<p><b>@PeterKietzmann</b> commented on this pull request.</p>

<hr>

<p>In <a href="https://github.com/RIOT-OS/RIOT/pull/10750#discussion_r253425725">sys/auto_init/saul/auto_init_sht2x.c</a>:</p>
<pre style='color:#555'>> + */
+static sht2x_t sht2x_devs[SHT2X_NUMOF];
+
+/**
+ * @brief   Reference the driver structs.
+ * @{
+ */
+extern const saul_driver_t sht2x_temperature_saul_driver;
+extern const saul_driver_t sht2x_relative_humidity_saul_driver;
+/** @} */
+
+/**
+ * @brief   Memory for the SAUL registry entries
+ */
+#define SENSORS_NUMOF 2
+static saul_reg_t saul_entries[SHT2X_NUMOF * SENSORS_NUMOF];
</pre>
<p>Why *2?</p>

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