukuran dengan waktu 1 menit
penyimpanan data yang tersimpan 21 kb sedangkan
memori 1.949.302kb.
1hari data=24jam/2jam=12x21kb=252kb/hari
1.949.302kb/252kb/hari=7.735hari
7.735/365=21 tahun
26. KESIMPULAN DAN SARAN
Data temperature lm35 yang terbaca oleh arduino
harus di ubah ke ADC supaya bisa terukur suhunya
oleh arduino.
Data yang tersimpan oleh shield micro sd berupa
txt(notepad)
Backpack yang terpasang pada lcd berguna untuk
memperkecil pin pada lcd
Saran
Untuk mempermudah sambungan pin dan untuk
menempel dengan benar seharusnya dipasan terminal
untuk memperkuat sambungan