PDF - Adafruit Learning System
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1. ooo Ea oog see NN es d wo QOG e eeoeen een oe oeeced QG RRA p vee oe eg OO CVS e eTo 0 t oN o s PT eee ee see e oo ese else http learn adafruit com adafruit menta kit mint tin arduino Page 14 of 31 compatible Adafruit Industries 5 eeoseeoeoooooA QG CSSR 8 k ee aoaaa di 2 aaa ad EE ee see e es Too a oog En o o 3 K p Oor 99 Teese Adafruit Industries http learn adafruit com adafruit menta kit mint tin arduino compatible Using your diagonal cutters cut off the long leads just above the solder joint Now we can do the other two resistors Start with R2 another 1 0K ohm resistor Brown Black Red Gold and then R1 Brown Black Orange Gold R2 is used to set the brightness of the green LED which indicates when the board is correctly powered R3 is used as part of the reset circuitry it keeps the Arduino chip active when you want to and helps reset it when the RESET button is pressed Bend and place them inthe slots labeled R2 and R3 Page 15 of 31 Flip over the PCB and solder the 2 resistors e o oe Clip the two resistors leads sssesessoresrssese oe sed d TOER sees Ga Jeee e orv e eee wee 09000909 CK E ed D ooo ooo OG ZCN r OS 6esoesoPSKHOOS o gt esse eee e Next we will solder in the ceramic capacitors Ceramic capacitors are used2. ANE for high frequency filtering and noise SW LOL 2 reduction They ll keep the power supply gelee sets esel system stable even if you re doing high bee Ce MKS EEN current stuff like motors or really big wy ce LEDs dIE N The ceramic capacitors are yellow blobs mininin place them in location C1 C2 C3 and C4 Like resistors ceramic capacitors are not polarized so they can be inserted either way and will work fine a I Ne Bend out the leads like the resistors to dd Keep them flat against the PCB http learn adafruit com adafruit menta kit mint tin arduino compatible Adafruit Industries Page 16 of 31 Solder all the capacitor leads j eeeesee eo eee Clip them short just like the resistors oo 2006699 e eoa O z OR sa 5 loo a S Q OG 2 S PROG SeSe Oee eS e oo ese d eee ee eet ee soe seed t o A _ Next up we will place the RESET button this is what you press to reset the Menta say if you want to start the program over aX XXX fd 4 IK Y aas Buttons are symmetric and they only fit N B eet i Q the holes one way so just press it into place and it should snap in http learn adafruit com adafruit menta kit mint tin arduino Page 17 of 31 Adafruit Industries compatible CE x z esececesooo De es p coy Suite S ma TER P 6 6 eee eeens ee 6 odes oe ee Adafruit Industries h
3. in the FTDI adapter Be sure to select Arduino Duemilanove w ATmega328 as the board http learn adafruit com adafruit menta kit mint tin arduino compatible Adafruit Industries Page 29 of 31 Be Blink Arduino 1 0 Blink Blink Turns on an This example void setup initializ Pin 13 Are Auto Format Archive Sketch Fix Encoding amp Reload Serial Monitor Ctrl T Ctrl Shift M Serial Port COM70 USB Type CPU Speed k eyboar OL ayout Board Arduino Duemilanove wi Programmer Burn Bootloader En YV Y A Tr DOEL CUICGUCU UIT PEI TT 1 Pin 11 Teensy 2 0 has the LED on pin 11 Pin 6 Teensy 2 0 has the LED on pin 6 pinMode 13 OUTPUT raid Taanit f Now try to upload the File gt Examples gt Basics gt Blink example sketch Red LED on the Menta should blink Adafruit Industries compatible Teensy 1 0 Teensy 2 0 Teensy 1 0 Teensy 2 0 Adafruit 32u4 w AVR109 TeensyCore Arduino Uno Arduino Duemilanove wi ATmega3z8 Arduino Diecimda or Duemdanove wf ATmegal68 Arduino Mega 2560 or Mega ADK Arduino Mega ATmegal280 Arduino Ethernet Arduino NG or older wi ATmega168 Arduino NG or older wi ATmega http learn adafruit com adafruit menta kit mint tin arduino If successful the Page 30 of 31 adafruit learning system Download Software If you re using an FTDI Frie
4. lets the Menta chip run ata brisk 16 million clocks per second This oscillator comes in a orange shape with three pins Luckily it s symmetric so just place it any way you like Then bend the leads flip over the PCB and solder it in When done clip the leads gt gt Ed e A e22202299096 ee ee ee kk a wee se eee eee P a 2666069 Og 000 my gt Q99 KJ DES gt RM Keek Kk KR RRT eee OORSSESee ee Ha A e oe eeedgds ee e s eee eos ec Now we re at the toughest part of the kit Luckily we have done so many parts so far you should be a little comfortable with the iron We re going to place the header in the PCB The problem with header is the leads are so short you can t bend them when flipping the PCB over so we ll use tape or if you have something like clay or playdough or tack that works well as well Take the long stick of break away header and break off 6 pin and 3 pin piece You can keep the rest for a future project its handy stuff http learn adafruit com adafruit menta kit mint tin arduino compatible Adafruit Industries Page 22 of 31 N TR ER eeens E FE aa 000009 26 Doe fn da N gt OOG M n CRC Ka s a gt g ree a SEREEN s OOS 1 6EESSSOPOLKKOD RRA 6 6 even OUD 8 ee a Adafruit Industries r http learn adafruit com adafruit menta kit mint tin ard
