Voltage Glitch Points changes

i am going Voltage Glitch and i found glitch point at

successes = 1, resets = 3, offset = -32.53723, width = 35.546875, ext_offset = 6

but after 2 days the glitch point was changed

successes = 1, resets = 3, offset = -28.90625, width = 35.546875, ext_offset = 6

and it changes in every 2-3 runs,
is it normal or am i going anything wrong

Yup, that’s normal. Basically glitching has some chance to work at good locations - it’s just fairly low for the STM32F3. If you increase the sample size enough, you should see more consistency.

Alex