Controller Board
AssemblyUSB 3.0 or Bluetooth LE transceiver with FPGA or MCU routing display data to cell drivers. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Controller Board parts and their functions
7 top-level parts · 11 parts in total · full bill of materials below
| # | Part | Qty | What it does |
|---|---|---|---|
| 1 | USB Bridge IC | 1× | FT4232H or equivalent USB-to-parallel interface |
| 2 | BLE Wireless Module | 1× | nRF52840 module with antenna for wireless |
| 3 | Microcontroller | 1× | STM32H7 or similar high-speed coordinator |
| 4 | Gate Driver IC | 4× | 3.3V to 40V gate drivers for piezo switching |
| 5 | Bare PCB | 1× | 6-layer PCB for signal integrity |
| 6 | SMD Passive (R/C/L) | 1× | Capacitors, resistors, filtering network |
| 7 | Connector | 2× | USB-C and internal flat-flex connectors |
3D model
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Build & assembly graph
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Bill of materials for Controller Board
7 top-level lines · 7 rows shown · 11 parts total · indented to 3 levels| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | USB Bridge IC | braille-display-usb-bridge | 1× | 1 | · | part |
| 2 | BLE Wireless Module | braille-display-ble-module | 1× | 1 | · | part |
| 3 | Microcontroller | mcu | 1× | 1 | · | part |
| 4 | Gate Driver IC | braille-display-level-shifter | 4× | 4 | · | part |
| 5 | Bare PCB | pcb-bare | 1× | 1 | · | part |
| 6 | SMD Passive (R/C/L) | smd-passives | 1× | 1 | · | part |
| 7 | Connector | connector | 2× | 2 | · | part |
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Where the controller board is used
1 product across 1 domain contain it, directly or inside a sub-assemblyUsed in 1 assembly
Sourcing: possible vendors
Browse the supplier directory → Prices, MOQ, and lead times are algorithmic estimates, not quotes, and not claims about these companies. Company mappings are curated by keyword; est. price band $1–$200. How estimates work| Vendor | HQ | Specialty | MOQ | Lead time |
|---|---|---|---|---|
|
🇨🇳JLCPCB
jlcpcb.com ↗
|
Shenzhen, CN | PCB fabrication | 100 pcs | 2–4 wks |
|
🇨🇳PCBWay
pcbway.com ↗
|
Shenzhen, CN | PCB fab & assembly | 100 pcs | 2–4 wks |
| scc.com.cn ↗ | Shenzhen, CN | PCB manufacturer | 100 pcs | 2–4 wks |
| shogini.com ↗ | Mumbai, IN | PCB manufacturer | 100 pcs | 2–4 wks |
| venture.com.sg ↗ | Singapore | Electronics contract mfg | 100 pcs | 2–4 wks |