translate src/pin to chinese

src/zh/overlay/3v3-power.md

@@ -9,12 +9,12 @@ pin:
   '1':
   '17':
 -->
-# 3v3 Power
+# 3v3 供电
 
-All Raspberry Pi models since the B+ can provide up to 500mA on the 3v3 pins, thanks to a switching regulator. In some cases it may be possible to draw more but, due to lack of documentation and testing on the actual limits, 500mA is given as a rule of thumb.
+由于添加了开关稳压器，所以从树莓派 1 代 B+ 开始的所有型号，3v3 供电引脚都支持输出高达 500mA 的电流。在某些情况下也许可以输出更大的电流，但是我们并没有找到相关文档，也没有实际测试过，所以 500mA 是根据经验给出的合理值。
 
-The 3v3 supply pin on the early Raspberry Pi had a maximum available current of only 50mA.
+早期树莓派的 3v3 引脚最大只支持输出 50mA 的电流。
 
-The 5v supply coupled with a 3v3 regulator is recommended for powering 3.3v projects.
+如果想给 3.3v 的设备供电，建议使用 5v 供电引脚并配合 3v3 稳压器输出。
 
-The Piversify blog has [an exploration of the 3v3 supply rail on the Raspberry Pi B+](https://raspberrypise.tumblr.com/post/144555785379/exploring-the-33v-power-rail)
+Piversify 博客 [对树莓派 B+ 的 3v3 输出做了深入的探索](https://raspberrypise.tumblr.com/post/144555785379/exploring-the-33v-power-rail)

src/zh/pin/pin-1.md

@@ -1,5 +1,5 @@
-The 3v3 supply pin on the early Raspberry Pi had a maximum available current of about 50 mA. Enough to power a couple of LEDs or a microprocessor, but not much more.
+早期树莓派的 3v3 引脚最大可以输出 50mA 左右的电流，可以驱动几个 LED 或者一个单片机，但也仅此而已。
 
-All Raspberry Pi since the Model B+ can provide quite a bit more, up to 500mA to remain on the safe side, thanks to a switching regulator.
+树莓派 B+ 以后的版本添加了开关稳压器，所以可以输出更大的电流（500mA 以内）。
 
-You should generally use the 5v supply, coupled with a 3v3 regulator for 3.3v projects.
+如果想给 3.3v 的设备供电，建议使用 5v 供电引脚并配合 3v3 稳压器输出。

src/zh/pin/pin-10.md

@@ -1,11 +1,11 @@
-This pin doubles up as the UART receive pin, RX. It's also commonly known as "Serial" and, by default, will output a Console from your Pi that, with a suitable Serial cable, you can use to control your Pi via the command-line.
+此引脚可被复用为 UART 接收引脚，即 RX 引脚。UART 引脚就是通常所说的“串口”，默认作为树莓派的终端输出。连上合适的串口线的话，可以通过这个串口终端使用命令行控制树莓派。
 
-The UART pins are useful for setting up a "headless" Pi (a Pi without a screen) and getting it connected to a network.
+UART 引脚可以用来配置没有显示屏的树莓派，以进行联网等操作。
 
-UART can be used to talk to Serial GPS modules or sensors such as the PM5003, but you must make sure you disable the Serial Console in raspi-config first.
+UART 还可以用来连接串行 GPS 模块或者 PM5003 之类的传感器，但得先确保在 raspi-config 中关闭了树莓派的串口终端。
 
-On the Pi 3 and 4 the UART is, by default, used for Bluetooth and you may need to add "dtoverlay=miniuart-bt" to "/boot/config.txt" to achieve a stable.
+在树莓派 3 和 4 上，UART 默认用来与蓝牙通信。为了稳定运行，最好在 "/boot/config.txt" 中添加 "dtoverlay=miniuart-bt" 这一配置。
 
-[Learn more about UART](/pinout/uart)
+[继续了解 UART](/pinout/uart)
 
