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esp32 引脚用法

分类：基础知识篇 >> ESP32基础知识发布于 2024-05-16 480次阅读0点赞0收藏

简单说明烧录相关的，最好不要动了，

1 3 串口 0 boot 2似乎是en，所以烧录接线的话，最好留着VCC GND加 0123 四个pin，
6到11 pin 几乎任何板子都用不了，别想了兄弟
还有部分特殊的，比如没有20，24，28，29，30，31，37，38，这些基本也不能用，似乎被模组占用了
16 17 特殊，如果是带psram的，就不能用
那么可用的Pin到底是多少个呢？
算上烧录，26个，其实还是有点紧张的哈。

补充图：

重点看rtc gpio 这些是可以唤醒睡眠的引脚哦

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SHOW FULL COLUMNS FROM `ls_help` [ RunTime:0.000443s ]
SELECT COUNT(*) AS think_count FROM `ls_help` `a` INNER JOIN `ls_help_category` `c` ON `c`.`id`=`a`.`cid` WHERE ( `a`.`del` = '0' AND `a`.`is_show` = '1' AND `c`.`del` = '0' AND `c`.`is_show` = '1' ) ORDER BY `a`.`id` DESC LIMIT 1 [ RunTime:0.000428s ]
SHOW FULL COLUMNS FROM `ls_goods` [ RunTime:0.000569s ]
SELECT * FROM `ls_goods` WHERE `id` = 116 AND `status` = 1 LIMIT 1 [ RunTime:0.000446s ]
UPDATE `ls_goods` SET `click_count` = 480 , `update_time` = 1761068149 WHERE `id` = 116 [ RunTime:0.000310s ]
SHOW FULL COLUMNS FROM `ls_goods_collect` [ RunTime:0.000416s ]
SELECT * FROM `ls_goods_collect` WHERE `user_id` = 2 AND `goods_id` = 116 LIMIT 1 [ RunTime:0.000282s ]
SHOW FULL COLUMNS FROM `ls_goods_like` [ RunTime:0.000298s ]
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SHOW FULL COLUMNS FROM `ls_goods_click` [ RunTime:0.000276s ]
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SELECT * FROM `ls_goods` WHERE `del` = 0 AND `status` = 1 AND `create_time` <= 1761068089 ORDER BY `create_time` DESC LIMIT 3 [ RunTime:0.002633s ]
SELECT * FROM `ls_goods` WHERE `del` = 0 AND `status` = 1 AND `create_time` <= 1761068089 ORDER BY `click_count` DESC LIMIT 3 [ RunTime:0.001084s ]

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esp32 引脚用法

简单说明烧录相关的，最好不要动了，

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