5. sketches you must have the jumper set right If you want to power it from the DC jack place the jumper on the DC side of the 3 pin header If you re going to power it via the FT DI connector place it in the USB side The jumper is to the left of the RESET button Make sure that the green LED is lit once you have the board powered if the green LED is off there s no power check your adapter or battery or cable and get the LED lit before continuing Use with Arduino IDE OK so now you want to upload code right First up you will need an FT DI Friend http adafru it 284 or FTDI Cable http adafru it 70 to talk to the computer via USB If this is your first time using an FTDI adapter you will want to follow our little tutorial on downloading and installing the drivers includes download for FTDI drivers http adafru it cl3 drivers are required If you re using an FTDI cable connect it so that the black wire is next to the silkscreen text blk and the green wire is next to the grn text you can also remember it s next to the Green LED If you re using an FTDI friend match up the texts both say black and green http learn adafruit com adafruit menta kit mint tin arduino Page 28 of 31 compatible Adafruit Industries Pe f 2tiitig SN B cqeeqeeceeeeee mag PM dv _ ers Connect the FTDI adapter to your computer and start the IDE Select the COM or dev tty port that is created when you plugged
6. D light up If not something is wrong either the LED is in backwards or your power supply isn t working Go back and check your work until you can figure out what happened Once you know the 5V power supply is working we can continue Next up we will solder in the 3 3V regulator This will let us power the many 3 3V sensors and accessories out there a nice little extra The chip we ll be using is the MCP1700 330 you should be able to see this marking on the face of the little chip This regulator can supply up to 250mA which is plenty for nearly any device you ll be using Place the chip so that the flat face matches the flattened image silkscreened on the PCB Next we will be placing the 28 pin socket next to it This socket is a mechanical ve msn sie holder it holds the ATmega328 chip EN Sd that drives the Menta We socket it for a few reasons one to protect the chip to make it easier to replace in case of damage and so that you don t have to worry about accidentally soldering it in backwards If you mess up on the socket it s a lot easier to fix than if you do the same with the chip The socket has a little half moon notch on one end Make sure that this notch matches the notch on the silkscreen it will help you align the chip later If you get this wrong don t try to remove the socket just keep going http learn adafruit com adafruit menta kit mint tin arduino compatible Adafrui
7. Every time you press the button it should flash again Once you re happy remove the DC power and we can finish up This part is optional but if you want to plug in shields you ll want to complete it If you want a more compact Menta skip it Like the Arduino the Menta has the ability to take shields pluggable add ons to increase the functionality If you want to have this ability grab the two 8 pin female headers and two 6 pin female headers and place them in the outer pins marked Digital VO and Analog I O there are two sets of pins so be sure to use the OUTER ones If you have a shield handy you can plug it in now to test the fit and hold the female headers straight while you solder them in Otherwise use tape or if you re dextrous hold the header with one finger while soldering Solder in the 4 sets of header all of the pins Page 26 of 31 Finally you can finish your kit by placing the four rubber bumpers over the EF enen mounting hole spots These will keep the EEN TTE Menta off your desk to avoid scratching eos 3 DEERE it or accidentally shorting against a piece of wire That s it You re done Now you can read the User Manual for details on how to upload your favorite Arduino sketches http learn adafruit com adafruit menta kit mint tin arduino Page 27 of 31 compatible Adafruit Industries ve adafruit learning system Use it Powering it Before you can even upload
