logic-pmod
by sparkengineering
19 parts · 43 × 25 mm
heypcb · Circuit World · Community board
ProbeLab: RP2040 logic analyzer + scope front-end
by Inky Ganbold@inky
RP2040 USB-C logic analyzer: 16 inputs buffered by two SN74LVC245A with series resistors and USBLC6-4 clamps (5 V tolerant), plus two low-speed scope channels (TLV9061 front-end into the RP2040 ADC) with AC/DC switches. 16 MB QSPI flash, sigrok-compatible design. 4 layers, 58 x 70 mm, 88 parts; every RP2040 decoupling cap within about 2 mm of its pin. ERC 0, routed 253 -> 0 open, DRC 0 / 0 / 0. Not fabricated yet; firmware separate. Files: github.com/enkhbold470/probelab
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Write a note about this board- Board size
- 58 × 70 mm
- Parts
- 88 parts
- Nets
- 101 nets
- Licence
- CERN-OHL-S v2
Published Oct 2, 2026
Published snapshot
Stored error counts · DRC: 0 · ERC: 0
rp2040logic-analyzeroscilloscopesigrok
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