Howtosignalprocessing
Does Raspberry Pi have an ADC?
The Pi does not include a hardware analog-to-digital converter, but an external ADC (such as the MCP3008) can be used, along with some SPI code in Python to read external analog devices. Here is a short list of some analog inputs that could be used with this setup: potentiometer. photocell.
Does rpi4 have ADC?
The analog-to-digital converter(ADC) is a common accessory for Raspberry Pi. This is a 4-channel ADC based on Texas Instrument's ADS1115, which is a precision, low-power, 16-bit ADC chip.
How to use ADS1115 with Raspberry Pi?
Interfacing IR sensors with Raspberry Pi via ADS1115/ADS1015
IR sensor has three pins – VDD, GND, and Out. Connect the Out pin of the IR sensor with any analog input pin of the ADS1015/ADS1115 and supply the positive and negative supply to the sensor from the Raspberry Pi itself.
