NOTICE: After 17 years, nootropic design is shutting down at the end of 2026. Some products are out of stock and no longer available. NOTICE: Orders received November 12-18 will be shipped November 19th. Sorry for the delay.Dismiss
Here is oscillograms with correct and wrong INT0 init – you were right, interrupt handler fires over and over during the whole vertical blanking interval (see channel 1).