Deep Dive into the SainSmart DDS140 PC-Based USB Oscilloscope
: It likely has a digital display screen that shows numbers or text, possibly an LCD (Liquid Crystal Display) or LED (Light Emitting Diode) display, given the "DDS" prefix which could stand for Digital Display System. sainsmart dds140
Minus 1 point for the software, minus 0.5 for the encoder feel. Deep Dive into the SainSmart DDS140 PC-Based USB