8. cc Adafruit Industries 5V regulator 7805 TO 220 package 3 3V regulator MCP1700 330 TO 92 Package Bypass capacitor O 1uF ceramic Electrolytic capacitor 47uF 25V or higher 100uF 6 3V capacitor or higher the image shows a http learn adafruit com adafruit menta kit mint tin arduino compatible 7805 1 MCP1700 3302E TO 1 Ceramic Capacitor 4 Electrolytic Capacitor 1 Electrolytic Capacitor 2 Page 10 of 31 10V but 6 3V is fine 10K ohm 1 4W 5 R1 resistor brown black Generic Resistor 1 orange gold 1 0K 1 4W 5 resistor R2 R3 brown black red gold Generic Resistor 2 D3 3mm red LED 3mm red diffused 1 D2 3mm green LED 3mm green diffused 1 SW1 6mm tact switch button 6mm tact switch 1 ICSP P E e oe xe 2x3 pin header 1 Spacing 36 pin male header 0 1 spacing 0 1 male header strip 1 Jumper 1 pt 6 pin Female Header 2 http learn adafruit com adafruit menta kit mint tin arduino compatible Adafruit Industries Page 11 of 31 al 8 pin Female Header 2 es eS Bumpers Adafruit Industries A PCB Circuit board Adafruit Industries 1 http learn adafruit com adafruit menta kit mint tin arduino compatible Adafruit Industries Page 12 of 31 Soldering amp Assembly oes oes re eo ed E se 7 ss dd MIT Adafruit Industries http learn adafruit com adafruit menta kit mint tin arduino ve adafruit learning system Prepar
9. e checked the polarity of the capacitors flip over the PCB and solder them in Clip the leads when done tee as ese 7 i se a e oe ewo obie 6 ogot o t O e Now we will solder in the indicator LEDs These LEDs are the Menta s way of telling you what s going on LEDs are Light Emitting Diodes which means that like the 1N4001 they have a polarity and won t work if placed backwards Like capacitors the also have a longer wire that indicates the positive lead Place this wire in the hole marked with a First we will place the green LED this is the power indicator LED Then place the red LED this is the pin 13 bootloading indicator LED http learn adafruit com adafruit menta kit mint tin arduino Page 20 of 31 compatible Adafruit Industries Solder both LEDs in clip the leads when done Now we can place the big power jack This is how we can plug ina battery or power adapter The power adapter has big flat pins these are both so it can pass a lot of Current and also so it will stay mechanically attached to the board use a lot of solder to fill in the big pads completely a 689006000 d a mr on N amp IA 009 2 Ten Wte 660 annaa tie 6 oomoo o t oe em s o ese eee o o Oe Pe 6 http learn adafruit com adafruit menta kit mint tin arduino compatible Adafruit Industries Page 21 of 31 Next up is the 16 00 MHz crystal X1 This crystal is what
10. e to assemble the kit by checking the parts list and verifying you have everything Next heat up your soldering iron and clear off your desk Place the circuit board in a vise so that you Can easily work on it The first component we will be placing is called R3 and it s right in the middle of the PCB R3 is a 1000 ohm 1Kohm resistor with Brown Black Red Gold stripes Be careful you don t confuse it with the 10K resistor which has an orange Stripe If you re not Sure use a multimeter to check This resistor sets the brightness of the red LED that s used by the Arduino to indicate when it s bootloading downloading sketches Bend the resistor into a staple shape and place it in the slot indicated right over the resistor shaped silkscreen image Resistors do not have polarity so no worries about putting it in backwards they work the same either way Page 13 of 31 Bend out the long metal leads so the resistor sits flat agains the board and flip the PCB over Now we will solder in the first part Heat up your soldering iron about 700 degrees F is common but you may need to adjust it higher for lead free Using your soldering iron tip press and heat both the pad the silver ring around the hole and lead wire at the same time for 2 or 3 seconds Then poke the end of the wire into create a nice solder joint Do this for both leads wee ee OOS SO e wee e e Soes e TREES se KEERI I S E
11. f components once you have soldered them in place Click here to buy our favorite http learn adafruit com adafruit menta kit mint tin arduino Adafruit Industries compatible Page 7 of 31 Adafruit Industries cutters http adafru it 152 Solder Sucker Strangely enough that s the technical term for this desoldering vacuum tool Useful in cleaning up mistakes every electrical engineer has one of these on their desk Click here to buy a one http adafru it 148 Helping Third Hand With Magnifier Not absolutely necessary but will make things go much much faster and it will make soldering much easier Pick one up here http adafru it 291 http learn adafruit com adafruit menta kit mint tin arduino compatible Page 8 of 31 ve adafruit learning system Parts List Check to make sure your kit comes with the following parts Sometimes we make mistakes so double check everything and email support adafruit com if you need replacements Image Name Description More Info JO ty Ed with ba megasa er 20P IC1 Arduino bootloader oi Og rennet 1 when purchased ina Adafruit Programmed kit IC1 28 pin socket 28 pin socket 1 X1 16 00 MHz ceramic 16 mhz ceramic 1 oscillator resonator 2 1mm Power Jack CUI PJ 202AH 1 Eo D 1N4001 diode Generic 1N4001 1 dn indel se http learn adafruit ee menta kit mint tin arduino Page 9 of 31 compatible IC3 IC2 C1 C2 C3 C4 Ss
