You can actually check the temperature of the CPU and GPU with a couple of simple commands that you can type in the command line, this is very useful as depending what you are doing with the Raspberry Pi both the CPU and GPU can…
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Raspberry Pi
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In this article we look at another absolute pressure sensor – this time its the LPS22HB The LPS22HB is an ultra-compact piezoresistive absolute pressure sensor which functions as a digital output barometer. The device comprises a sensing element and an IC interface which communicates through…
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The Raspberry Pi doesn’t have an RTC chip on it but with an expansion board you can add this A popular chip is the DS3231 , lets have a quick look at this chip The DS3231 is a low-cost, extremely accurate I²C real-time clock (RTC)…
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The Raspberry Pi doesn’t support any Analog to digital or digital to analog capabilities by default, so if you want to use analog sensors on Raspberry Pi, you will need some sort of external AD expansion board is required. A popular chip is the PCF8591,…
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The DS18B20 digital thermometer provides 9-bit to 12-bit Celsius temperature measurements and has an alarm function with nonvolatile user-programmable upper and lower trigger points. The DS18B20 communicates over a 1-Wire bus that by definition requires only one data line (and ground) for communication with a…
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This is a mini OLED which is designed for the Raspberry Pi, it can work with Pi 1, B +, Pi 2, Pi 3 and Pi Zero. We tried it on a Raspberry Pi 3 and a Pi Zero. The PiOLED comes with a monochrome…
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