raspberry pi temperature sensor ds18b20

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Raspberry Pi DHT11 temperature and humidity sensor

Github:https://github.com/hicrater/raspberry-dht11-temperature.gitFirst, look at the wiring Wiring diagram Vcc Cathode Pick up the Raspberry Pi 3.3v power supply (choose one on the line) GND Negative Pick up the Raspberry

Raspberry Pi Connection DHT11 temperature and humidity sensor (python)

Introduced The DHT11 is a cheap accessory that includes temperature and humidity sensors, and the code is easy to use. This article describes if you use DHT11 in a Raspberry Pi, the code is python. If you have any questions, please leave a comment below. Wiring VCC Connection 5V or 3.3V Data is connected to the Gpio (I'm picking up the B

DS18B20 Temperature Sensor

devices can be hung on the bus, with different device addresses to access different devices. Similarly, the 1-wire bus can hang multiple devices, but it has only one line, how to differentiate between different devices. There is a unique 64-bit long serial number inside each DS18B20, and this serial number value exists in the DS18B20 internal ROM. The first 8 bits are the product Type code (

Raspberry Pi study notes -- get Raspberry Pi CPU Temperature

as follows: APIKEY="U-ApiKey:ffa3826972d6cc7ba5b17e104ec5xxxx" APIURL="http://api.yeelink.net/v1.0/device/1949/sensor/2510/datapoints" curl --request GET --header $APIKEY $APIURL[Returned results] {"timestamp": "2014-07-28t20: 56: 51", "value": 49.23} Yeelink V1.1 API: Modify the API version number in the preceding script, and change V1.0 to V1.1. From the returned results, we can find that the API version 1.1 returns more information. [Ret

Raspberry Pi Study Notes-regularly upload Raspberry Pi CPU temperature to yeelink

programs after startup. [2] when the air conditioner in the room is turned off, the Raspberry Pi CPU temperature increases from 42.2 degrees to 47.1 degrees, in line with actual expectations, indicating that the experiment was successful. [3] Let's use another example to store the temperature to the database, and use

STM32 Single chip microcomputer learning (one) DS18B20 temperature sensor experiment

STM32 Single chip microcomputer learning (one) DS18B20 temperature sensor experiment The main realization of this programDS18B20 Temperature SensorData acquisition, and leveragingSerial CommunicationTransfer the temperature data to the computerNote: The use of the general Sc

Example of reading temperature sensor DS18B20

parameters: Returns a byte read back from Ds18b20 * Description: Need to configure IO, software delay to accurate * Example: no ***************************************************************** */unsigned char ds18b20_readbyte (void) {unsigned char i,retd=0; for (i=0;i Write Bytes /* ********************************************************************** * Name: ds18b20_writebyte () * Function: Writing section * Entry parameter:

Use of common Raspberry Pi Peripheral Sensor tutorial (Turn)

distance of the obstacle. The Grove-ultrasonic Ranger has four pins, namely power supply, ground, signal pin, and one pin dangling. Connect the Raspberry Pi and module as follows: After checking out the code from GitHub, enter it in the Raspberry Pi terminal lxterminal:CD "Grove–ultrasonic Ranger"sudo python ultrason

Can Raspberry Pi (Raspberry Pi) be like an Arduino external sensor, controller?

The answer is yes. There are 26 pins on the Raspberry Pi Board, these gpio (general purpose I/O) including SPI, I²c, serial UART, 3V3 and 5V power supply. Domestic forum There is an article "RASPBMC Setting Infrared receiver" describes how to install the RASPBMC operating system for Raspberry Pi, install the infrared

Use of common Raspberry Pi peripheral sensor

, signal pin, and one pin dangling. Connect the Raspberry Pi and module as follows: After checking out the code from GitHub, enter it in the Raspberry Pi terminal lxterminal:CD "Grove–ultrasonic Ranger"sudo python ultrasonic.pyThe Raspberry

Monitor Raspberry Pi CPU temperature changes through the Yeelink platform

from the Yeelink website, combined with open source hardware or yeelink dedicated hardware, Almost without any programming, you can create quite complex iphone remote switches, remote water heaters, or DIY works such as PM2.5 detectors.Yeelink platform address is http://www.yeelink.net/, registration is very simple, after registration, we can in the "Account settings" to obtain the exclusive API KEY.API key is very important, the next step to modify the Python program upload data to the Yeelink

Raspberry Pi B + regularly uploads CPU GPU temperature to IOT yeelink, raspberryyeelink

. Of course, there are smartphones and apps. The application account is very simple on the official website even detailed instructions: http://www.yeelink.net/ What is important is that we need to add two devices, one being the CPU temperature and the other being the GPU temperature. here we need to get two important things, that is, the destination for writing the program message POST (applied by ourselves

Raspberry Pi on the Cloud (2): Uploading sensor data to AWS IoT and leveraging Kibana for presentation

Raspberry Pi on the Cloud (1): Environment preparationRaspberry Pi on the Cloud (2): Uploading sensor data to AWS IoT and leveraging Kibana for presentation1. Sensor installation and configuration 1.1 DHT22 installationThe DHT22 is a tem

Raspberry Pi B + timing to IoT Yeelink uploading CPU GPU temperature

Raspberry Pi B + timing to IoT Yeelink uploading CPU GPU temperatureHardware platform: Raspberry Pi B +Software platform:1 Installing the Requests LibraryFirst we have to solve the requests library, when we send to Yeelink POST message will use: R = Requests.post (Apiurl, Headers=apiheaders, Data=json.dumps (payload))I

Raspberry Pi Learning Note--python sqlite query history temperature

Tags: Raspberry Pi CPU Temperature0 PrefaceThis article through the Python SQLite query Raspberry Pi CPU temperature history data, in the previous blog post has introduced the Raspberry Pi

Raspberry Pi qt--Tray Display CPU temperature (1)

This article refers to the following articles: Xukai871105 's csdn: Raspberry Pi Study notes-get Raspberry Pi CPU Temperature A brief book on the landscape: several ways to set up a Raspberry

Raspberry Pi Learning Note--python sqlite insertion temperature record

Tags: Raspberry Pi sqlite python0 PrefaceThis article uses Python to insert the Raspberry Pi temperature data into the SQLite database, and the SQLite database contains a record table with only three fields-parameter name, time and tempe

Raspberry Pi connects 9-axis IMU sensor (GY-85 module)

! [GY-85] (http://images.cnblogs.com/cnblogs_com/hangxin1940/466697/o_gy85.jpg "GY-85 ") 9-axis IMU sensor (GY-85 module) can also be seen as three modules 'itg3205 Three-Axis Gyroscope sensor ''' adxl345 three-axis accelerator tilt sensor ''' hmc5883l Electronic Compass' The GY-85 Module Interface is I2C and can be easily linked to the Arduino/

Raspberry Pi led+ buzzer + sound sensor + IR module combination to create Voice/IR control LEDs

Yesterday made the control led, played the first, the rest of the feeling is very simple, here recordJust a couple of photos.Play the honey module only to find the law, generally this module, there will be three pins, VCC (3.3V or 5V power supply output PIN), GNC (for Gpio pin of GNC), out/(I/O) (corresponding to the gpio number of pins), if it is necessary to send information to the Raspberry Pi, This modu

Raspberry PI Model B + (LCD display CPU temperature)

Title:raspberry PI Model B + (LCD display CPU temperature)--2015-01-29 17:44Bought a block connected to the raspberry PI Model B + LCD display, the above does not write CPU temperature, processing the next.Modified PCD8544_RPI.C:/*============================================

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