Building an Arduino from scratch. Prezo from "Hardware Hacking for Software Hackers" https://www.eventbrite.com/e/hardware-hacking-for-software-hackers-tickets-16408193348

1. Making your own Arduino
from scratch.
By Kevin Rohling
DIY ARDUINO

2. ABOUT ME
• VP of Product at Emberlight
• Former Founder/CEO at cisimple (ship.io)
• Software guy who likes to hack on hardware things

3. WHY BUILD YOUR OWN ARDUINO?

4. WHY BUILD YOUR OWN ARDUINO?
• Prototyping

5. WHY BUILD YOUR OWN ARDUINO?
• Prototyping
• Learning about electronics

6. WHY BUILD YOUR OWN ARDUINO?
• Prototyping
• Learning about electronics
• Will make you more attractive

7. WHAT DO YOU NEED TO GET STARTED?
Arduino IDE

8. WHAT DO YOU NEED TO GET STARTED?
Microcontroller
ATTiny
• Up to 20MHz
• 8KB Flash
• 8 Pins
ATMega
• Up to 20MHz
• 32Kb Flash
• 32 Pins

9. WHAT DO YOU NEED TO GET STARTED?
Soldering Iron
• Soldering is easy
• Soldering iron is about $50

10. WHAT DO YOU NEED TO GET STARTED?
Other Components
• Resistors
• Capacitors
• LEDs
• Pin Headers
• Solder

11. MAKING YOUR PCB
Step 1: Design (CAD)

12. MAKING YOUR PCB
Step 2: Fabrication

13. MAKING YOUR PCB
Step 3: Assembly

14. EXAMPLE
Parts
• ATTiny 85
• 3 x Resistors
• RGB LED
• 2x3 Pin Header
• Power Switch
• Coin Cell Battery Holder

15. EXAMPLE
EAGLE DEMO

16. EXAMPLE
Throughole vs SMD

17. PROGRAMMING
Tiny AVR Programmer
• Super easy to use
• Well supported from Arduino IDE
• Only about $20 on SparkFun

18. PROGRAMMING
Arduino as ISP
• Just use your existing Arduino!
• Well supported from Arduino IDE
• Re-program a chip you’ve already
soldered to your PCB

19. RESOURCES
Parts
• SparkFun
• Adafruit
PCB Fabrication
• OSH Park
• Seeed Studio
Tutorials
• SparkFun: Using Eagle

20. KEVIN ROHLING
@kevinrohling
kevin@kevinrohling.com
http://www.slideshare.net/kevinrohling