Progress Tracker

TODO

  • DCMT
  • IAQM
  • RLHT
  • SOLR
  • HEAT
  • LVAI
  • RLAY
  • SERV
  • THRM
  • USBP

Release Testing Tracker

  • ✅ Done
  • 🛠️ In Progress
  • ❌ Incomplete
  • ❓ Unknown

  • 🔁 Revising

    This is to track the procurement and testing of all the BREADS boards for release.

Name Schem PCB BOM Docs Review FW Test Notes Known Issues
Controller — — — — — — — — —
Nano_Original_Kicad ✅ ✅ ✅ 🛠️ ❌ - ❌ Nano v3.3 but w/out reg., button, D13 LED; uses USB mini-b —
can-nano-shield ✅ ✅ 🔁 ❌ ✅ ❌ ❌ Arduino Nano shield with MCP2515 & TJA1051/3 —
Design — — — — — — — — —
Slice_TEMP ✅ ✅ 🔁 ❌ ✅ - - 2 and 4 layer variants and 4 layer XL —
Slice_PRTO ✅ ✅ 🔁 ❌ ✅ - ❌ 2 layer: screw term conns, SMT-proto, and TH-proto —
2 layer — — — — — — — — —
Slice_AQDO ✅ ✅ 🔁 ❌ ❌ ❌ ❌ Analog frontend for galvanic (Clark‑type) oxygen electrode probes  
Slice_AQEC ✅ ✅ 🔁 ❌ ❌ ❌ ❌ Analog frontend for platinum redox ORP electrode probes  
Slice_AQOR ✅ ✅ 🔁 ❌ ❌ ❌ ❌ Analog frontend for two‑electrode conductometric (cell) sensor probes  
Slice_AQPH ✅ ✅ 🔁 ❌ ❌ ❌ ❌ Analog frontend for glass membrane pH electrode probes  
Slice_BUCK ✅ ✅ 🔁 ❌ ❌ ❌ ❌ Simple discrete component buck converter Needs advanced control programming
Slice_DCMT ✅ 🛠️ 🔁 ❌ ❌ 🔁 🔁 Fixed pin and layout, added back fuses Motor1 drive pin isnt PWM
Slice_HEAT ✅ 🛠️ 🔁 ❌ ❌ ❌ ❌ layout optimized, duplicated circuit. op-amp issues
Slice_IAQM 🛠️ 🛠️ 🔁 ❌ ❌ 🛠️ 🛠️ PCB of env-safety-monitor from PV Box paper. SD card footprint flipped
Slice_LEPD ✅ ✅ 🔁 ❌ ❌ ❌ ❌ For BR flow cell. Referencing Pioreactor, for OD. —
Slice_LOAD ✅ ✅ 🔁 ❌ ❌ ❌ ❌ Load cell ADC. —
Slice_LVAI ✅ 🛠️ 🔁 ❌ ❌ ❌ ❌ Analysis of cascaded amp. Needs expanded signal analysis capabilities
Slice_RLAY ✅ 🛠️ 🔁 ❌ ❌ ❌ ❌ Updated to latest BREADS TEMPlate, replaced terminals with standard. —
Slice_RLHT 🛠️ 🛠️ 🔁 ❌ ❌ 🔁 🔁 Changed terminals to standard ones, upgraded to MAX31855 —
Slice_RTDM ✅ ✅ 🔁 ❌ ❌ ❌ ❌ MAX31865 x4 for measuring 2-,3-, or 4-wire RTDs —
Slice_SERV ✅ 🛠️ 🔁 ❌ ❌ ❌ ❌ Redid voltage in sel. Past one behaved erratically, fried servos
Slice_STEP 🛠️ 🛠️ 🔁 ❌ ❌ ❌ ❌ NEEDS UPDATING. —
Slice_THRM ✅ 🛠️ 🔁 ❌ ❌ ❌ ❌ 3 vars: MAX6675 (A), MAX31855 (B), MAX31856 (C). —
Slice_USBP ✅ 🛠️ 🔁 ❌ ❌ ❌ ❌ Redid layout to be optimized, updated to latest BREADS TEMPlate. —
Slice_VCAC ✅ ✅ 🔁 ❌ ❌ ❌ ❌ curr. read (10,20,40A; same fp) + AC or DC volt. read, replaces CRXX —
Slice_VCDC ✅ ✅ 🔁 ❌ ❌ ❌ ❌ curr. read (10,20,40A; same fp) + AC or DC volt. read, replaces CRXX —
4 layer — — — — — — — — —
Slice_AOEM ✅ ✅ 🔁 ❌ ❌ ❌ ❌ Atlas Sci. pH/DO/ORP/EC OEM IC with onboard isolation —
Slice_GDHB ✅ ✅ 🔁 ❌ ❌ ❌ ❌ for large BDC motors —
Slice_FPSG ✅ ✅ 🔁 ❌ ❌ ❌ ❌ New for high speed strain gauge (load cell) measurements. —
Slice_SOLR 🛠️ 🛠️ 🔁 ❌ ❌ ❌ ❌ Targets 3 liion cells to generate 12V pwrsrc off-grid. —
Slice_THMX ✅ ✅ 🔁 ❌ ❌ ❌ ❌ using LTC2983 multi-channel, multi-temp sensor IC —

Order Sequence

  • First (May 2025)

    • All slices (current template)
    • ProtoKit
    • Koami board

  • Second (Fall 2025)

    • RPi Hub Hat
    • CAN backplane
    • All slices to newest template with revisions
    • BreakoutPack
    • CircuitBlocks
    • DevBoardDepot