▍1. SPP-C
SPP-C 蓝牙转串口适配器模块组 替换HC-0506从机(SPP-C Bluetooth serial adapter module group to replace the HC-0506 the machine)
Writing Efficient C for ARM 基于ARM内核微处理器操作系统的移植 基于ARM的嵌入式开发(PDF ARM中国) ARM+DSP+CPLD开发板 s3c2410(arm9)protel99格式的原理图和PCB图(Writing Efficient C for ARM microprocessor-based ARM core operations transplantation of ARM-based embedded development (PDF ARM China) ARM DSP development board CPLD s 3c2410 (arm9) Protel format schematics and PCB plans)