Analogue Sensors – Calculate the Nonlinearity Introduced by a Load or Pull Down Resistor

Tecwyn Twmffat @ instructables.com discuss about the notlinearity introduced by adding a pull down resistor and why you may get unpredictable readings from your ADC.

For many years I found that I would get strange, unpredictable, readings from my sensor related projects at the maximum and minimum locations when using analogue digital convertors (ADCs). I always blamed this on poorly designed micro processors and never for once thought that it might be my own circuit designs at fault ….. until now.

Analogue Sensors – Calculate the Nonlinearity Introduced by a Load or Pull Down Resistor – [Link]