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E-Paper Adapter Board | SPI EPD Driver with Touch & Front Light, Compatible with Raspberry Pi & STM32 | STM32-FT01
Number of views:
1000
Product serial number
60800011
Category
HAT Adapter Board
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STM32-FT01 – E-Paper Adapter Board
All-in-one SPI e-paper adapter board with integrated front light and touch driver, featuring a 24-pin interface that drives all serial EPDs up to 13.3 inches. Supports touch panels of 7.5 inches and below, as well as 21V front light modules. Built-in DIP-switch resistor matching ensures flexible compatibility with various driver ICs. Fully compatible with both Raspberry Pi and STM32 platforms, streamlining prototyping and production development while significantly reducing project lead times.
Product Features
Engineered to solve real-world development challenges
Ⅰ
Instant RESE Matching
P3 DIP switch selects boost reference resistor: 0.47Ω (UltraChip) / 2.2Ω (Solomon & 4-color). No PCB rework.
Ⅱ
Pre-Validated Boost Circuit
Test points: PREVGH / PREVGL. Components: 10µH/1A or 47µH/500mA inductors · Si1304BDL/Si1308EDL MOSFETs · MBR0530 diode. -20°C ~ 70°C.
Ⅲ
Multi-Voltage Front Light
P2: 3.3V ↔ 9-21V • SS1: 9/12/15/21V selection • R14: continuous dimming. Front light and touch connectors are physically isolated to prevent accidental misinsertion damage.
Ⅳ
Dual-Platform Direct Plug-in
P1 (rear) → Raspberry Pi 40-pin · P8–P10 (rear) → DESPI-M02L. Prototype on Pi, develop on STM32. One board, two workflows.
Ⅴ
Touch Panel Support
P6 for ≤2.9" • P7 for ≥3.7". Note: 2.9" and 7.5" touch panels require reverse insertion. Enables seamless touch + EPD collaboration.
Ⅵ
EPD FPC & Waveform OTP
P5: 24-pin, 0.5mm pitch. Insert display-side up, press latch. Waveforms pre-burned into OTP — call built-in fast/partial refresh. No LUT tuning.
Ⅶ
Complete Development Ecosystem
Keil4 example code · full docs · 58.6 × 54.7 mm · 3.3V (front light 5V). 18 years EPD expertise. Validate EPD + touch + light in days, not months.
Ⅷ
Raspberry Pi & DESPI-M02L
All interface connectors on the rear side for clean stacking. Test EPD display, touch driver, and front light — whether prototyping on Pi or developing on STM32.
Annotated Diagram of the Driver Board
①
Front Light Voltage Setting
②
Front Light Brightness Control
③
Front Light Power Supply
④
E-paper Resistance Selection
⑤
Touch Screen Interface
⑥
E-paper Interface
⑦
Front Light Voltage Selection
⑧
Front Light Interface
⑨
Raspberry Pi Interface
⑩
DESPI-M02L Main Board Interface
Technology Highlights
Smart Resistor Matching
1. 0.47Ω – UltraChip (UC) series driver ICs
2. 2.2Ω – Solomon (SSD) series driver ICs
3. 2.2Ω – Four-color (B/W/R/Y) e-paper displays
Multi-Function Ports
- E-Paper FPC Interface (24-Pin, 0.5mm)
- Touch Panel Interface (P6/P7)
- Front Light Interface (P0/P2/SS1/R14)
Debugging & Testing
- PREVGH – Positive high-voltage test point
- PREVGL – Negative high-voltage test point
- GND – Common ground test point
STM32-FT01 Platform Compatibility
Raspberry Pi 3.0+ Compatibility
- ✓ Plug-and-play setup
- ✓ No extra wiring needed
- ✓ Space-saving design
- ✓ Stable and reliable connection
- Direct Connection: P1 interface (rear side)
DESPI-M02L Mainboard Compatibility
- ✓ E-paper display testing
- ✓ Touchscreen driver testing
- ✓ Front-light display testing
- ✓ Full STM32 development workflow
Multi-Interface Connection: P8–P10 interface group (rear side)
How to Drive Front-Light Touchscreens Efficiently: Examples
Beyond the Product: Our Four Pillars
Keyword:
SPI EPD Driver
E-Paper Adapter Board
Related information download
Categories:
STM32
File size:
2.1M
Number of downloads:
2
2026-08-28 13:55:59
Categories:
STM32
File size:
1.5M
Number of downloads:
2
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Categories:
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File size:
650KB
Number of downloads:
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