12. matches up close to the silkscreen image below make sure you can read the part number on top Don t worry if it doesn t line up perfectly the hole isn t used for anything it can be used for heat sinks but it s not necessary for us Solder in the three legs and clip them Short when done Next we will place the polarized electrolytic capacitors These are the beefy versions of the ceramic capacitors we already placed Ceramics are good for high frequency noise and the electrolytics are good for low frequency noise that s why we team them up together to cover all frequencies Electrolytic capacitors are polarized they must be put in the correct way or they will be damaged so be super careful here Capacitors have one leg that s longer than the other this is the positive lead Place the positive lead in the hole marked with a tiny next to it See the images to te evene setes the left of how to place the three Capacitors The first one is C5 which is a 25V 47uF one it s bigger than the others for filtering the incoming power from the DC power jack The other two C6 and C7 are smaller 6 3V 100uF for filtering the 5V and 3 3V supplies You may want to bend over C5 so it lies down a little more flat against the board before http learn adafruit com adafruit menta kit mint tin arduino Adafruit Industries compatible Page 19 of 31 soldering it will help make some shields fit After you ve tripl
13. nd http adafru it 284 or FTDI Cable http adafru it 70 you will want to follow our little tutorial on downloading and installing the drivers includes download for FT DI drivers http adafru it cl3 Adafruit Industries Last Updated 2014 03 16 12 30 19 AM EDT Page 31 of 31
14. s even for someone who has never soldered before http learn adafruit com adafruit menta kit mint tin arduino Page 3 of 31 compatible Adafruit Industries http learn adafruit com adafruit menta kit mint tin arduino compatible Adafruit Industries Page 4 of 31 ve adafruit learning system Make It This kit is pretty simple but you should follow these steps fully so that you ll have no problems 1 Tools and preparation http adafru it cmg 2 Check the parts list http adafru it cmh 3 Assemble the kit http adafru it cmi http learn adafruit com adafruit menta kit mint tin arduino compatible Adafruit Industries Page 5 of 31 ve adafruit learning system Tools and Preparation Prep Learn how to solder with tons of tutorials http adafru it a Tk Don t forget to learn how to use your multimeter too http adafru it aOy http adafru it cmj Tools There are a few tools that are required for assembly None of these tools are included If you don t have them now would be a good time to borrow or purchase them They are very very handy whenever assembling fixing modifying electronic devices provide links to buy them but of course you should get them where ever is most convenient inexpensive Many of these parts are available in a place like Radio Shack or other higher quality DIY electronics stores Soldering iron Any entry level all in one soldering iron that you migh
15. t Industries Page 24 of 31 9 ses ee e eaecese 9 o a re ee Adafruit Industries Solder in all 28 pins of the socket and the 3 3V regulator Clip the regulator leads The socket does not need to be clipped Now we can place the ATmega328 chip the brains of the Menta Chips come with the legs in an A shape but we want it in more of an H shape Pick the chip out of the antistatic foam and holding it by the ends bend the leads against the table to flatten them parallel Once they are straight it will be easy to fit them into the socket Make sure you fit it in the right way as it s symmetric One end has a half moon cut out of it this should be on the left side in the photos matching with the notch in the socket and in the silkscreen http learn adafruit com adafruit menta kit mint tin arduino compatible Page 25 of 31 4 eht soseood ooooooeo d HET TTTTTTTTTT ewww TT Cee we we amp A Add 09900000 HHHIH TIER See cae 00000 HILL 66 oe ee dd gt ee eo X q oo OO o mmm 000e00e rT TTT TTT PPT TTT TY rT Ty TTT TY coccccc pd ALLA mm hdd van Adafruit Industries compatible http learn adafruit com adafruit menta kit mint tin arduino Now we can do a second test to check the chip and crystal are working right Plug in the board again to the DC power and press the reset button you should see the red LED flashing a few times
16. t find at your local hardware store should work As with most things in life you get what you pay for Upgrading to a higher end soldering iron setup like the Hakko FX 888 that we stock in our store http adafru it 303 will make soldering fun and easy Do not use a ColdHeat soldering iron They are not suitable for delicate electronics work and can damage the kit see here http adafru it aOo Click here to buy our entry level adjustable 30W 110V soldering iron http adafru it 180 Click here to upgrade to a Genuine Hakko FX 888 adjustable temperature soldering iron http adafru it 303 Adatmntindeetiee http learn adafruit ee menta kit mint tin arduino Page 6 of 31 compatible Solder You will want rosin core 60 40 solder Good solder is a good thing Bad solder leads to bridging and cold solder joints which can be tough to find Click here to buy a spool of leaded solder recommended for beginners http adafru it 145 Click here to buy a spool of lead free solder http adafru it 7 34 Multimeter You will need a good quality basic multimeter that can measure voltage and continuity Click here to buy a basic multimeter http adafru it 71 Click here to buy atop of the line multimeter http adafru it 308 Click here to buy a pocket multimeter http adafru it 850 Flush Diagonal Cutters You will need flush diagonal cutters to trim the wires and leads off o
