Hardware Hacking area: Make Cool Things with Microcontrollers (and learn to solder)
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Hardware Hacking area: Make Cool Things with Microcontrollers (and learn to solder)
- 1. Hacking Cool things With Microcontrollers! Mitch Altman Chief Scientist, Cornfield Electronics, San Francisco, CA USA Author of The Brain Machine in MAKE Magazine #10 Inventor of TV-B-Gone universal remote control email: mitch@CornfieldElectronics.com site: www.CornfieldElectronics.com Codebits November 14, 2008
- 2. I Love My Job!
- 3. Why make cool things with Microcontrollers?
- 4. Why make cool things with Microcontrollers? Microcontrollers are fun to play with And anyone can learn…
- 5. Examples of Cool Microcontroller Projects (in my opinion) TV-B-Gone Kit TV-B-Gone TV-B-Gone Pro
- 6. Examples of Cool Microcontroller Projects (in my opinion) MiniPOV3 kit Solar BugBot The Brain Machine LED Cube Trippy RGB Light
- 7. Examples of Cool Microcontroller Projects (in my opinion) Mignonnette Game kit
- 8. Examples of Cool Microcontroller Projects (in my opinion) Trippy RGB Waves kit
- 9. What is a Microcontroller?
- 10. What is a Microcontroller? A complete computer on a chip (with a little extra stuff) RAM Program Processor Memory Inputs Input/Output Outputs Timers
- 11. What Does a Microcontroller Do? Like all computers: Fetch Instruction Execute Instruction Repeat forever (till power goes off)
- 12. How to Make Cool Things with Microcontrollers • Idea • Hardware • Firmware • Coolness!
- 13. Hello World Make an LED blink
- 14. Hello World – Hardware Battery + Resistor LED Microcontroller Battery - Battery -
- 15. Hello World – Digression: (Very) Basic Electronics Lesson Electronics: electrons flowing through wires and parts (sorta like water flowing through pipes) Current -- speed of electrons flowing Battery -- like a pump pushing electrons Resistor -- like a kink in a pipe, slows down electrons Diode -- one-way valve for current LED -- special diode: emit photons when current flows Transistor -- remotely controlled switch Microcontroller -- zillions of transistors!
- 16. Hello World – Firmware Assign a value to a variable: Software: X = 00000001 Firmware: X = 00000001
- 17. Hello World – Firmware Changing an output pin: PortA = 00000001 PortA = 00000000
- 18. Hello World – Firmware Changing an output pin (using manual delay): PortA = 00000001 Call Delay PortA = 00000000 ----------- Delay: Count = 0 Wait: Count = Count + 1 If Count < 10,000 goto wait Return
- 19. Hello World – Firmware Changing an output pin (using hardware timer): Main: Call Init PortA = 00000001 Call Delay PortA = 00000000 Sleep ----------- Delay: Timer0 = 60,000 Wait: If Timer0flag = 0 goto wait Return
- 20. Hello World – Firmware Advanced topic: Changing an output pin (using interrupts): Main: Call Init PortA = 00000001 Call Delay PortA = 00000000 Sleep ----------- ISR: Delay: TimeFlag=1 Timer0 = 60,000 Wait: Return If TimeFlag = 0 goto wait Return
- 21. Hello World – programming your chip Use software on your computer Text Editor Compiler Programmer Specific software Depends on your microcontroller PIC, AVR, etc. Need hardware programmer (often very cheap)
- 22. Real Project: Ladyada’s MiniPOV3 Just like “Hello World”, but 8 LEDs and different timing Etc…
- 23. Hacking! : The easy way to make your cool microcontroller projects
- 24. Hacking! TV-B-Gone from MiniPOV3 kit
- 25. Hacking! TV-B-Gone Kit from MiniPOV3 hack
- 26. Hacking! TV-B-Gone Pro from TV-B-Gone Kit
- 27. Hacking! Trippy RGB Light from MiniPOV3 kit ... ... 1/2 brightness Pulse Width ... ... 1/4 brightness Modulation (PWM) ... ... min brightness
- 28. Hacking! Trippy RGB Waves kit from Trippy RGB Light IR detector causes interrupt when it sees IR reflecting from your hand
- 29. Hacking! Solar BugBot from MiniPOV3 kit
- 30. Hacking! LED Cube from MiniPOV3 kit (First NYC Resistor Project)
- 31. Hacking! Brain Machine from MiniPOV3 kit Synchronizes your brain to a desired brainwave sequence (and hallucinate along the way!) WARNING: Blinking lights are not good for people with epilepsy
- 32. Brain Machine
- 33. Video by Bre Pettis What’s It Like?
- 34. Come by the Workshop Hardware Hacking Area Microcontrollers are fun to play with And anyone can learn!
- 35. Q&A
- 36. Hacking Cool things With Microcontrollers! Mitch Altman Chief Scientist, Cornfield Electronics, San Francisco, CA USA Author of The Brain Machine in MAKE Magazine #10 Inventor of TV-B-Gone universal remote control email: mitch@CornfieldElectronics.com site: www.CornfieldElectronics.com Codebits November 14, 2008