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BLE &APP交互学习教程01——下发指令 - 创客硬件开发 - 清泛IT社区，为创新赋能！
BLE模块性价比高，无需配对就可以连接使用，从本节开始，我们着重来学习使用BLE控制和显示。
1.界面设计
2.逻辑设计
3.APP工程
4.下位机工程
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Modbus硬件控制01——什么是Modbus - 创客硬件开发 - 清泛IT社区，为创新赋能！
本帖最后由 mzb2012 于 2025-06-19 12:37 编辑
Modbus算是嵌入式领域比较经典一种通信协议，不管你是初学者，还是工作多年的工程师，都很有必要了解一下。1.什么是Modbus?1.什么是Modebus它是一个Bus，即总线协议。比如串口协议、IIC...
Node.js Mongoose.js string to ObjectId function
...firm?
– Artur Tagisow
May 13 '19 at 10:38
add a comment
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How to avoid circular imports in Python? [duplicate]
...s better!
– Caumons
Jul 1 '13 at 14:01
46
Doesn't seem to work with submodules import foobar.mod_...
Convert Python dict into a dataframe
...(d, name='DateValue')
Out[21]:
2012-06-08 388
2012-06-09 388
2012-06-10 388
In [22]: s.index.name = 'Date'
In [23]: s.reset_index()
Out[23]:
Date DateValue
0 2012-06-08 388
1 2012-06-09 388
2 2012-06-10 388
...
Rolling median algorithm in C
...y good work.
– Johannes Rudolph
Nov 10 '11 at 17:05
How can I find Java version of this solution?
...
How to find memory leak in a C++ code/project?
...does not have shrink_to_fit on a vector... However the embedded program is 100% sure to totally crash when running out of memory using vector<> dynamically
– bart s
May 12 '18 at 19:27
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How to send a command to all panes in tmux?
...ize-panes
– sensation
Sep 19 '17 at 10:10
1
If I add bind -n C-x setw synchronize-panes what shor...
What is __future__ in Python used for and how/when to use it, and how it works
...hat analogous to a polyfill in the browser world
– cs01
Dec 2 '16 at 18:37
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Multiprocessing - Pipe vs Queue
...sts using Pipe() and Queue()... This is on a ThinkpadT61 running Ubuntu 11.10, and Python 2.7.2.
FYI, I threw in results for JoinableQueue() as a bonus; JoinableQueue() accounts for tasks when queue.task_done() is called (it doesn't even know about the specific task, it just counts unfinished tasks...