Product Development Using the Atmel 328P Chipset

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In this slide deck I discuss strategies for using the Atmel 328P chip in your own circuits and building printed circuit boards from your designs.

Technology

Outline
• Why I like using Arduino
• Prototypes on board / off board
• Things you need to know … tech tips
• Drawing the schematic
• Ordering a Printed Circuit board
4/27/2020 2
Evan J. Williams Evan Williams
Consulting, LLC

Goal
• Create a circuit that we needed!
• Prototyping the circuit
• Design considerations
• Produce several copies (Printed Circuit Board)
• Document the circuit (Schematic) and the
program (Arduino sketch) … adding Libraries
for our new Shield!!
4/27/2020 3
Evan J. Williams Evan Williams
Consulting, LLC

Prying the Chip off The board
• Don’t bend the pins!
• Picture of Chips, of Blank Shields, of
Capacitors, the 7805 regulator, the 3.3 V
regulator, talk about voltage levels all in one
slide!!!!!
• And onto the breadboard.
4/27/2020 4
Evan J. Williams Evan Williams
Consulting, LLC

Going Off Board 1 of 13
4/27/2020
Evan J. Williams Evan Williams
Consulting, LLC
5

Going Off Board 2 of 13
4/27/2020
Evan J. Williams Evan Williams
Consulting, LLC
6

Going Off Board 3 of 13
4/27/2020
Evan J. Williams Evan Williams
Consulting, LLC
7

Going Off Board 4 of 13
4/27/2020
Evan J. Williams Evan Williams
Consulting, LLC
8

Going Off Board 5 of 13
4/27/2020
Evan J. Williams Evan Williams
Consulting, LLC
9

Going Off Board 6 of 13
4/27/2020
Evan J. Williams Evan Williams
Consulting, LLC
10

Going Off Board 7 of 13
4/27/2020
Evan J. Williams Evan Williams
Consulting, LLC
11

Going Off Board 8 of 13
4/27/2020
Evan J. Williams Evan Williams
Consulting, LLC
12

Going Off Board 9 of 13
4/27/2020
Evan J. Williams Evan Williams
Consulting, LLC
13

Going Off Board 10 of 13
4/27/2020
Evan J. Williams Evan Williams
Consulting, LLC
14

Going Off Board 11 of 13
4/27/2020
Evan J. Williams Evan Williams
Consulting, LLC
15

Going Off Board 12 of 13
4/27/2020
Evan J. Williams Evan Williams
Consulting, LLC
16

Going Off Board 13 of 13
4/27/2020
Evan J. Williams Evan Williams
Consulting, LLC
17

Going off Board I
• Clock
• Power
• USB
4/27/2020 18
Evan J. Williams Evan Williams
Consulting, LLC

Going Off-Board II
• Breadboard
• Power
– There is a power regulator on the UNO but how
much can power can it source?
• Crystal
– I found that the breadboard had stray capacitance
• Test using Blink
– Pin 13 Onboard or off
4/27/2020 19
Evan J. Williams Evan Williams
Consulting, LLC

Going off Board II
• FTDI – Your own programmer
• Available at Sparkfun (model number)
• FT232RL
4/27/2020 20
Evan J. Williams Evan Williams
Consulting, LLC

Arduino IDE
• Get the prototype to work!
4/27/2020 21
Evan J. Williams Evan Williams
Consulting, LLC

Other Arduinos and Chipsets
• It seems that everyday you hear about a new
small board computer.
• These techniques are equally valuable for
building a custom HAT for Raspberry Pi
• Did I try Raspberry Pi?
4/27/2020 22
Evan J. Williams Evan Williams
Consulting, LLC

Catching the Bus
• I2C
• SPI
• Dallas One Wire
… the list goes on!
Picture of bits!
4/27/2020 23
Evan J. Williams Evan Williams
Consulting, LLC

