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FFC3232-2505 ​

Description ​

Final product design, featuring a rack mount footprint with 32 inputs and 32 outputs. All hardware is functional and has been fully integrated in software.

Status: Ready for Production

Hex: 0x32322505

Number of Inputs: 32

Number of Outputs: 32

Form Factor: Rack Mount

Power Input ​

  • Minimum: 10.5VDC
  • Recommended: 12VDC 3A
  • Maximum: 26VDC

Pinout

MCU ​

Espressif Systems ESP32-WROVER-E-N16R8 with 16MB Flash Storage

I2C Addresses ​

AddressUsageNotes
0x20Input Ports 1-4
0x21Input Ports 5-8
0x40Output Ports 1-6
0x70Output All-CallNot used
0x48Temperature Sensor
0x50External EEPROM
0x3COLED DisplayVariable, check display configuration

Inputs ​

  • 4 banks of 8-RJ45 connectors without LEDs
  • Odd-numbered ports are on the top; even-numbered ports are on the bottom
PinWire ColorUsage
1White/OrangeChannel 1
2OrangeChannel 2
3White/GreenChannel 3
4Blue+9VDC
5White/Blue+9VDC
6GreenChannel 4
7White/BrownGround
8BrownGround

Outputs ​

  • 16 double-stack 90 degree 5.08mm pluggable terminal block
  • Odd-numbered ports are on the top; even-numbered ports are on the bottom

Pinout

PinWire ColorMeaning
VRedVariable (0-5VDC)
+GreenConstant (9VDC)
-BlackGround

Network ​

Network connectivity is via Ethernet using a W5500 chipset featuring an RJ45 connector with status LEDs.

Bill of Materials ​

Prices are each, USD, exclusive of tax/tariff, or assembly prices.

UseManufacturerManufacturer ModelSupplierSupplier Part NumberPurchase PriceNotes
To be populated when released to production

Reference Designs ​

Schematic

EasyEDA Project

Gerber Files

BOM

Pick and Place

PCB Top

PCB Bottom

3D Printed Parts ​

TBD

⚠️ Known Issues and Defects ​

The following are known issues (and in some cases their improvements) with this hardware.

  • TBD