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When I am looking for some ideas to make the three-jointed robotic arm structured by VEX-IQ, I found plenty of brilliant ideas from other enthusiasts in VEX robotics community over the world.  I attempted to collect some of the most impressive designs and put them all into single page for easier viewing. If you want to get the original images to inspire your student. Please do not hesitate to contact me via email.

  Một nhà tâm lý học cho biết cha mẹ của những đứa trẻ ‘đặc biệt kiên cường và thành công’ luôn làm 7 điều sau: ‘Vâng, một số con hơi dữ dội’ Xuất Bản Thứ Ba, Ngày 11 Tháng 5 Năm 2021 12:37 Chiều EDT Cập Nhật Vào Thứ Ba, Ngày 11 Tháng 5 Năm 2021 1:25 CH EDT Kumar Mehta, Người đóng góp @MEHTAKUMAR CHIA SẺ Chia sẻ bài viết qua Facebook Chia sẻ bài viết qua Twitter Chia sẻ bài viết qua LinkedIn Chia sẻ bài viết qua email Titovailona |  Hai mươi20 Con người không phải ai cũng bình đẳng về mọi mặt.  Có một vài cá nhân đã đạt được sự thành thạo vô song trong lĩnh vực của họ - và họ là những gì tôi gọi là những người  đặc biệt  .  Nói cách khác, họ là 1% trong số 1%  những người thành công nhất thế giới  . Một số ví dụ bao gồm các nhà đổi mới như  Elon Musk  và  Jeff Bezos  , các vận động viên như Michael Jordan và Serena Williams, và các nhạc sĩ như Mozart và Beethoven.  Hoặc họ có thể là những người mà bạn chưa bao giờ nghe nói...

PURPOSE Pull requests are a mechanism for a developer to notify team members that they have completed a feature. HOW IT WORKS //============================================== For developer Main step: 1. Make sure branch naming is corrected. Rename command: git branch -m newName 2. Make sure your source code based on lastest source code in "develop" branch git checkout develop git pull git checkout your-branch git rebase resolve conflict(if any) 3.Squash commit A nice way to group some changes together, especially before sharing them with others. https://www.internalpointers.com/post/squash-commits-into-one-git 4. Final step Re-check "Commit message" Re-check "Source changes" Add reviewer //============================================== For reviewer/project maintainer 1. Review code - Convention (naming, format) - Clean code(duplicate, pseudo code, debugger....based on SOLID, DRY, KISS) - Unit test code 2. This implementat...

Introduction This is a car gadget which is a present for my wife who got a driver’s license not long ago. In fact, the traffic in Vietnam is terrifyingly dangerous because vehicle owners usually break the rules. For example, reckless driving, road rage, making improper turns, following too close, jaywalking and accidents are common sense in Hanoi. Driving is truly a big challenge for a new driver. This device may improve one-way communication between the driver and another from the following vehicle. Main features This device has two separated modules:  The first module will be set up in front of the driver. It can recognize the driver's voice. Then it automatically translates driver voice to text commands and forwards these commands to the other module which is installed in the rear-end of the car. The second module receives the command from the first module and displays corresponding content on the led matrix screen. It also reads car speed from the GPS...

How to start python script by batch file on window Reference https://datatofish.com/batch-python-script/ Assumption - Your python script is manage.py - Create a batch file "run.bat" which is placed in the same directory with your python script. run.bat source code :: find python.exe path @ for %%i in (python.exe) do @ set py = %%~$PATH:i ::run main program %py% %CD% \manage.py ::wait for stop pause manage.py source code print ( "Surprisingly, The naughty kitten defeated a giant python" ) Looking more sample batch file https://www.robvanderwoude.com/batexamples.php

Develop the first python client application by Paho I. Purpose: 1. Try to send messages between 2 clients via MQTT protocol. Then, we will create 2 clients: - One for publishing (or send) the message. Other for subscribing (or receive message). II. Pre-condition: - You already installed Mosquitto broker, Python. III. Step by step 1. Download example from Github https://github.com/eclipse/paho.mqtt.python 2. Modify subscriber(client) source In folder example/client_sub.py. Modify some pieces of source code. before mqttc.connect("mqtt.eclipse.org", 1883, 60) mqttc.subscribe("$SYS/#", 0) after mqttc.connect("192.168.203.76", 1883, 60) mqttc.subscribe("test/topic1", 0) note: "192.168.203.76": IP address of machine which Mosquito broker installed on. 1883: mqtt port 3. Modify publisher(client) source In folder example/publish_single.py. before: publish.single("paho/test/sing...

Install Mosquito broker https://mosquitto.org/download/ 1. Install service easily by some click. 2. Check operation Reference: http://www.steves-internet-guide.com/install-mosquitto-broker/ - open command prompt and check installed directory cd C:\Program Files\mosquitto mosquitto -h or mosquitto -v - start service mosquitto -p 1883 - check port 1883 is listening or not netstat -a - add system environment variables. Add below string to the system environment path. It helps you call mosquito in the command line window. ;C:\Program Files\mosquitto Example Reference: https://www.win.tue.nl/~lrahman/iot_2016/tutorial/MQTT_2016.pdf 1. Open the first command windows 2. Start mosquitto by command mosquitto -p 1883 3. Open the second command windows 4. Allow client subcribe the topic by command mosquitto_sub -t 'test/topic' -v This time, a client has the ability to handle the message from publisher. 5. Open the third command windows 6. Publish message...