Thursday, January 2, 2014
Monday, December 30, 2013
DI Workshop: Grassroot Engineering
Co-instructor
- Transferjet engineer, Consultant - rural technology, semiconductor and solar energy.
- Android session and Transferjet (TOSHIBA)
- Input/Output Devices (??)
- Image Processing, Signal processing
- MATLAB (??)(general, GUI, Image processing, Data acquisition - Analog,Digital I/O)
Day - 3: Field trip
- Field trip briefing:
- Observation
- Need statements
- Filtering need statement
- Ideation of solutions
- Filtring one solution
- Making Prototype
- Documentation and Presentation
Day -4:
- 30s pitch (Students presentation)
- Start presentation with GIRAFFE (a word)
- ask audiance/students for feedback.
- Give feedback on presentation (individual).
- Start with positive hook.
- talk about custumer experiance. (tecnology flaw into plus point)
Total Cost ~ $2200
- Field visit suggestions
- Curriculum
-
Define problem first
Which techonoloyg to use
Topics - Education, healthcare, transportation, banking, finance, agriculture (villagers willing to pay), Information and energy.
Toshiba community space (social orientation). Where bussiness and enterprenures can use the technology created and make money. Replicate such community space to other places.
- Villagers wants to provide information to outer world.
- Internet at village (FabFi?)
- Village - Ratnagiri
- NGO started a different kind of school which teaches skills to solver local problems
- They (teachers) are developing prototype with LEDs. Desk (like laptop) with LEDs.
- Working today based on future projection.
- Near field communication device
////
- Transferjet engineer, Consultant - rural technology, semiconductor and solar energy.
Workshop Tentative Schedule
Day - 1: Project management, documentation (blogging)
Day - 2: Technical Sessions
- CAD/ 3D Printing
- Make your own Microcontroller Kit- Android session and Transferjet (TOSHIBA)
- Input/Output Devices (??)
- Image Processing, Signal processing
- MATLAB (??)(general, GUI, Image processing, Data acquisition - Analog,Digital I/O)
Day - 3: Field trip
- Field trip briefing:
- Observation
- Need statements
- Filtering need statement
- Ideation of solutions
- Filtring one solution
- Making Prototype
- Documentation and Presentation
Day -4:
- 30s pitch (Students presentation)
- Start presentation with GIRAFFE (a word)
- ask audiance/students for feedback.
- Give feedback on presentation (individual).
- Start with positive hook.
- talk about custumer experiance. (tecnology flaw into plus point)
Resources required for ~50 students
Total Cost ~ $2200
- Field visit suggestions
- Curriculum
-
Define problem first
Which techonoloyg to use
Topics - Education, healthcare, transportation, banking, finance, agriculture (villagers willing to pay), Information and energy.
Toshiba community space (social orientation). Where bussiness and enterprenures can use the technology created and make money. Replicate such community space to other places.
- Villagers wants to provide information to outer world.
- Internet at village (FabFi?)
- Village - Ratnagiri
- NGO started a different kind of school which teaches skills to solver local problems
- They (teachers) are developing prototype with LEDs. Desk (like laptop) with LEDs.
- Working today based on future projection.
- Near field communication device
////
Monday, December 23, 2013
Innovation and Entepreneruship Workshop
Sunday 22nd, 2013
- Report on field trip from Yesterday.
- Session on IOIOIO Board by Dan.
01/07/13
Entrepreneurship - Identifying the opportuniy other don't see, taking risk, build with whatever you have
MBA is a manager.
- Train kids
Step - 2: Identify couple of problems
Step - 3: Analyze each problems (why it exist, how much impact, finicial gain, stack holder - who will benefit and who will suffer) and narrow down to one problem.
Step - 4: Potential solutions.
Step - 5: Finalize one solution and conceptualize it.
Step - 6: Make a prototype.
Round - 3
Seed ideas for project. Don't spend much time on finding problem in round-3.
Business analysis.
- Experience of working with people. Technical skill in blog.
- Call students and ask to present.
-
Give them 20 need statement.
Technical entrepreneurship.
Tutorial Sessions
- PCB prototyping
- Make your own uC Board/Arduino
- Arduino
- Sensors
- Android
- Matlab (general, image processing, interface with android, interface with arduino)
- Report on field trip from Yesterday.
- Session on IOIOIO Board by Dan.
01/07/13
Entrepreneurship - Identifying the opportuniy other don't see, taking risk, build with whatever you have
MBA is a manager.
