Issues

• 10-14: first-board bring-up measurements and build notes

  documentation
  reiserlab/LED-Display_G6_Hardware_Arena#19 · Filter by author floesche opened on Oct 26, 2026

• 10-14: mark the six unused 33 Ω fan-out resistors as DNP

  enhancementgood first issue
  reiserlab/LED-Display_G6_Hardware_Arena#18 · Filter by author floesche opened on Oct 26, 2026

• 10-14 (optional): ESD protection or series resistance on the BNC signals

  enhancement
  reiserlab/LED-Display_G6_Hardware_Arena#17 · Filter by author floesche opened on Oct 26, 2026

• 10-14: LDO or LC filter on the ±15 V rails?

  question
  reiserlab/LED-Display_G6_Hardware_Arena#16 · Filter by author floesche opened on Oct 26, 2026

• 10-14: add an input capacitor at U82 (RB-0515D)

  enhancement
  reiserlab/LED-Display_G6_Hardware_Arena#15 · Filter by author floesche opened on Oct 26, 2026

• 10-14: add GND return vias next to the SPI clock and data vias

  enhancement
  reiserlab/LED-Display_G6_Hardware_Arena#14 · Filter by author floesche opened on Oct 26, 2026

• 10-14: I2C.SCL runs flush with the moat slot for 62 mm

  enhancement
  reiserlab/LED-Display_G6_Hardware_Arena#13 · Filter by author floesche opened on Oct 26, 2026

• 10-14: EINT jumper J4 only works if firmware leaves D33 as an input

  documentationquestion
  reiserlab/LED-Display_G6_Hardware_Arena#12 · Filter by author floesche opened on Oct 26, 2026

• 10-14: analog output (J29) scales with the +5V panel rail

  question
  reiserlab/LED-Display_G6_Hardware_Arena#11 · Filter by author floesche opened on Oct 26, 2026

• 10-14: analog inputs read full scale from +9.8 V up, and when left open

  question
  reiserlab/LED-Display_G6_Hardware_Arena#10 · Filter by author floesche opened on Oct 26, 2026

• Shared Teensy pin plan for the 10-14 and the 10-10 v2: PG on D38, IMON on A6

  documentation
  reiserlab/LED-Display_G6_Hardware_Arena#9 · Filter by author floesche opened on Oct 26, 2026

• 10-14 (deferred): MCP4725 at 5 V does not get a valid I2C high from the 3.3 V Teensy

  enhancement
  reiserlab/LED-Display_G6_Hardware_Arena#7 · Filter by author floesche opened on Oct 26, 2026

• 10-14 (deferred): DIO direction pins float until firmware sets them

  enhancement
  reiserlab/LED-Display_G6_Hardware_Arena#8 · Filter by author floesche opened on Oct 26, 2026

• 10-14: analog input clamp diodes D1/D2 have no current limit

  bug
  reiserlab/LED-Display_G6_Hardware_Arena#6 · Filter by author floesche opened on Oct 26, 2026

• 10-14 (deferred): no soft start for about 3.7 mF of load capacitance at power-on

  enhancement
  reiserlab/LED-Display_G6_Hardware_Arena#5 · Filter by author floesche opened on Oct 26, 2026

• Weak pull-ups on the Teensy→fan-out buffer inputs (CS, SCK, COPI) so panels see a defined bus with the Teensy off

  reiserlab/LED-Display_G6_Hardware_Arena#3 · Filter by author mbreiser opened on Sep 28, 2026