I saw exactly the same ADC behavior on my G2 with updated FW 1.03 ; the saw-tooth wave showed up when I put the voltage source on A0 (or other AI ports). When the signal source is removed, the analog reading value is a stable value again.
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I saw exactly the same ADC behavior on my G2 with updated FW 1.03 ; the saw-tooth wave showed up when I put the voltage source on A0 (or other AI ports). When the signal source is removed, the analog reading value is a stable value again.