Issues

• Consider ESD protection on the reset pushbutton

  256foundation/emberone00-pcb#58 · Filter by author rkuester opened on Mar 16, 2026
  2

• Consider watchdog-driven 3V3 bus reset for robust recovery

  256foundation/emberone00-pcb#57 · Filter by author rkuester opened on Mar 16, 2026
  3

• PGOOD reads "good" when VIN is absent

  256foundation/emberone00-pcb#56 · Filter by author rkuester opened on Mar 16, 2026
  4

• Consider series resistance on cross-domain signals

  256foundation/emberone00-pcb#55 · Filter by author rkuester opened on Mar 16, 2026

• RP2040 may attempt flash read before 3V3 rail is stable

  256foundation/emberone00-pcb#54 · Filter by author rkuester opened on Mar 16, 2026
  8

• VDD limited to ~3.16V by VDDIO LDO minimum input voltage

  bug
  256foundation/emberone00-pcb#53 · Filter by author rkuester opened on Feb 17, 2026
  4

  

• add load switch on 5V power to ASIC VDDIO

  enhancement
  256foundation/emberone00-pcb#52 · Filter by author skot opened on Sep 23, 2025
  

• order thicker PCBs

  enhancement
  256foundation/emberone00-pcb#51 · Filter by author skot opened on Sep 23, 2025
  

• Change Silkscreen to indicate 12-18V Input

  enhancement
  256foundation/emberone00-pcb#50 · Filter by author skot opened on Sep 11, 2025
  

• Fiducials ended up being holes

  bug
  256foundation/emberone00-pcb#49 · Filter by author skot opened on Aug 4, 2025
  

• C28 and C29 should be the same value

  bug
  256foundation/emberone00-pcb#47 · Filter by author skot opened on Jul 4, 2025
  1

  

• IC Current Monitor approaching end of life

  documentation
  Task

  256foundation/emberone00-pcb#46 · Filter by author econoalchemist opened on Jun 21, 2025
  1

• feature request: align LED with Libre Board's LED

  256foundation/emberone00-pcb#45 · Filter by author rkuester opened on Jun 9, 2025

• move TMP1075 temp sensors out of the way of the heatsink

  enhancement
  256foundation/emberone00-pcb#44 · Filter by author skot opened on Jun 9, 2025
  1

  

• Temperature / Power readings fail sometimes

  bug
  256foundation/emberone00-pcb#40 · Filter by author skot opened on May 1, 2025
  1

  

• Add reverse polarity protection?

  enhancement
  256foundation/emberone00-pcb#37 · Filter by author skot opened on Apr 24, 2025
  3

  

• Add a fan connector?

  enhancement
  256foundation/emberone00-pcb#36 · Filter by author skot opened on Apr 24, 2025
  

• add the "EOAP" for hacking possibilities.

  enhancement
  256foundation/emberone00-pcb#35 · Filter by author skot opened on Apr 24, 2025
  

• measure at least the first ASIC temp diodes

  enhancement
  256foundation/emberone00-pcb#34 · Filter by author skot opened on Apr 24, 2025
  

• add "BOOT" and RESET buttons for the RP2040

  enhancement
  256foundation/emberone00-pcb#32 · Filter by author skot opened on Apr 22, 2025
  1

  

• add protection on USB VUSB and data

  enhancement
  256foundation/emberone00-pcb#31 · Filter by author skot opened on Apr 21, 2025
  

• add pads for high side mosfet snubber resistors

  enhancement
  256foundation/emberone00-pcb#30 · Filter by author skot opened on Apr 19, 2025
  5

  

• Last ASIC in chain doesn't respond with VDD @ 3.6V

  bug
  256foundation/emberone00-pcb#29 · Filter by author skot opened on Apr 18, 2025
  1

  

• add TVS protection diodes on voltage regulator VIN and VOUT

  enhancement
  256foundation/emberone00-pcb#28 · Filter by author skot opened on Apr 18, 2025
  

• Low side snubbers need to be rated for higher current, and much closer to the mosfets

  bug
  256foundation/emberone00-pcb#27 · Filter by author skot opened on Apr 14, 2025
  1