Sparkfun Electronics Simon SMD Information & Instructions Download Page 1

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Simon SMD

Kit Information & Instructions

This is a kit of loose components that go along with the SMD Soldering Lecture. This is

considered an intermediate kit for people who have soldered through-hole components

before and wish to learn how to solder surface mount components. This kit comes with

a preprogrammed ATmega328. All parts are listed below.

Kit includes:

Additional Tools Needed:

• NCP1402 IC
• 10k Ohm Resistor
• 47μF Capacitor
• 10μF Capacitor
• 0.1μF Capacitor (qty: 2)
• MBRA140 Diode
• 22μH Inductor
• 330 Ohm Resistors (qty: 4)
• Pre-programmed ATmega328 TQFP IC

• Tweezers
• Soldering Iron
• Solder

• Solder Wick
• Flux
• Eye Protection

• Buzzer
• LEDs (qty: 4)
• Battery Clips (qty: 2)
• Switches (qty: 2)
• Screws (qty: 4)
• Standoffs (qty: 4)
• Bezel Frame
• Button Pad
• Battery

Summary of Contents for Simon SMD

Page 1: ...ount components This kit comes with a preprogrammed ATmega328 All parts are listed below Kit includes Additional Tools Needed NCP1402 IC 10k Ohm Resistor 47μF Capacitor 10μF Capacitor 0 1μF Capacitor qty 2 MBRA140 Diode 22μH Inductor 330 Ohm Resistors qty 4 Pre programmed ATmega328 TQFP IC Tweezers Soldering Iron Solder Solder Wick Flux Eye Protection Buzzer LEDs qty 4 Battery Clips qty 2 Switches...

Page 2: ...ldering Final Assembly Additional Info Troubleshooting LEDs Troubleshooting Jumpers Notes Learning More Section 1 3 4 16 22 34 36 38 40 42 44 Page Do While continuing to hold the iron in contact with the leg and metal pad feed solder into the joint Do Use a sponge to clean your iron whenever black oxidization builds up on the tip Don t Glob the solder straight onto the iron and try to apply the so...

Page 3: ...tion on the board Steps highlighted in yellow represent a polarized component Pay special attention to the component s markings indicating how to place it on the board 3 Touch iron s sweet spot to the start pad for 2 3 seconds 4 Pre tin the start pad by feeding solder into the joint 2 BOTTOM OF BOARD ...

Page 4: ...Page 6 Page 7 5 6 First pull solder away Second remove the iron 7 Solder should cover the entire pad and look like this a tiny pillow 8 Using your tweezers position the buzzer slightly away from the pad ...

Page 5: ...nderstand that alignment of the buzzer is very important You want to ensure the buzzer is centered and laying flat against the board See possible errors to the right Page 9 I II III IV To fix these potential problems reheat the solder while moving the buzzer into place with your tweezers BAD BAD GOOD ...

Page 6: ...t towards the rounded end on the PCB s silkscreen MBRA140 Diode Before soldering double check that the white line on the diode matches the line on the PCB s silkscreen The white line is similar to the line on the 10uF capacitor in step 10 22uH Inductor Make sure the inductor remains inside it s white outline after you ve soldered both legs BOTTOM OF BOARD CONTINUE WITH THE BOTTOM OF THE BOARD STEP...

Page 7: ...ors are not polarized However they do have a value marking on the top side Make sure the marking is facing up 0 1uF Capacitors Ceramic capacitors like these are not polarized They don t have a value marking This means they can be soldered into place in any rotation BOTTOM OF BOARD ...

Page 8: ...rs these are not polarized Make sure the writing on the part 103 is facing up 47uF Capacitor The white line on the capacitor should point towards the rounded end on the PCB s silkscreen BOTTOM OF BOARD Remember components highlighted yellow are polarized 47uF Capacitor 15 ...

Page 9: ...d the pad size is smaller Although this is more challenging you will use the same methods as before 17 Locate the NCP1402 Be sure to match up the legs with the pads on the PCB This component is polarized Locate the NCP1402 position on the board 18 Remember components highlighted yellow are polarized 19 Touch iron s sweet spot to the start pad for 2 3 seconds 20 Pre tin the start pad by feeding sol...