-[Raspberry Pi UART documentation](https://www.raspberrypi.org/documentation/configuration/uart.md)
+[树莓派 UART 官方文档](https://www.raspberrypi.org/documentation/configuration/uart.md)

src/zh/pin/pin-12.md

@@ -1,3 +1,3 @@
-GPIO 18 is used by PCM to provide a clock signal to an external audio device such as a DAC chip.
+GPIO 18 属于 PCM 模块，用来向外部音频设备输出时钟信号，比如 DAC 芯片。
 
-The PWM0 output of GPIO 18 is particularly useful, in combination with some fast, direct memory access trickery, for driving devices with very specific timings. The WS2812 LEDs on the [Unicorn HAT](/pinout/unicorn_hat) are a good example of this in action.
+GPIO 18 的 PWM0 输出尤其有用。如果配合一些快速、直接内存访问的技巧，可以用于驱动一些有特殊时钟要求的设备。比如：[Unicorn HAT](/pinout/unicorn_hat) 上的 WS2812 LED 就用到了这一方案。

src/zh/pin/pin-2.md

@@ -1,3 +1,3 @@
-The 5v power pins are connected directly to the Pi's power input and will capably provide the full current of your mains adaptor, less that used by the Pi itself.
+5v 供电引脚直接连接在树莓派的电源输入上，除去 Pi 自身消耗的电流外，该引脚可以提供电源适配器提供的全部电流。
 
-With a decent power supply, such as the official 3A adapter on the Pi 4, you can expect to pull about 1A to 2A.
+如果电源适配器合格的话（比如树莓派 4 的 3A 适配器），该引脚可以输出 1A 到 2A 的电流。

src/zh/pin/pin-27.md

@@ -1,3 +1,3 @@
-These pins are generally reserved for i2c communication with an EEPROM.
+此引脚是保留引脚，通常用于与 EEPROM 芯片进行 i2c 通讯。
 
-Connect those pins for auto configuration, if the board provides the feature (check the board description for details of EEPROM functionality).
+如果开发板提供了这一功能的话，可以连接这些引脚来进行自动配置（请查看开发板的 EEPROM 功能介绍）。

src/zh/pin/pin-3.md

@@ -1,3 +1,3 @@
-SDA (I2C1 Data) is one of the i2c pins on the Pi, [learn more about i2c](/pinout/i2c).
+SDA（I2C1 数据）引脚是树莓派的 i2c 引脚之一。[详细了解 i2c](/pinout/i2c)。
 
-SDA includes a fixed, 1.8 kΩ pull-up to 3.3v, which means this pin is not suitable for use as a general purpose IO where no pull-up resistor is desired.
+SDA 引脚被一个 1.8kΩ 的电阻上拉至 3.3v，也就是说，在不需要上拉电阻的情况下，请不要把这个引脚作为通用的输入输出引脚。

src/zh/pin/pin-35.md

@@ -1 +1 @@
-GPIO 19 is used by PCM to provide a frame-sync signal to an external audio device such as a DAC chip.
+GPIO 19 属于 PCM 模块，用来向外部音频设备输出帧同步的时钟信号，比如 DAC 芯片。

src/zh/pin/pin-38.md

@@ -1 +1 @@
-GPIO 20 is used by PCM to as a data input from an audio device such as an I2C microphone.
+GPIO 20 属于 PCM 模块，用来接收外部音频设备的数据，比如 I2C 麦克风。

src/zh/pin/pin-40.md

@@ -1 +1 @@
-GPIO 21 is used by PCM to provide a data output signal to an external audio device such as a DAC chip.
+GPIO 21 属于 PCM 模块，用来向外部音频设备输出数据信号，比如 DAC 芯片。

src/zh/pin/pin-5.md

@@ -1,3 +1,3 @@
-SCL (I2C1 Clock) is one of the i2c pins on the Pi, [learn more about i2c](/pinout/i2c).
+SCL（I2C1 时钟）引脚是树莓派上的 i2c 引脚之一。[详细了解 i2c](/pinout/i2c)。
 
