It’s not that unusual to have ADC offsets. Sometimes vendor code hides it (PSoC), sometimes it’s in full view of everyone (ESP32). Sometimes you just have to do something tricky like running ...

Analog-to-digital converters, or ADCs, are somewhat monolithic devices for most users, a black box that you ask nicely for the value on its input, and receive a number in return. For most readers, … ...

Prestissimo Uno+ Arduino dev board with extra I2C UART SPI ADC IO and PWM channels. 2:24 pm November 5, 2018 By Julian Horsey.