# 例程介绍

- [1. GPIO例程](https://docs.petoi.com/chinese/biboard/li-cheng/gpio-li-cheng.md): 操作BiBoard的GPIO
- [2. 串口](https://docs.petoi.com/chinese/biboard/li-cheng/chuan-kou.md)
- [3. 模拟-数字转换器](https://docs.petoi.com/chinese/biboard/li-cheng/mo-ni-shu-zi-zhuan-huan-qi.md): BiBoard（ESP32）可变增益ADC的应用
- [4. 数字-模拟转换器](https://docs.petoi.com/chinese/biboard/li-cheng/shu-zi-mo-ni-zhuan-huan-qi.md): DAC的用法
- [5. EEPROM（电擦除存储器）](https://docs.petoi.com/chinese/biboard/li-cheng/5.-eeprom-dian-ca-chu-cun-chu-qi.md)
- [6. 陀螺仪IMU（MPU6050）](https://docs.petoi.com/chinese/biboard/li-cheng/6.-tuo-luo-yi-imumpu6050.md)
- [7. 红外遥控](https://docs.petoi.com/chinese/biboard/li-cheng/7.-hong-wai-yao-kong.md)
- [8. PWM](https://docs.petoi.com/chinese/biboard/li-cheng/8.-pwm.md)
- [9. 舵机（施工）](https://docs.petoi.com/chinese/biboard/li-cheng/9.-duo-ji-shi-gong.md)
- [10. 经典蓝牙串口SPP](https://docs.petoi.com/chinese/biboard/li-cheng/10.-jing-dian-lan-ya-chuan-kou-spp.md)
- [11. 蓝牙低功耗（BLE）串口透传](https://docs.petoi.com/chinese/biboard/li-cheng/11.-lan-ya-di-gong-hao-ble-chuan-kou-tou-chuan.md)
- [12. 文件系统SPIFFS](https://docs.petoi.com/chinese/biboard/li-cheng/12.-wen-jian-xi-tong-spiffs.md): ESP32 文件系统SPIFFS配置指南
- [13. Arduino IDE增加硬件分区配置选项](https://docs.petoi.com/chinese/biboard/li-cheng/13.arduino-ide-zeng-jia-ying-jian-fen-qu-pei-zhi-xuan-xiang.md)
- [14. 播放MP3](https://docs.petoi.com/chinese/biboard/li-cheng/14.-bo-fang-mp3.md)
- [15. WiFi和OTA的使用](https://docs.petoi.com/chinese/biboard/li-cheng/15.wifi-he-ota-de-shi-yong.md): ESP32的Arduino例程提供了OTA（On The Air upgrade，在线升级）的功能。


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