Page 10: ... common error for these smaller types of components is a jumper To help avoid these try not to use too much solder Understand the alignment of the component is important and should be oriented to look like the picture I II III BAD GOOD Learn how to fix a jumper on Page 40 in the Troubleshooting section Add solder to the remaining 4 pads IV ...

Page 11: ...oose any pad to be your Start Pad ATMega328 22 ATMega328 Microcontroller Match up the circle on the IC with that on the PCB s silkscreen Solder a corner leg of the IC and verify that the chip is well alligned Continue to solder the remaining 31 legs BOTTOM OF BOARD Remember components highlighted yellow are polarized CONTINUE WITH THE BOTTOM OF THE BOARD ...

Page 12: ...nd metal ring at the same time Do While continuing to hold the iron in contact with the leg and metal ring feed solder into the joint Do Use a sponge to clean your iron whenever black oxidization builds up on the tip Don t Glob the solder straight onto the iron and try to apply the solder with the iron QUICKSTART PTH SOLDERING PTH SOLDERING TIPS ...

Page 13: ...on the board 24 CONTINUE WITH THE TOP OF THE BOARD STEPS23T027 25 Insert the LED into the PCB so that the short leg goes into the hole labeled with the sign 26 Push the LED in so it is flush with the board 27 Slightly bend the legs outward to hold it in place Remember components highlighted yellow are polarized ...

Page 14: ...ron s Sweet Spot so it touches both the leg and the metal ring Hold for 2 seconds Pull the solder away Feed solder into the joint Remove the iron For step 28 there are four sub steps I III II IV CONTINUE WITH THE BOTTOM OF THE BOARD STEPS28T031 BOTTOM OF BOARD ...

Page 15: ...Page 28 Page 29 29 31 30 Your solder joint should look like this a tiny volcano Clip off any excess legs Using the same PTH methods add solder to the second leg ...

Page 16: ...der the next components LEDs 32 LEDs indicator lights Just as you did with the first LED make sure the short leg goes into the hole labeled Also make sure it sits flush with the PCB Then solder into place TOP OF BOARD CONTINUE WITH THE TOP OF THE BOARD STEPS32T034 Remember components highlighted yellow are polarized ...

Page 17: ...quire a lot more heat to melt the solder you need to leave the iron tip on a bit longer than usual 5 6 seconds Don t touch the clip after soldering Give it some time to cool off Slide Switches Keep the iron tip away from the black part of the switch Plastic melts easily and stinks Slide Switches 33 Battery Clips 34 Remember components highlighted yellow are polarized ...

Page 18: ...nsert the screws through the bezel and button pad then twist standoffs onto the protruding screw Hand tighten AA Battery 38 Bezel holds button pad Attach to top Lay bezel over button pad with notches for the screws pointing up Bezel 36 Button Pad game control Attach to top Lay rubber button pad over LEDs Button Pad 35 No screwdriver necessary Please only hand tighten the screws and standoffs 38 37...

Page 19: ... seems It can be re programmed to do many different things You can write code to change your Simon into a new unique project To learn more please check out our online tutorial here sparkfun com tutorials 203 And for even more fun stuff go here learn sparkfun com EXTRA FUN As an example of how the Simon is more than just a game we have included a special feature in the code Just for fun try this ou...

Page 20: ...I Failing LEDs Don t fret there is an easy way to fix it The most common cause of a failing LED is incorrect polarity We have designed a special trick into the Simon PCB You can simply cut the two traces and close two jumpers This will swap the polarity without having to remove the LED TROUBLESHOOTING LEDS TROUBLESHOOTING LEDS ...

Page 21: ... There are actually two pins under that blob III Put a small amount of solder on the end of your iron this will transfer heat from iron to wick to the jumper Sandwich the wick in between the iron and the solder jumper Hold still for 2 3 seconds You will see solder start to flow up the wick IV V Pull both away Nice and clean Locate a piece of solder wick II ...

Page 22: ...Page 42 Page 43 Notes ...

Page 23: ...mal for the handle of the soldering iron to heat up a bit Hold it like a pencil and move your hand further away from the tip if the heat is uncomfortable The solder smokes because the rosin inside the solder is burning off it s not harmful Buzzer and Other Components The buzzer makes the noise for the game pretty simple The capacitors help clean up the power on the board The resistor tells the mic...

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