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**Task:** Develop an interface for connecting a buzzer with the BBB. The buzzer should turn on if alerts are detected by the buzzer driver module and turn off otherwise.
**Description:** The buzzer…
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Hello,
Thanks for your very cool tutorial.
Would you mind telling which current we can expect on the buzzer?
Many thanks!!
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反馈bug/问题模板，提建议请删除
## 1.关于你要提交的问题
利用Github Actions在线编译失败
Q：是否搜索了issue (使用 "x" 选择)
* [x] 没有类似的issue
## 2. 详细叙述
### (1) 具体问题
A：
本地编译成功，同样的`.config`文件利用github actions编译无法通过
![图片](…
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### PROBLEM DESCRIPTION
In Tasmota the H801 controller flahes LEDS attached, briefly at full brilliance on powerup.
### REQUESTED INFORMATION
_Make sure your have performed every step and c…
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Add support to trigger a relay using GPIO pins if the water level is critical.
This could be used to trigger a 12v backup pump.
A long running python script could be triggered that turn on the r…
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If I connect a passive buzzer to pin 22 and ground and use the code below, I can change the tone easily.
but if I use the standard Buzzer class, there is no way to change its tone.
```python
buzz…
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All the documentation I can find says I need a "5V buzzer" but it's not clear if this is supposed to be an _active_ or _passive_ buzzer. Links to ebay and amazon will have both, and they look similar.…
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Setup : ImmersionRC Vortex 230 Mojo stock
Configurator: 10.5.1
Firmware: BTFL 4.0.0
Target: IRCSYNERGYF3
I have a problem with my Mojo, since I've upgrade to BF4
I had no problem with 3.2 versi…
ChDUP updated
5 years ago
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@gustavoz will be taking up designing and prototyping Sumokoin's hardware wallet. He is an FPGA/ASIC (embedded hardware) designer with lots of experience on Trezor. He will present here his roadmap an…
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### Basic Infos
- [ X] This issue complies with the [issue POLICY doc](https://github.com/esp8266/Arduino/blob/master/POLICY.md).
- [ X] I have read the documentation at [readthedocs](https://ardu…