Wednesday, September 5, 2018

MeArm v1.0 安裝說明, Laser Cut AI / PDF

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Layout Size: 300mm x 200mm
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Parts Required:
  • Nut x 11
  • 6mm x 7
  • 8mm x 15
  • 10mm x 5
  • 12mm x 8
  • 20mm x 4
Hardware Required (Arduino):
  • Arduino Uno R3 x1
  • Sensor Shield x1
  • Servo x4
  • 2-Axis Joystick x2

Hardware Required (Micro:Bit + Robot:Bit)
  • Robot:Bit + Micro:Bit x1
  • Servo x4
  • 2-Axis Joystick / Micro:Bit


Reference
https://www.thingiverse.com/thing:993759

Tutorial:

MeArm Robot Arm - Your Robot - V1.0: 13 Steps (with Pictures)
https://www.instructables.com/id/MeArm-Robot-Arm-Your-Robot-V10/

MeArm.Joystick DIY En: 18 Steps
https://www.instructables.com/id/meArmJoystick-DIY/

中文教學:

仁濟醫院靚次伯紀念中學
http://www.lcp.edu.hk/STEM/media.php

仁濟醫院靚次伯紀念中學 - PCM - 製作MeArm 機械臂(一)http://www.lcp.edu.hk/media/20170608_PCM/PCM_1252.pdf

仁濟醫院靚次伯紀念中學 - PCM - 製作MeArm 機械臂(二)http://www.lcp.edu.hk/media/20170608_PCM/PCM_1253.pdf

仁濟醫院靚次伯紀念中學 - PCM - 製作MeArm 機械臂(三)http://www.lcp.edu.hk/media/20170608_PCM/PCM_1254.pdf

仁濟醫院靚次伯紀念中學 - PCM - 製作MeArm 機械臂(四)http://www.lcp.edu.hk/media/20170608_PCM/PCM_1255.pdf

芭蕉葉上聽雨聲: [meArm] 機械手臂組裝說明
http://pizgchen.blogspot.com/2018/03/mearm.html

EduMakerLab STEAM 實驗室: MeArm的組裝紀實
http://edumakerlab.blogspot.com/2014/10/mearm.html

MeArm.Joystick Software: 38 Steps
https://www.instructables.com/id/MeArm-software/

MeArm 安裝說明
http://www.7gp.cn/archives/59






licensed under a Creative Commons Attribution-ShareAlike 4.0 International License


Wednesday, July 25, 2018

SOLUTION: RESET MYSQL root password

PROBLEM:
-PHPMYADMIN SHOW "NO" FOR GRANT PRIVILEGES FOR ROOT USER
-CANNOT GRANT PRIVILEGES FOR USERS
-RASPBIAN / DEBIAN


SOLUTION:
  1. STOP MYSQL
    sudo service mysql stop     OR      sudo killall mysqld
  2. START MYSQL SKIPPING PRIVILEGES sudo mysqld_safe --skip-grant-tables &
  3. CHANGE PASSWORD FOR ROOT USER
    SET PASSWORD FOR 'root'@'localhost' = PASSWORD("newPassWD");
  4. FLUSH PRIVILEGES
    FLUSH PRIVILEGES;
  5. STOP AND RESTART MYSQLD
     sudo killall mysqld | sudo service mysQL start





SOLUTION: mysql root cannot grant privileges for database


PROBLEM:
-PHPMYADMIN SHOW "NO" FOR GRANT PRIVILEGES FOR ROOT USER
-CANNOT GRANT PRIVILEGES FOR USERS
-RASPBIAN / DEBIAN


SOLUTION:
  1. STOP MYSQL
    sudo service mysql stop     OR      sudo killall mysqld
  2. START MYSQL SKIPPING PRIVILEGES sudo mysqld_safe --skip-grant-tables &
  3. GRANT PRIVILEGES for root user
    UPDATE mysql.user SET Grant_priv='Y', Super_priv='Y' WHERE User='root';
  4. FLUSH PRIVILEGES
    FLUSH PRIVILEGES;
  5. STOP AND RESTART MYSQLD
     sudo killall mysqld | sudo service mysQL start


Saturday, July 14, 2018

STEM LAB IDEA

https://www.lib.polyu.edu.hk/makerspace/iot

Free 3D Print Model Download / Free Laser Cut CAD Download

3D Print
https://www.thingiverse.com/
https://grabcad.com/library
https://www.cgtrader.com/free-3d-models
http://3dsky.org/
https://www.myminifactory.com/
https://gallery.autodesk.com/
https://cults3d.com/en/creations/latest/page/1?direction=asc&sort=download_price_cents
http://www.free-3d-models.com/
https://www.turbosquid.com/Search/3D-Models/free
http://www.3dxtras.com/
https://free3d.com/3d-models/






Laser Cut
https://www.librarylaser.com/en/
https://www.vecteezy.com/free-vector/laser-cut
https://obrary.com/collections/open-designs
https://www.bosslaser.com/laser-files/downloads/
https://www.freepik.com/free-photos-vectors/laser-cut
https://dxfprojects.com/root/tag/67-free-download
https://grabcad.com/library/tag/lasercut