100 MHz, 2‑channel digital oscilloscope with deep memory for capturing and analyzing electronic signals during debugging.

The DS1102Z-E remains my bench scope of choice for hobby electronics and firmware bring-up. You get 100 MHz bandwidth, 1 GSa/s, and 24 Mpts of memory depth (12 Mpts standard, 24 Mpts via acquisition) for a fraction of what Tek or Keysight units cost. The UltraVision interface is fast enough to navigate segmented captures, zoom into I²C bursts, and decode UART packets without feeling sluggish, and Rigol’s serial decode options now ship unlocked on the -E models. I’ve used it to debug switching regulators, analyze SPI flashes, and capture intermittent glitches on a CAN bus—the deep memory and trigger options make it possible. The fan is audible in a quiet room and the 800x480 screen isn’t cutting-edge, but for a rock-solid 2-channel scope with math functions, protocol decode, and USB logging, it’s a workhorse I recommend to every makerspace.

Rigol DS1102Z-E 100MHz Digital Oscilloscope 2-Channel

Rigol DS1102Z-E Digital Oscilloscope

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Rigol DS1102Z-E Digital Oscilloscope