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STD ST7796S Triple Adapter
ST7796S Triple Adapter
License
GPL 3.0
License: GPL 3.0Mode:
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Update time：
2024-08-30 11:38:05
Creation time：
2024-04-24 23:11:21
Description
Description
For use with the ST7796S 3.5" TFT SPI Touchscreen Display
Raspberry Pi Pico, Adafruit Feather, Adafruit QT Py/Seed Xiao Triple form factor display adapter board. You can mix and match 1 MCU with add-on boards from different form factors.
- SPI TFT Touch Display & SDCard confirmed working
- Stemma QT port (unassembled)
- 5V Neopixel breakouts with pins D11 & D12 close by.
- 6mm tactile reset button
- Interrupt pin not connected but a pad is available for use
- Footprint for use with: Adafruit Feather, Adafruit QT Py or Seed Xiao, Raspberry Pi Pico
- Intended for use with 1 MCU & 2 add-on board configuration
- All footprints have specific shared SPI & I2C pins + Stemma QT I2C.
One global reset button works for any combination of boards. StemmaQT plug on the bottom.
Adapter intended to plug into the back of the ST7796S display for use with microcontrollers.
Design Drawing
Design Drawing
schematic diagram
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| ID | Name | Designator | Footprint | Quantity | |
|---|---|---|---|---|---|
| 1 | PM254-2-12-S-8.5 | CN1 | HDR-SMD_24P-P2.54-V-M-R2-C12-S7.3 | 1 | C3975157 |
| 2 | HDR-F-2.54_1x6 | H4 | HDR-F-2.54_1X6 | 1 | C40877 |
| 3 | HDR-F-2.54_2x7 | H5,H6 | HDR-F-2.54_2X7 | 2 | C38844 |
| 4 | HDR-F-2.54_2x20 | H7,H8 | HDR-F-2.54_2X20 | 2 | C50982 |
| 5 | button6*6*8 | RESET | KEY-6.0*6.0-2 | 1 | C59982 |
| 6 | SOLDERJUMPER_CLOSED | SJ1,SJ5,SJ6,SJ2 | SOLDERJUMPER_CLOSEDWIRE | 4 | |
| 7 | STEMMA QT | U3 | STEMMA QT | 1 | |
| 8 | PM254-2-16-S-8.5 | U1 | HDR-SMD_32P-P2.54-V-F-R2-C16-LS7.1 | 1 | C3975161 |
| 9 | HDR-F-2.54_1x10 | H1 | HDR-F-2.54_1X10 | 1 | C35445 |
| 10 | HDR-F-2.54_1x4 | H2,H3 | HDR-F-2.54_1X4 | 2 | C225501 |
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