-SCL includes a fixed, 1.8 kΩ pull-up to 3.3v, which means this pin is not suitable for use as a general purpose IO where no pull-up resistor is desired.
+SDA 引脚被一个 1.8kΩ 的电阻上拉至 3.3v，也就是说，在不需要上拉电阻的情况下，请不要把这个引脚作为通用的输入输出引脚。

src/zh/pin/pin-6.md

@@ -1 +1 @@
-Ground!
+地线。

src/zh/pin/pin-8.md

@@ -1,11 +1,11 @@
-This pin doubles up as the UART transmit pin, TX. It's also commonly known as "Serial" and, by default, will output a Console from your Pi that, with a suitable Serial cable, you can use to control your Pi via the command-line.
+此引脚可被复用为 UART 发送引脚，即 TX 引脚。UART 引脚就是通常所说的“串口”，默认作为树莓派的终端输出。连上合适的串口线的话，可以通过这个串口终端使用命令行控制树莓派。
 
-The UART pins are useful for setting up a "headless" Pi (a Pi without a screen) and getting it connected to a network.
+UART 引脚可以用来配置没有显示屏的树莓派，以进行联网等操作。
 
-UART can be used to talk to Serial GPS modules or sensors such as the PM5003, but you must make sure you disable the Serial Console in raspi-config first.
+UART 还可以用来连接串行 GPS 模块或者 PM5003 之类的传感器，但得先确保在 raspi-config 中关闭了树莓派的串口终端。
 
-On the Pi 3 and 4 the UART is, by default, used for Bluetooth and you may need to add "dtoverlay=miniuart-bt" to "/boot/config.txt" to achieve a stable.
+在树莓派 3 和 4 上，UART 默认用来与蓝牙通信。为了稳定运行，最好在 "/boot/config.txt" 中添加 "dtoverlay=miniuart-bt" 这一配置。
 
-[Learn more about UART](/pinout/uart)
+[继续了解 UART](/pinout/uart)
 
-[Raspberry Pi UART documentation](https://www.raspberrypi.org/documentation/configuration/uart.md)
+[树莓派 UART 官方文档](https://www.raspberrypi.org/documentation/configuration/uart.md)

src/zh/template/404.md

@@ -1,7 +1,7 @@
-#404 - Oh dear!
+# 404 - 出问题了!
 
-###Sorry, we couldn't find what you are looking for!
+### 找不到此页面！
 
-Use the pinout on the left to explore the pins and functions of the Raspberry Pi GPIO.
+点击左侧的引脚图以查看树莓派的引脚功能。
 
-Or, use the menu above to discover new boards and learn about interfaces.
+或者，使用上方的菜单栏，探索新开发板并学习各种接口吧！

src/zh/template/footer.html

@@ -1,3 +1,3 @@
-<p>Spotted an error, want to add your board's pinout? <a href="https://github.com/gadgetoid/Pinout.xyz">Contribute to Pinout.xyz at GitHub.com/gadgetoid/Pinout.xyz</a></p>
-<p>Originally part of <a href="http://pi.gadgetoid.com">pi.gadgetoid.com</a>. Maintained by <a href="https://twitter.com/gadgetoid">@Gadgetoid</a>.</p>
-<p>Want to help make Pinout.xyz better? Please <a href="https://github.com/sponsors/Gadgetoid">sponsor at GitHub</a> or <a href="https://www.patreon.com/gadgetoid">pledge at Patreon.com</a></p>
+<p>如果发现网页上有错误，或者想要添加自己的开发板? <a href="https://github.com/gadgetoid/Pinout.xyz">请向 GitHub.com/gadgetoid/Pinout.xyz 贡献你的代码！</a></p>
+<p>源于 <a href="http://pi.gadgetoid.com">pi.gadgetoid.com</a>. 由 <a href="https://twitter.com/gadgetoid">@Gadgetoid</a> 管理.</p>
+<p>想让 Pinout.xyz 做得更好? 请<a href="https://github.com/sponsors/Gadgetoid">在 GitHub 上赞助我们</a>，或者<a href="https://www.patreon.com/gadgetoid">加入 Patreon.com</a></p>