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BLE(三)APP开发步骤 - 创客硬件开发 - 清泛IT社区,为创新赋能!
文章源自:https://www.gandalf.site/2018/11/bleapp.html
Android系统自4.3版本开始,引入了对BLE的支持,详见Bluetooth Low Energy。通过浏览当中的信息,我们可以得知在app开发环节,需要做到如下几件事情:
1. BLE相关权限声明
2. 操...
BLE UUID是对的但连接闪退:java.lang.IllegalArgumentException: UUID str...
...错日志
java.lang.ExceptionInInitializerError
at edu.mit.appinventor.ble.BluetoothLEint$BLEReadOperation.subscribe(BluetoothLEint.java:357)
at edu.mit.appinventor.ble.BluetoothLEint$BLEReadOperation.run(BluetoothLEint.java:325)
at android.os.Handler.handleCallback(Handler.java:958)
at and...
Setting the correct encoding when piping stdout in Python
...at you receive, and encode what you send.
# -*- coding: utf-8 -*-
print u"åäö".encode('utf-8')
Another didactic example is a Python program to convert between ISO-8859-1 and UTF-8, making everything uppercase in between.
import sys
for line in sys.stdin:
# Decode what you receive:
lin...
Mark current Line, and navigate through marked lines
...rks and walk quickly from one to another.
– André Alçada Padez
Apr 19 '12 at 18:17
if you tell me this is impossible...
Why both no-cache and no-store should be used in HTTP response?
...he storage of the response in non-volatile media?
– Lèse majesté
Feb 27 '11 at 4:38
4
@Lèsemaj...
蓝牙BLE硬件接入及IO控制 · App Inventor 2 源码商店
... 源码列表 / 蓝牙BLE硬件接入及IO控制 蓝...
用户反馈ble广播数据收不到 - 用户反馈 - 清泛IT社区,为创新赋能!
...可以的话我就先买个离线版的,在线的太慢了
清泛:
ble 广播用法不常见,也不太安全,目前就之前一个用户反馈要这个功能,应该是成功过的。这块我还没有实地测试,后续我会用硬件测试一下的
MCU&物联网:
我的有效...
select * vs select column
...using string keys or property names if using ORM.
– Lèse majesté
Jul 5 '10 at 15:04
11
saw this...
Arduino101(Genuino 101)&App Inventor – RGB LED控制 - 创客硬件开...
...88%b6/
本文將介紹如何取得觸碰點的 RGB 參數之後透過 BLE 送給 Arduino 101 來點亮 RGB LED。
App InventorDesigner使用 Canvas 來取得觸碰點座標。兩個連線斷線用的按鈕:Btn_Connect / Btn_DisConnect三個用來呈現RGB值的 Slider (無法拖...
BLE蓝牙APP输入物理地址连接 - App Inventor 2 中文网 - 清泛IT社区,为创新赋能!
目前BLE低功耗蓝牙,低成本,逐渐被广泛应用,通过APP inventor2 制作APP 快捷方便,因BLE 蓝牙无需配对 快速连接实属方便,但在同一个地方使用多个蓝牙模块问题就出现了,如果使用APP inventor2 在APP界面首先输入蓝牙模块的物理...