Tag Archives: analog

Teardown, repair & calibration of a Valhalla 2701C Programmable Precision DC voltage standard

in Teardowns by DP | 0 comments

A teardown and repair of a Valhalla 2701C Programmable Precision DC voltage standard from The Signal Path: In this episode Shahriar examines a faulty Valhalla 2701C Programmable Precision DC Reference instrument. Valhalla Scientific’s 2701C Programmable Precision DC Voltage Calibrator delivers ultra-precision, ultra-stable … Read more

Posted in Teardowns | Tagged , | Leave a comment

How to read several infrared sensors using one MCU pin

Oscar has written an article describing a technique he’s used for reading multiple analog sensors with one MCU ADC pin. He was designing a line-following robot and wanted to read several infrared sensors without having to dedicate an analog read … Read more