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1pc DIY Digital Oscilloscope Kit osciloscopio Electronic Learning Kit DSO138 kit 2.4" 1Msps usb handheld oscilloscope Brand New Features: Easy to assemble. Very useful for those who are engaged in the electronics. Kits using ARM Cortex-M3 processor (STM32F103C8), and includes a 2.4-inch color TFT display Available source, Capable people can be secondary development on the basis of the suite, for example, it can be changed to Millivoltmeter, data loggers, and so on (we don\' t supply any technical support about that) Specifications: Maximum real-time sampling rate: 1Msps Accuracy: 12Bit Sampling buffer depth: 1024 bytes Analog bandwidth: 0 - 200KHz Vertical Sensitivity: 10mV /Div - 5V / Div (1-2-5 progressive manner) Adjustable vertical displacement Input impedance: 1M&Omega Maximum input voltage: 50Vpp (1: 1 probe), 400Vpp (10: 1 probe) Coupling modes: DC / AC / GND The horizontal time base range: 10&mu s / Div - 50s / Div (1-2-5 progressive manner) With automatic, regular and one-shot mode, easy to capture the moment waveform Available rising or falling edge trigger Adjustable trigger level position Observable previous trigger waveform (negative delay) Can freeze at any time waveform display (HOLD function) Comes 1Hz /3.3V square wave test signal source PCB size: 117 x 76mm Screen size: 52 x 40mm Supply voltage: DC 9V Net weight: 142.2g Package includes: 1 x DIY Digital Oscilloscope Kit