ADC Notes

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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

  • Well, usually Rpi can also read between 0V ~ 5V. Some can even read -5V to +5V, or any range you would like to set. There are too many things to consider when selecting a sensor. I have given an anwer below on a couple of sensors, You might like to let us know more about your requirements, so I can expand or focus on the sensors for you particular situation. – tlfong01 3 hours ago   


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 minimum current(resistors value)


Pi can’t find 5th DS18B20


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


Seeed ADC (ADS1115) with Raspberry Pi 3 B+to read voltage values using python3


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


Separate SPI data


Connecting 4 HX711 to one Raspberry Pi

PCF8591 MCP3204

How to read ADC with low restance range


Reading Temp/Pressure with a single Raspberry Pi

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

Calibrate PH-4502C pH meter


Reading only 0 from ADC using RPi SPI


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