Pictures of Breadboards
USB Device Circuit4/27/2020 24
Evan J. Williams Evan Williams
Consulting, LLC

Introduction to Kicad
• Drawing the Schematic (you can help me with
my USB project)
4/27/2020 25
Evan J. Williams Evan Williams
Consulting, LLC

Kicad
4/27/2020
Evan J. Williams Evan Williams
Consulting, LLC
26

Next Steps
• Build a Prototype or two (wired, soldered)
• Design and order a Printed Circuit Board (we
used to print these at home)
4/27/2020 27
Evan J. Williams Evan Williams
Consulting, LLC

Pictures of prototypes
LCD Display Shield
4/27/2020 28
Evan J. Williams Evan Williams
Consulting, LLC

Drawing the Schematic
4/27/2020
Evan J. Williams Evan Williams
Consulting, LLC
29

The finished artwork
4/27/2020
Evan J. Williams Evan Williams
Consulting, LLC
30

Moving to a finished PCB
4/27/2020 31
Evan J. Williams Evan Williams
Consulting, LLC

The finished PCB!
4/27/2020 32
Evan J. Williams Evan Williams
Consulting, LLC

Surface Mount Technology (SMT)
4/27/2020 33
Evan J. Williams Evan Williams
Consulting, LLC

Oops!
4/27/2020 34
Evan J. Williams Evan Williams
Consulting, LLC

Pictures of the Final Board
4/27/2020 35
Evan J. Williams Evan Williams
Consulting, LLC

Useful Things
• Interrupts
• Timers
• Pulse Width Modulation
4/27/2020 36
Evan J. Williams Evan Williams
Consulting, LLC

Keep it Going!
• Thanks!
• Evan Williams
• Evan Williams Consulting, LLC
• www.evanwilliamsconsulting.com
• www.evtechnote.us
4/27/2020 37
Evan J. Williams Evan Williams
Consulting, LLC

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Product Development Using the Atmel 328P Chipset

1. Product Development with the Atmel 328P Chipset (Arduino UNO) “The Arduino Logo is a Trademark [of Arduino AG] and can only be used by Arduino on products, websites and publications.” https://www.arduino.cc/en/Trademark/CommunityLogo Or some other chipset! Evan J. Williams Evan Williams Consulting, LLC

2. Outline • Why I like using Arduino • Prototypes on board / off board • Things you need to know … tech tips • Drawing the schematic • Ordering a Printed Circuit board 4/27/2020 2 Evan J. Williams Evan Williams Consulting, LLC

3. Goal • Create a circuit that we needed! • Prototyping the circuit • Design considerations • Produce several copies (Printed Circuit Board) • Document the circuit (Schematic) and the program (Arduino sketch) … adding Libraries for our new Shield!! 4/27/2020 3 Evan J. Williams Evan Williams Consulting, LLC

4. Prying the Chip off The board • Don’t bend the pins! • Picture of Chips, of Blank Shields, of Capacitors, the 7805 regulator, the 3.3 V regulator, talk about voltage levels all in one slide!!!!! • And onto the breadboard. 4/27/2020 4 Evan J. Williams Evan Williams Consulting, LLC

