# 开启ble\_central时，扫描不到手机的蓝牙mac地址

**URL:** <https://forum.amebaiot.com/t/ble-central-mac/1409>\
**Category:** BT\
**Tags:** rtl8720cx\
**Created:** [August 25, 2022, 3:52am UTC](https://forum.amebaiot.com/t/ble-central-mac/1409 "2022-08-25T03:52:12Z")\
**Posts on this page:** 3\
**Page:** 1

<div class="post-metadata">

**Author:** ![FFF-420](https://sea2.discourse-cdn.com/flex016/user_avatar/forum.amebaiot.com/fff-420/32/1091_2.png) [@FFF-420](https://forum.amebaiot.com/u/FFF-420)\
**Post date:** [August 25, 2022, 3:52am UTC](https://forum.amebaiot.com/t/ble-central-mac/1409/1 "2022-08-25T03:52:12Z")

</div>

当我用设备作为central设备扫描周围的蓝牙的时候，扫描不到手机的蓝牙mac地址，但是能扫描出周围其他设备的地址

---

<div class="post-metadata">

**Author:** ![wyy](https://avatars.discourse-cdn.com/v4/letter/w/bc8723/32.png) [@wyy](https://forum.amebaiot.com/u/wyy)\
**Post date:** [August 26, 2022, 2:05am UTC](https://forum.amebaiot.com/t/ble-central-mac/1409/2 "2022-08-26T02:05:29Z")

</div>

你手机是怎么样设置的？用什么发 advertisement？

---

<div class="post-metadata">

**Author:** ![FFF-420](https://sea2.discourse-cdn.com/flex016/user_avatar/forum.amebaiot.com/fff-420/32/1091_2.png) [@FFF-420](https://forum.amebaiot.com/u/FFF-420)\
**Post date:** [August 31, 2022, 6:10am UTC](https://forum.amebaiot.com/t/ble-central-mac/1409/3 "2022-08-31T06:10:17Z")

</div>

用的从网上下载的ble调试宝这个软件，nrf connect不太会用 😂