- Train kids
Round - 2
Step - 1: Field Trip ObservationStep - 2: Identify couple of problems
Step - 3: Analyze each problems (why it exist, how much impact, finicial gain, stack holder - who will benefit and who will suffer) and narrow down to one problem.
Step - 4: Potential solutions.
Step - 5: Finalize one solution and conceptualize it.
Step - 6: Make a prototype.
Round - 3
Seed ideas for project. Don't spend much time on finding problem in round-3.
Business analysis.
- Experience of working with people. Technical skill in blog.
- Call students and ask to present.
-
Give them 20 need statement.
Technical entrepreneurship.
Pre-Workshop
Kits
- Bluetooth
Tutorial Sessions
- PCB prototyping
- Make your own uC Board/Arduino
- Arduino
- Sensors
- Android
- Matlab (general, image processing, interface with android, interface with arduino)
Sunday, December 22, 2013
TBN Atmega32U4 Board
Features
USB connenctor used (eagle lib in sparkfun library)
https://www.sparkfun.com/products/8533
USB protection
http://www.st.com/web/en/resource/technical/document/datasheet/CD00001361.pdf
digikey part number - 497-2727-5-ND
Power jack
https://www.sparkfun.com/products/12748
Next Version Improvement
.
Parts Required
1 - Atmega32U4 (Digikey Part# ATMEGA32U4-AURCT-ND)
Note - Atmega32U4-AUR is shipped with Low Power Crystal Oscillator (8.0MHz-16MHz) enabled and Atmega32U4RC-AUR is shipped with Calibrated Internal RC oscillator (8.0MHz) enabled. Since we are using external crystal, we will use Atmega32U4-AUR.
2 - Resistors
3 - Capacitors
4 - USB connector
5 - 3x2 Pin connector
6 - Push button
7 - Crystal 16MHz.
8 - Ferrite Bead.
/spreadsheettttttttttt/
/spreadsheettttttttttt/
To Do in Next Version
1 - Change USB micro-B connector (eagle part in ----)
2 - Add Potentiometer for ADC sample Code
3 - Add one pull button (for Arduino USB keyboard code, Arduino Mouse code, Digital Input code)
4 - Add horizontal/Vertical connector to access pins.
5 - Optional - Array resistor and RGB LED
6 - Edit bootloader to add LED fadIn/Out when bootloader is running
7 - Sample code for ISP, Rx/Tx, Software Rx/Tx
8 - Hardware Rx/Tx pins
USB connenctor used (eagle lib in sparkfun library)
https://www.sparkfun.com/products/8533
USB protection
http://www.st.com/web/en/resource/technical/document/datasheet/CD00001361.pdf
digikey part number - 497-2727-5-ND
Power jack
https://www.sparkfun.com/products/12748
Next Version Improvement
.
Friday, December 20, 2013
Arduino Hands-on Session
Check List
1) Aruduino Micro or Leonardo
2) Jumper wires (male-male and male-female)
3) LCD
4) Keyboard
5) Buzzer
6) Ultrasonic Distance Finder
7) LDR or photodiode
8) GPS and GSM shield
9) DC motor and shield, stepper motor and shield and servo motor
10) 9V Rechargable battery + Charger, 5V voltage regulator kit
11) Fine tip soldering iron, low guage soldering wire, sponge, wire cutter, ribbion cable, breadboard flexible connection wire, sparkfun breadboard power supply stick
10) 9V Rechargable battery + Charger, 5V voltage regulator kit
11) Fine tip soldering iron, low guage soldering wire, sponge, wire cutter, ribbion cable, breadboard flexible connection wire, sparkfun breadboard power supply stick
Installing Arduino IDE
Note - If you have previous version of Arduino installed, first uninstall the previous version and delete all files/folder and shortcuts (in start, shortcut pined to taskbar, desktop shortcut etc) associated with Arduino.1 - Copy "Arduino Workshop" folder to your local drive.
2 - Install Arduino with the setup file "arduino-1.0.5-windows" located inside this folder. ( optionally download setup file from here). Follow the instructions below to install Arduino IDE
Confirm the path of "Destination Folder" is "C:\Program Files\Arduino" or if you have 64bit OS it should be "C:\Program Files(x86)\Arduino". Click on Install.
Installation will proceed and following window will appear.
During installation, Windows will ask you to verify driver signature as shown below. Simply click on "Install this driver software anyway"
Once the installation is complete, you will see the following window. Simply click on "Close"
Installing Arduino Micro Driver.
