DS18B20 Temperature Sensor with Raspberry Pi

One Wire temperature sensor DS18B20 is very popular and easily available because they are quite cheap and provide satisfactory precision of temperature readings. One wire DS18b20 has operating temperature range from -55°C to +125°C with accurate to ±0.5°C. DS18B20  can easily interface with Raspberry Pi. This sensor has three pins: VCC, GND and DATA. The voltage range is between 3.0 to 5.5 so this can be easily interfaced with raspberry pi. To communicate with the sensor 1-wire protocol is used.…

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Battery Powered Arduino DS18B20 Temperature Sensor

18650 battery powered Arduino DS18B20 temperature sensor would lost on average 2 years without to re-charge or replace the battery. It is best to use 3.3v Arduino Pro Mini with lower clock speed to conserve battery. To optimize battery life further you can remove power LED and status led connected to Arduino pin 13. Check out PiHome Shop for all you need for your Smart Heating 18650 battery powered temperature sensors are feed power to Arduino mini through raw pin…

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Connect Arduino with nRF24L01 Radio

The nRF24L01+ transceiver module uses the 2.4GHz band and it can operate with baud rates from 250kbps up-to 2Mbps true ultra low power and low cost transceiver. nRF24L01+ communicate with Arduino via SPI interface and it consumes around 12mA with operating voltage from 1.9v to 3.3v. nRF24L01+ can communicate with other nRF transceiver modules and it can reach 100m in clear line of sight with lower baud rate. In this article I will explain you how to connect nRF24L01 with…

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One Wire Temperature Sensor – DS18B20 to MySQL/MariaDB Database

If you followed instructions on how to connect One Wire DS18B20 to Raspberry pi gpio then next step would be how to take temperature readings from DS18B20 One Wire digital temperature sensor and store these readings to MySQL/MariaDB database. As you may know that each DS18B20  One Wire digital temperature sensor has a unique 64-bit serial number wonderful part that we can have more then one DS18B20 One Wire digital temperature sensor connected to same 1-Wire bus. Check out PiHome…

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