Bug

This front matter is not work 1 2 3 4 5 6 7 8 title: 'Emoji cheat sheet' date: 2024-03-16T23:39:55+08:00 draft: false series: [emoji] categories: [cheatsheet] tags: [markdown, emoji] language: en This front matter is work 1 2 3 4 5 6 7 8 9 title: 'Emoji Sheet' date: 2024-03-16T23:10:53+08:00 draft: false series: [emoji] categories: [cheatsheet] tags: [markdown, emoji] language: en math: false

在php中数据库插入错误，一般是sql语句中参数不正确，或者参数对应的类型不正确。 1 2 3 4 5 6 $sql = "INSERT INTO SensorData (id, sensor, coords, value1, value2, value3) VALUES ('$id','$sensor', '$coords', '$value1', '$value2', '$value3')"; if ($conn->query($sql) === TRUE) { echo "New record created successfully"; } else { echo "Error: " . $sql . "<br>" . $conn->error; } 另外在使用dht传感器的过程中，出现ETIMEOUT错误，一般是引脚插错，重新检查换用其他引脚，我这个板子目前只有1号引脚可以正常使用。 ...