5. Going Off Board 1 of 13 4/27/2020 Evan J. Williams Evan Williams Consulting, LLC 5

6. Going Off Board 2 of 13 4/27/2020 Evan J. Williams Evan Williams Consulting, LLC 6

7. Going Off Board 3 of 13 4/27/2020 Evan J. Williams Evan Williams Consulting, LLC 7

8. Going Off Board 4 of 13 4/27/2020 Evan J. Williams Evan Williams Consulting, LLC 8

9. Going Off Board 5 of 13 4/27/2020 Evan J. Williams Evan Williams Consulting, LLC 9

10. Going Off Board 6 of 13 4/27/2020 Evan J. Williams Evan Williams Consulting, LLC 10

11. Going Off Board 7 of 13 4/27/2020 Evan J. Williams Evan Williams Consulting, LLC 11

12. Going Off Board 8 of 13 4/27/2020 Evan J. Williams Evan Williams Consulting, LLC 12

13. Going Off Board 9 of 13 4/27/2020 Evan J. Williams Evan Williams Consulting, LLC 13

14. Going Off Board 10 of 13 4/27/2020 Evan J. Williams Evan Williams Consulting, LLC 14

15. Going Off Board 11 of 13 4/27/2020 Evan J. Williams Evan Williams Consulting, LLC 15

16. Going Off Board 12 of 13 4/27/2020 Evan J. Williams Evan Williams Consulting, LLC 16

17. Going Off Board 13 of 13 4/27/2020 Evan J. Williams Evan Williams Consulting, LLC 17

18. Going off Board I • Clock • Power • USB 4/27/2020 18 Evan J. Williams Evan Williams Consulting, LLC

19. Going Off-Board II • Breadboard • Power – There is a power regulator on the UNO but how much can power can it source? • Crystal – I found that the breadboard had stray capacitance • Test using Blink – Pin 13 Onboard or off 4/27/2020 19 Evan J. Williams Evan Williams Consulting, LLC

20. Going off Board II • FTDI – Your own programmer • Available at Sparkfun (model number) • FT232RL 4/27/2020 20 Evan J. Williams Evan Williams Consulting, LLC

21. Arduino IDE • Get the prototype to work! 4/27/2020 21 Evan J. Williams Evan Williams Consulting, LLC

22. Other Arduinos and Chipsets • It seems that everyday you hear about a new small board computer. • These techniques are equally valuable for building a custom HAT for Raspberry Pi • Did I try Raspberry Pi? 4/27/2020 22 Evan J. Williams Evan Williams Consulting, LLC

23. Catching the Bus • I2C • SPI • Dallas One Wire … the list goes on! Picture of bits! 4/27/2020 23 Evan J. Williams Evan Williams Consulting, LLC

24. Pictures of Breadboards USB Device Circuit4/27/2020 24 Evan J. Williams Evan Williams Consulting, LLC

25. Introduction to Kicad • Drawing the Schematic (you can help me with my USB project) 4/27/2020 25 Evan J. Williams Evan Williams Consulting, LLC

26. Kicad 4/27/2020 Evan J. Williams Evan Williams Consulting, LLC 26

27. Next Steps • Build a Prototype or two (wired, soldered) • Design and order a Printed Circuit Board (we used to print these at home) 4/27/2020 27 Evan J. Williams Evan Williams Consulting, LLC

28. Pictures of prototypes LCD Display Shield 4/27/2020 28 Evan J. Williams Evan Williams Consulting, LLC

29. Drawing the Schematic 4/27/2020 Evan J. Williams Evan Williams Consulting, LLC 29

30. The finished artwork 4/27/2020 Evan J. Williams Evan Williams Consulting, LLC 30

31. Moving to a finished PCB 4/27/2020 31 Evan J. Williams Evan Williams Consulting, LLC

32. The finished PCB! 4/27/2020 32 Evan J. Williams Evan Williams Consulting, LLC

33. Surface Mount Technology (SMT) 4/27/2020 33 Evan J. Williams Evan Williams Consulting, LLC

34. Oops! 4/27/2020 34 Evan J. Williams Evan Williams Consulting, LLC

35. Pictures of the Final Board 4/27/2020 35 Evan J. Williams Evan Williams Consulting, LLC

36. Useful Things • Interrupts • Timers • Pulse Width Modulation 4/27/2020 36 Evan J. Williams Evan Williams Consulting, LLC

37. Keep it Going! • Thanks! • Evan Williams • Evan Williams Consulting, LLC • www.evanwilliamsconsulting.com • www.evtechnote.us 4/27/2020 37 Evan J. Williams Evan Williams Consulting, LLC

Product Development Using the Atmel 328P Chipset

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