Identify, study and solving the issues always is an enjoyment for me. As in my first print of the 3DBenchy that shown in the previous post - The Journey of Anet A8 Part 1 - Setup & Stock Printing, I knew my printer is not optimized.
This post records all my journey on the upgrades, mods, tuning I had done at my printer.
COMCRAZY Development Center
Technical Diary . Career . Hobby
Saturday, December 29, 2018
Sunday, October 28, 2018
The Journey of Anet A8 Part 1 - Setup & Stock Printing
After 1 years of dragging, finally i brought a 3D printer. As the engineer, maker and beginner, I had chose a DIY and cheapest 3D printer I can get in market - Anet A8 which cost me USD 145/= together with 1 Kg of white PLA filament.
This post will record first month of my experience with Anet A8 start with setting up hardware to printing experience.
This post will record first month of my experience with Anet A8 start with setting up hardware to printing experience.
Thursday, April 12, 2018
mBlock 3 Arduino Extension for 2-Wheel Robot Car
This project is for 9 year old students to able to program this robot car. It uses mBlock (Scratch-based) with drag-and-drop programming.
We are introducing robotics and programming to 9 year old primary students with extreme budget constraint. With some research, we managed to come up with this solution. I will hereby share the material and idea behind this project.
mBlock 3 is built based on Scratch 2.0. Scratch is a programming tools for kids; it allows kids to program code by dragging and dropping the "blocks". mBlock enhances Scratch to allow it to talk to Arduino.
What I had done was build an extension for mBlock 3 with predefined parameters to allow the kids to instruct the robot car to move or play music.
Detailed instruction is included, click here for detail.
We are introducing robotics and programming to 9 year old primary students with extreme budget constraint. With some research, we managed to come up with this solution. I will hereby share the material and idea behind this project.
mBlock 3 is built based on Scratch 2.0. Scratch is a programming tools for kids; it allows kids to program code by dragging and dropping the "blocks". mBlock enhances Scratch to allow it to talk to Arduino.
What I had done was build an extension for mBlock 3 with predefined parameters to allow the kids to instruct the robot car to move or play music.
Detailed instruction is included, click here for detail.
Workspace Environment Monitor - enVMon
Ever care about the place you may spend one-third of a day? enVMon captures noise level, air quality, UV level, temperature and humidity.
This monitoring station will monitor the Ultra-Violet and sound level, temperature, humidity and air quality (CO2). All the above parameters are the common factors for a safe working environment.
The objective of this project is to place this monitoring station in the working environment and monitor it, compare the data and send notifications when the parameters reach the threshold.
Detail of the project is at here.
Monday, October 31, 2016
Susurri - The Secret Message Service
Tuesday, June 30, 2015
Tool for encode, decode and formatter for common use data
After long 4 years, finally get a technical oriented job again. No more manager but solution architect.
In this post I will share a web tool able to below task
Hereby is the link J.Dencoder
- Hex - Ascii Converter
- Base64 encoder and decoder
- BCD encoder and decoder
- ASN.1 Decoder
- XML Formatter
- JSON Formatter
- CSS Formatter
- SQL Formatter
Hereby is the link J.Dencoder
Wednesday, January 11, 2012
Password-less SSH Authentication Validation
Password-less SSH login is widely use inside a trusted network. System administrator will use this method to remotely execute some task specially in a batch scripting. However, this method sometime may failed in certain circumstances for example host name change, accidentally remove the public key or private key or run the script using different user.
So validation and alerting is very important on Password-less SSH Authentication. Hereby is the script to perform validation, it has been tested on RHEL and CentOS.
So validation and alerting is very important on Password-less SSH Authentication. Hereby is the script to perform validation, it has been tested on RHEL and CentOS.
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