0-30K 250kHz Mini DIY Digital Oscilloscope for Educational Learning Measurement Electronic Maintenance

Features MCU STC8A8K64S4A12 27MHzSystem power supply 5V type power supplyDisplay 0 96inch or 1 3inchController One EC11 EncoderInput Single ChannelSec div 500ms 200ms 100ms 50ms 20ms 10ms 5ms 2ms 1ms 500us 200us 100us100us only available in Auto Trigger ModeVoltage Range 0 30VSampling Rating 250kHz 100us divHow to Operation Main Interface Parameter Mode Single Click Encoder Run Stop samplingDouble Click Encoder Enter Wave Scroll ModeLong Press Encoder Enter Settings InterfaceRotate Encoder Adjust parametersRotate Encoder While Pressing Switch between optionsMain Interface Wave Scroll Mode Single Click Encoder Run Stop samplingDouble Click Encoder Enter Parameter ModeLong Press Encoder Enter Settings InterfaceRotate Encoder Scroll waveform horizontally only available when sampling stopped Rotate Encoder While Pressing Scroll waveform vertically only available when sampling stopped Settings Interface Single Click Encoder N ADouble Click Encoder N ALong Press Encoder Return to Main InterfaceRotate Encoder Adjust parametersRotate Encoder While Pressing Switch between optionsPackage Included 1 x Mini OSC 0 96inch 1 3 inch display optional