1 - Open Device Manager windows (Start - Computer - Properties - Device Manager). Keep the window open.
2 - Connect ArduinoMicro to your computer. The device manager list will refresh and a new device will appear . Also the windows will try to search for driver in windows update. Click on "Skip obtaining driver software from Windows Update"
Right click on "USB IO Board" and click on "Update Driver Software ...."
Click on "Install this driver anyway".
After the drive is successfully installed, following window should appear. Go ahead and close
You can verify if the driver is installed correctly, it should appear as "Arduino Micro" in device manager.
Programing Arduino Micro
1 - Run Arduino IDE from newly created shortcut during installation.
2 - Go to Tools - Board and select Arduino Micro
3 - Go to Tools - Serial Port and select the serial port associated with ArduinoMicro (in my case COM35). To check which serial port is associated with ArduinoMicro, go to device manager.
4 - Close Arduino IDE and Restart it again. You are ready to use arduino board.
Modules
LCD Interface
- Use LUMEX 16x2 LCDs. They are compact but don't have back-light. For interfacing solder header to LCD and use jumper wires to make connection between LCD and arduino (can use arduino micro with sample code)- Note, it is very important to connect PIN3 of LCD. If left open or connected to 5V, it will seems that LCD is off or not working at all. You can connect this pin to GND and text will appear. However, the contrast will not be very good. Ideal you should use a 10K potentiometer
To Do:
1 - Put more delay in DigitalReadSerial and AnalogReadSerial code ~1000ms.
2 - Code for I2C networking, LCD display, keyboard
Order Links
1) Arduino Micro, Qt - 5
2) Breadboard power supply stick, Qt - 10
3) Wall adapter, Qt - 10
4) Barrel Jack Adapter, Qt - 12
5) 9V battery with charger, Qt - 2
6) Jumper Wire Kit M/M, Qt - 2
7) Jumper Wire Kit, M/F, Qt - 2
8) Jumper Wire Kit, F/F, Qt - 2
9) Male Header, Qt - 20
10) Female Header, Qt - 20
11) Solderable Breadboard, Qt - 10
12) Buzzer, Qt - 10
13) Stepper motor Drive, Qt - 2
14) DC motor driver, Qt - 2
15) Plastic Box, Qt - 10
Thursday, December 19, 2013
Finding Electronics Parts
Digi-Key
www.digikey.com
Dealextreme.com
www.dx.com
(ex - SD card module ~3$ )
Jameco
www.jameco.com
Fry’s
www.outpost.com (doesn’t
list all items in store)
Allied
www.alliedelec.com
Newark
www.newark.com
Radio Shack
www.radioshack.com
Hosfelt
www.hosfelt.com
www.digikey.com
Dealextreme.com
www.dx.com
(ex - SD card module ~3$ )
Jameco
www.jameco.com
Fry’s
www.outpost.com (doesn’t
list all items in store)
Allied
www.alliedelec.com
Newark
www.newark.com
Radio Shack
www.radioshack.com
Hosfelt
www.hosfelt.com
Tuesday, December 10, 2013
Persnal Mobile Lab (draft)
I like to have fun on the go. Here is my personal mobile lab which I carry with me everywhere I go.
1) FLUKE-179/EDA2 Multimeter
Digikey Part# 614-1-23-ND
Test and Measurement Tools
1) FLUKE-179/EDA2 Multimeter
Digikey Part# 614-1-23-ND
2) Oscilloscope: Tekscope THS720 (I bought it for cheap at ebay)
Its both an oscilloscope and an digital multimeter. You don't need an extra multimeter if you have this one.
3) Logic analyzer - Logic16
I bought PC based logic analyzer for $200 from here
Unless you really need it don't buy it.
4) Soldering Iron
I mostly work with SMD component and hence use fine tip soldering irons. Some options are
- 120V soldering iron station (WES51-120V-ND) $127
- 240V soldering iron station (WESD51D-240V-ND) $190
- (a) 230V soldering iron (T0056403799-ND) $57
(b) Soldering Iron stand ans sponge (PH60-ND) $16
- Tweezers (EROP7SA-ND), $3.7
another cheap option is to buy soldering iron locally and custom fit the fine tip.
Electronics Part
1) Resistors, Capacitors and Inductors
I bough bookstyle kit for resistors, capacitors and inductors kit for ~$60 each. It has almost all the components you may need. I liked the bookstyle packaging as its very portable.
Some Kits
Its good idea to keep kits like Arduino with you as you might not get change to make PCB on go.
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