17. ttp learn adafruit com adafruit menta kit mint tin arduino Solder all 4 legs of the button no need to clip them as they are already quite short Now we will place our first non symmetric component a diode The diode only conducts current in one direction We use this diode for protecting the Menta Since it can only work in one direction it makes sure we don t connect negative voltages into the DC plug that could damage or destroy the electronics This particular diode is a LN4001 model which is extremely common power diode that can handle over an Amp of current Diodes have a stripe to indicate the cathode this one has a silver stripe Make sure the silver stripe matches the little white stripe on the silkscreen In this image it s on the right hand side Double check you get this right because otherwise nothing will work and it will be very confusing Solder in the diode and cut the long wires Page 18 of 31 Now that we have the diode in place we can solder in the voltage regulator This regulator takes a high voltage 7VDC up to 25VDC and regulates it down to 5V The Menta circuitry requires a nice clean 5VDC to run any more could burn it up The regulator is kind of like a bouncer 3 Tears that keeps the delicate Menta chip from SE EN having to see more than 5VDC This particular regulator is the very common 7805 in a big package it can handle up to 1 Ampere of current Place it flat on its back so that it
18. uino compatible Place one piece of the header the 6 pin piece into the spot right next to the green LED Make sure the short legs are sticking down into the PCB and the long legs are sticking up This is the programming header This is where you can connect an FTDI cable or FTDI friend to reprogram the Menta Place the 3 pin piece right below that in the PWR_SEL spot this is for selecting whether you want to power from the FTDI cable or from the DC jack Finally find the 2x3 header and place that into the ICSP spot this is for if you want to use an AVR programmer such as a USBtinylSP Dragon etc to program the AVR chip Then use your favorite tape to hold the parts in place Masking tape works better than cellotape but use what you have I only had cello tape on my desk Flip over the PCB check that the header is still in place solder all the short leads in You won t need to clip them because they ought to be very short already Page 23 of 31 Finally you can place the jumper into the PWR_SEL spot For now place it onthe right hand side inthe DC position this indicates that you ll be powering it via the big DC jack ger nn C 2 err 2 9 Joooorvooen 0000000000000 R gt ED OO gt Now we can do a test find a DC power adapter 7VDC or higher with a 2 1mm jack and center polarity these are nearly standard and plug it in With the jumper in place you should see the Green LE
19. vr adafruit learning system Adafruit MENTA Kit Created by Ladyada Last updated on 2014 03 16 12 30 17 AM EDT Guide Contents Guide Contents Overview Make It Tools and Preparation Prep http adatru it cmj Tools Parts List soldering amp Assembly Use it Powering it Use with Arduino IDE Download software Adafruit Industries http learn adafruit com adafruit menta kit mint tin arduino compatible WO Onn DD O1W N OO WN NN ND OO CO OO Page 2 of 31 ve adafruit learning system Overview Introducing the MENTA a portable minty Arduino compatible project that fits into a common mint tin We took our super popular Boarduino series and wrapped it with a prototyping area into a rounded PCB that slots directly into an Altoids sized metal tin We included everything you expect to jump start your project a DC power adapter with polarity protection beefy 1 Amp 5V regulator and 250mA 3 3V regulator for 3 3V devices green power LED red blinky LED ISP 6 standard reprogramming header FT DI interface plug to connect an FT DI Friend or cable and female header so you can plug standard Arduino compatible shields in There s four mounting holes if you want to attach it permanently to a box or plate and a massive prototyping area so you can have the finished project all fit together in a protective box Comes as a kit of parts this is an excellent beginner project with step by step instruction
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