This is an improved version of Jeremys Oscilloscope. Features include:- View, measure, and capture waveform in real time- Automatically calculate frequency, Vpp, and DC offset- Frequency from 0.1Hz to 20kHz- Input voltage from +/-1mV to +/-20V- ADC resolution: 8 to 10 bits (depending on sampling rate)- Sampling rate up to 50kHz- 16 different T/div from 5sec to 50us- 10 different V/div from 5V to 5mV- Powered by micro-USB cable- Providing charging power to the Android phone/tablet