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test59_TRIGU
- VHDL generating of trig signal microsemi project
test60_TRIGD
- VHDL generating of trig down signal microsemi project
13.0 超声波测距（数码管显示）
- 超声波测距 Trig ------- P2^1; Echo ------- P2^0; VCC -------- +5v GND -------- GND 请在上电之前，检查好接线是否正确。(ultrasonic ranging Trig ------- P2^1; Echo ------- P2^0; VCC -------- +5v GND -------- GND)
Trig_Cheat_Sheet
- A set of important trignometeric formula cheatsheet.
超声波测距（LCD1602显示）
- #include<reg51.h> #include<intrins.h> #include"lcd.h" sbit Trig = P2^1; sbit Echo = P2^0; unsigned char PuZh[]=" Pechin Science "; unsigned char code ASCII[15] = {'0','1','2','3','4','5','6','7','8','
TRIG
- 触发USB设备工作，可以设置触发的时间间隔，(Trigger the USB device to work)