Board-dat/MPC/MPC1098-dat/MPC1098-dat.md
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+
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+# MSP1098-dat
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+
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+https://www.electrodragon.com/product/raspberry-pi-gpio-shield-v2/
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+
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+- [[RS232-dat]], wiring as below
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+
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+| name | DB9_female OUT | RPI | note |
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+| ---- | -------------- | --------- | ---- |
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+| TXD | | IO14/TXD0 | |
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+| RXD | | IO15/RXD0 | |
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+| OUT | DB9 female 4 | | |
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+| IN | DB9 female 3 | | |
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+
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+- Infrared sender = IO17
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+- Infrared receiver = IO26
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+
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+- programmable button A == IO20
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+- programmable button B == IO21
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+
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+
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+## Infrared
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+
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+- [[Infrared-dat]]
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\ No newline at end of file
Tech-dat/Interface-dat/RS232-DAT/2025-02-18-17-07-04.png
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Tech-dat/Interface-dat/RS232-DAT/RS232-DAT.md
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# RS232 DAT
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+Male Connector
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+
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![](46-12-14-22-05-2023.png)
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+Male / Left and Female / Right Type Connector
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+
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![](2024-08-08-17-26-33.png)
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+A common Convert board
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+
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![](2024-08-08-17-29-43.png)
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- 公头的2引脚是RXD，母头的2引脚是TXD。5引脚是GND。
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- 公头的3引脚是TXD，母头的3引脚是RXD。
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+## Typical Circuit
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+
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+- based on chip [[SP3220-dat]], supply voltage 3.3V for [[RPI-dat]]
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+
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+![](2025-02-18-17-07-04.png)
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+
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## ref
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Tech-dat/Network-dat/Infrared-dat/2025-02-18-17-05-16.png
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Tech-dat/Network-dat/Infrared-dat/Infrared-dat.md
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-
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-
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## Boards
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- [[SIR1008-dat]]
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![](2024-12-20-18-08-22.png)
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+![](2025-02-18-17-05-16.png)
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+- Note RPI signal input better at 3V3
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+- refer to board [[MPC1098-dat]]
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+
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+legacy wiki page - [Infrared for RPI](https://www.electrodragon.com/w/index.php?title=RPI_IR&redirect=no)
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+
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## BOM
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- [[infrared-receiver-dat]] - [[infrared-sender-dat]]