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I am a newbie with the Raspberry Pi. I want to measure Temperature Reading in 12/16 bit resolution. can someone guide me how CKT should be designed and How can read value using software.

usually arduino read analog voltage from 0-5VDC & rasberry pi will read analog voltage from 0-3.3V

For better resolution we can use MCP3008 series module.

if i have sensor with 0-5Vdc , 0-10Vdc and 4-20mA current output.Let me know recommended ckt

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MCP3008 is good for hobbyists. You may also consider MCP3204, 3208 etc. ADS1005, 1015 are also good. HX711 is low noise. If you have many places far away to sense temperature, you may like to consider DS18B20.

MCP3008

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DS18B20

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MCP3424

Reading analog sensor value of 0-10Vdc with 12/16bit resolution

ADS1115

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AD8232

can Raspberry Pi work exactly like Arduino? uploding arduino codes into raspberry pi

ADS1256

Separate SPI data

HX711

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PCF8591 MCP3204

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MCP3208

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PH-4502C pH meter (ADS1115/PCF8591/DS18B20)

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LTC1867

Reading only 0 from ADC using RPi SPI

.END

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