In a recent blog post on omzlo.com, [Alain] explains how they found a bug in the Arduino SAMD21 analogRead() code which causes the output to be offset by between 25 mV and 57 mV. For a 12-bit ADC ...

Analog-to-digital converters, or ADCs ... that of the Atmel chip in an Arduino, by converting its output from an integer to a signed integer. It performs this task with a precision rectifier ...

The isolated analog input module presented here ... with a light-sender component and rig up the receiver module with another LM331 (plus a light-receiver component) as the frequency-to-voltage ...

This is an introduction to a single-channel, 12-bit, buffered voltage output digital-to-analog converter (DAC ... s a simple sketch for the initial test of the MCP4725 module. This experiment uses ...

However, additional components — a Wi-Fi shield and a Bluetooth module – are ... and solenoids. Arduino also upgraded the R4 WiFi's analog-to-digital converter (ADC), which is responsible ...