增加 Ecology 大类.

Signed-off-by: lion.chan <cy187lion@sina.com>

Documents/Resources/资源网站.md

@@ -68,6 +68,7 @@
 - [在线转换文件](https://onlineconvertfree.com/zh/)
 - [RF Tools](https://rf-tools.com)
 - [LC 滤波器设计工具](https://rf-tools.com/lc-filter/)
+- [wokwi 开源硬件仿真(树莓派、Arduino等)](https://wokwi.com/)
 
 ## 2. 镜像网站
 

Ecology/01Studio/pyBoard/pyBoard_STM32F405_资源总结.md

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+# pyBoard (STM32F405) 资源总结
+
+- [pyBoard (STM32F405) 资源下载](https://download.01studio.cc/zh_CN/latest/micropython/pyboard/pyboard.html)
+- [MicroPython 文档（中文）](https://docs.01studio.cc/index.html)，分为
+  - Python 标准库和 micro 库
+  - MicroPython 特定库
+  - 各类开发板专用库

Ecology/RaspberryPI/Raspberry_Pi_Pico/Raspberry_Pi_Pico_资源总结.md

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+# Raspberry Pi Pico 资源总结
+
+## API、Demo 及网络资源
+
+- [Raspberry Pi Pico and Pico W 官网说明及资源](https://www.raspberrypi.com/documentation/microcontrollers/raspberry-pi-pico.html)
+- [MicroPython documentation](https://docs.micropython.org/en/latest/index.html)：分为
+  - Python standard libraries and micro-libraries
+  - MicroPython-specific libraries
+  - Port-specific libraries：其中 rp2 为 Raspberry Pi Pico 的 Port-specific library.
+- [MicroPython 文档(中文版)](http://www.86x.org/en/latet/index-2.html)
+
+## 特定功能代码段
+
+### 测量 PWM 周期和占空比
+
+```python
+from machine import Pin, PWM
+from rp2 import PIO, StateMachine, asm_pio
+import time
+
+@rp2.asm_pio(set_init=rp2.PIO.IN_LOW, autopush=True, push_thresh=32)
+def period():
+    wrap_target()
+    set(x, 0)
+    wait(0, pin, 0)  # Wait for pin to go low
+    wait(1, pin, 0)  # Low to high transition
+    label('low_high')
+    jmp(x_dec, 'next') [1]  # unconditional
+    label('next')
+    jmp(pin, 'low_high')  # while pin is high
+    label('low')  # pin is low
+    jmp(x_dec, 'nxt')
+    label('nxt')
+    jmp(pin, 'done')  # pin has gone high: all done
+    jmp('low')
+    label('done')
+    in_(x, 32)  # Auto push: SM stalls if FIFO full
+    wrap()
+
+@rp2.asm_pio(set_init=rp2.PIO.IN_LOW, autopush=True, push_thresh=32)
+def mark():
+    wrap_target()
+    set(x, 0)
+    wait(0, pin, 0)  # Wait for pin to go low
+    wait(1, pin, 0)  # Low to high transition
+    label('low_high')
+    jmp(x_dec, 'next') [1]  # unconditional
+    label('next')
+    jmp(pin, 'low_high')  # while pin is high
+    in_(x, 32)  # Auto push: SM stalls if FIFO full
+    wrap()
+
+pin16 = Pin(16, Pin.IN, Pin.PULL_UP)
+sm0 = rp2.StateMachine(0, period, in_base=pin16, jmp_pin=pin16)
+sm0.active(1)
+sm1 = rp2.StateMachine(1, mark, in_base=pin16, jmp_pin=pin16)
+sm1.active(1)
+
+pwm = PWM(Pin(17))
+pwm.freq(1000)
+pwm.duty_u16(0xffff // 3)
+
+# Clock is 125MHz. 3 cycles per iteration, so unit is 24.0ns
+def scale(v):
+    return (1 + (v ^ 0xffffffff)) * 24e-6  # Scale to ms
+
+while True:
+    period = scale(sm0.get())
+    mark = scale(sm1.get())
+    print(period, mark, mark/period)
+    time.sleep(0.2)
+```

Ecology/WaveShare/RP2040_LCD_096/RP2040_LCD_096_资源总结.md

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+# RP2040 LCD 096 资源总结
+
+- [RP2040-LCD-0.96](https://www.waveshare.net/wiki/RP2040-LCD-0.96#LCD1602_I2C_.E5.AE.9E.E9.AA.8C)
+- [微雪 Wiki 主页](https://www.waveshare.net/wiki/Main_Page)