FFC33232-2211
Description
This controller model was a test bed for software development and manufacturing.
Status: Unreleased
Hex: 0x32322211
Number of Inputs: 32
Number of Outputs: 32
Power Input
- Minimum: 10.5VDC
- Recommended: 12VDC 3A
- Maximum: 26VDC
Form Factor: Rack Mount
MCU
Espressif Systems ESP32-WROVER-E-N16R8 with 16MB Flash Storage
I2C Addresses
| Address | Usage | Notes |
|---|---|---|
| 0x20 | Input Ports 1-4 | |
| 0x21 | Input Ports 5-8 | |
| 0x22 | Input Ports 9-12 | |
| 0x23 | Input Ports 13-16 | |
| 0x24 | Input Ports 17-20 | |
| 0x25 | Input Ports 21-24 | |
| 0x26 | Input Ports 25-28 | |
| 0x27 | Input Ports 29-32 | |
| 0x40 | Output Ports 1-16 | |
| 0x42 | Output Ports 17-32 | See Known Issues and Defects |
| 0x70 | Output All-Call | Not used |
| 0x48 | Temperature Sensor | |
| 0x50 | External EEPROM | |
| 0x3C | OLED Display | Variable, check display configuration |
Inputs
- 4 banks of 8-RJ45 connectors without LEDs
- 9VDC output (one per bank of 8-RJ45 connectors) to pins 4 & 5
Outputs
- 16 double-stack 90 degree 5.08mm pluggable terminal block
- 9VDC output pins 1 & 2. ⚠️ See Known Issues and Defects because this pinout changed after this version.
Network
Network connectivity is via Ethernet using a W5500 chipset featuring an RJ45 connector with status LEDs.
WiFi is not enabled.
Bill of Materials
Prices are each, USD, exclusive of tax/tariff, or assembly prices.
| Use | Manufacturer | Manufacturer Model | Supplier | Supplier Part Number | Purchase Price | Notes |
|---|---|---|---|---|---|---|
| Master Control Unit | Espressif Systems | ESP32-WROVER-E-N16R8 | DigiKey | 1965-ESP32-WROVER-E-N16R8DKR-ND | 3.90 | 16MB |
| External EEPROM | Microchip Technology | 24LC024-I/MS | DigiKey | 24LC024-I/MS-ND | 0.42 | 2KB |
| Ethernet Controller | WIZNET | W5500 | LCSC/JLCPCB | C32843 | ||
| Ethernet Port | HANRUN | HR911105A | LCSC/JLCPCB | C12074 | ||
| 25MHz Crystal | YXC | X322525MRB4SI | LCSC/JLCPCB | C70593 | ||
| Temperature Sensor | NXP Semiconductors | PCT2075DP,118 | LCSC/JLCPCB | C192518 | ||
| Input Ports | CONNFLY Elec | DS1131-S80BP | LCSC | C77853 | 2.6982 | |
| Input Controller | NXP Semiconductors | PCA9555PW,118 | LCSC/JLCPCB | C128392 | ||
| OLED Display | Feiyang | 0.91" 128x32 White | AliExpress | 2251832485919024 | 1.595 | Based on Vishay OLED-128O032D-LPP3N00000 |
| Power Input Port | Ningbo Kangnex Elec | WJ2EDGRC-5.08-2P | LCSC | C3697 | 0.027197 | |
| Power Input Plug | Ningbo Kangnex Elec | WJ2EDGK-5.08-2P | LCSC | C71370 | 0.107783 | |
| Output Ports | Cixi Kefa Elec | KF2EDGRH-5.08-2*3P | LCSC | C577721 | 0.2658 | |
| Output Plugs | Cixi Kefa Elec | HT508K-5.08-3P | LCSC | C577811 | 0.0898 | Low-profile |
| Output Controller | NXP Semiconductors | PCA9685PW,118 | LCSC/JLCPCB | C2678753 | ||
| I2C Logic Shifter | Texas Instruments | LSF0102DCUR | LCSC/JLCPCB | C964636 | ||
| Reset Switch | C&K | PTS645VL832LFS | LCSC | C285525 | 0.090682 | |
| Firmware Flash Button | XUNPU | TS-1088-AR02016 | LCSC/JLCPCB | C720477 | ||
| Front Panel Button Header | JST | B4B-XH-A(LF)(SN) | LCSC | C144395 | 0.055267 | |
| Power Supply: 3.3VDC | XLSEMI | XL1509-3.3E1 | LCSC/JLCPCB | C74193 | ||
| Power Supply: 5VDC | HGSEMI | LM2940S-5.0/TR | LCSC/JLCPCB | C434496 | ||
| Power Supply: 9VDC | Texas Instruments | LM2940S-9.0/NOPB | LCSC/JLCPCB | C134005 |
Reference Designs
None/Unreleased
3D Printed Parts
None/Unreleased
Known Issues and Defects
The following are known issues (and in some cases their improvements) with this hardware.
- Inoperative Ethernet due to poor design and missing SCSn
- Ethernet interrupt pin not implemented
- Address of Output Controller 17-32 incorrectly strapped to 0x42 instead of 0x41
- Adjusted board size incorrect and center holes do not align
- ⚠️ Pinout to outputs changed after this version
| Pin | 2211 Net | After 2211 Net |
|---|---|---|
| 1/2 | 9VDC (Green) | 0-5VDC (Red) |
| 3/4 | 0-5VDC (Red) | 9VDC (Green) |
| 5/6 | GND (Black) | GND (Black) |