开源串口，SPI，I2C和1-Wire开发工具
https://hardware.buspirate.com/作者进行了详细说明
原理图：
https://www.armbbs.cn/static/image/filetype/pdf.gif buspirate-5-rev10-schematic.pdf (2.07 MB)
https://img.anfulai.cn/dz/attachment/forum/202401/24/212150ezm8wu5j7tuq8rmu.png
https://img.anfulai.cn/dz/attachment/forum/202401/24/212154c8bjdc2dwpd3fkhz.png
https://img.anfulai.cn/dz/attachment/forum/202401/24/212203triq889zhriw93ya.png
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