Your browser isn’t supported any more. Update it to find the finest YouTube working experience and our hottest attributes. Learn moreCòn   là t?i gi? quay s? m? th??ng X? s? Mi?n B?c m? th??ng vào 18h15' hàng ngàyOscilloscope consumers know the way complicated triggering is usually. Utilizing the wrong options can lead to unstable waveform