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Step 5: Electronics Assembly

Here's a bill-of-materials for the quadcopter:

Qty  Sch Ref Name Value Rating Package Mfg Mfg Part#
1 Y1 Antenna, Chip       Antenna Factor ANT-2.45-CHP-T
1 B1 BALUN 2.4 GHz, 100 ohm balanced to 50 ohm unbalanced   0805 Johanson 2450BL15B100E
1 BAT Battery Connector JST-PH   Vertical JST B2B-PH-K-S(LF)(SN)
1   Battery Wire JST-PH     SparkFun PRT-08670
2 C11, C12 Cap, Ceramic 22p 6V or greater, +/- 5%, high frequency 0603 Kemet CBR06C220JAGAC
2 C14, C15 Cap, Ceramic 10p 6V or greater, +/- 10% 0603 Kemet CBR06C100JAGAC
1 C13 Cap, Ceramic 0.47p 6V or greater, +/- 5%, high frequency 0603 TDK C1608C0G1H0R5C
1 C2 Cap, Ceramic 470p 6V or greater, +/- 10% 0603 TDK C1608X7R1H471K
2 C9, C10 Cap, Ceramic 1u 6V or greater, +/- 10% 0603 Yageo CC0603ZRY5V7BB105
1 C16 Cap, Ceramic 2n2 6V or greater, +/- 10% 0603 Kemet C0603C222K5RACTU
1 C18 Cap, Ceramic 10n 6V or greater, +/- 10% 0603 Yageo CC0603KRX7R8BB103
7 C4, C5, C6, C7, C8, C17, C19 Cap, Ceramic 100n 6V or greater, +/- 10% 0603 Yageo CC0603ZRY5V9BB104
1 C1 Cap, Tantalum 150u 6V or greater, +/- 10% 1210 Nichicon F930J157KBA
1 C3 Cap, Tantalum 10u 6V or greater, +/- 10% 1210 AVX TAJB106M006RNJ
1 JP1 Female Header 2x5   0.1" pitch Sullins Connector Solutions PPPC052LFBN-RC
1 Q1 Crystal 16MHz +/- 10PPM, 10pF 5.00mm x 3.20mm Abracon ABM3B-16.000MHZ-10-1-U-T
4 D1, D2, D3, D4 Diode, Schottky     MINIMELF, SOD-123, DO-214AC Micro Commercial MBR0540
1 U2 IMU MPU-60x0     InvenSens MPU-6050
1 IC1 LDO V-Reg 3.3V 250mA or greater SOT23-5 Microchip MCP1824T-3302E/OT
1 LED1 LED       OSRAM LSG T676-P7Q7-1-0+N7P7-24-0-20-R18-ZB
1 BAT Li-polymer Battery 350mAH 20C   Zippy Z350S20C
1 SW Male Header 2x1   0.1" pitch TE Connectivity 3-644456-2
1 U1 Microcontroller ATmega128RFA1   QFN Atmel ATMEGA128RFA1-ZU
4 Q2, Q3, Q4, Q5 MOSFET N-Channel 1A, low VGS SOT23-3 Vishay SI2318DS-T1-E3 or SI2316BDS-T1-GE3
4   Motor Walkera X-Wing Motor
4   Propeller Silverlit X-Twin Propeller
4 R2, R4, R6, R8 Resistor, Chip 220R 0.1W or greater, +/- 10% 0603 Panasonic ERJ-3GEYJ221V
5 R1, R3, R5, R7, R14 Resistor, Chip 10K 0.1W or greater, +/- 10% 0603 Yageo RC0603JR-0710KL
2 R9, R10 Resistor, Chip 1K 0.1W or greater, +/- 10% 0603 Yageo RC0603JR-071KL
2 R12, R13 Resistor, Chip 4K7 0.1W or greater, +/- 10% 0603 Yageo RC0603JR-074K7L
1 R11 Resistor, Chip 2K 0.1W or greater, +/- 10% 0603 Yageo RC0603JR-072KL
1 SW Shunt Block 2x1     Sullins Connector Solutions QPC02SXGN-RC

For the transmitter:

Qty  Sch Ref Name Value Rating Package Mfg Mfg Part#
1 B1 BALUN 2.4 GHz, 100 ohm balanced to 50 ohm unbalanced   0805 Johanson 2450BL15B100E
1 BAT Battery Connector JST-PH   90 Deg JST S2B-PH-K-S(LF)(SN)
2 C16, C17 Cap, Ceramic 22p 6V or greater, +/- 5%, high frequency 0603 Kemet CBR06C220JAGAC
2 C18, C19 Cap, Ceramic 10p 6V or greater, +/- 10% 0603 Kemet CBR06C100JAGAC
1 C2 Cap, Ceramic 470p 6V or greater, +/- 10% 0603 TDK C1608X7R1H471K
2 C14, C15 Cap, Ceramic 1u 6V or greater, +/- 10% 0603 Yageo CC0603ZRY5V7BB105
7 C7, C8, C9, C10, C11, C12, C13 Cap, Ceramic 100n 6V or greater, +/- 10% 0603 Yageo CC0603ZRY5V9BB104
1 C3 Cap, Tantalum 150u 6V or greater, +/- 10% 1210 Nichicon F930J157KBA
1 C1 Cap, Tantalum 10u 6V or greater, +/- 10% 1210 AVX TAJB106M006RNJ
3 C4, C5, C6 Cap, Tantalum 4u7 6V or greater, +/- 10% 1210 AVX TAJB475K020RNJ
1 Q1 Crystal 16MHz +/- 10PPM, 10pF 5.00mm x 3.20mm Abracon ABM3B-16.000MHZ-10-1-U-T
1 JP1 Male Header 2x5   0.1" pitch FCI 67997-410HLF
1 IC1 LDO V-Reg 3.3V 250mA or greater SOT23-5 Microchip MCP1824T-3302E/OT
2 LED1, LED2 LED       OSRAM LSG T676-P7Q7-1-0+N7P7-24-0-20-R18-ZB
2 IC2, IC3 Li Battery Charger IC       Microchip MCP73831T-2ACI/OT
1 BAT Li-polymer Battery 1000mAH     Seeed Studio POW101C1M
1 U1 Microcontroller ATmega128RFA1   QFN Atmel ATMEGA128RFA1-ZU
4 R1, R2, R7, R8 Resistor, Chip 1K 0.1W or greater, +/- 10% 0603 Yageo RC0603JR-071KL
5 R3, R4, R5, R6, R9 Resistor, Chip 4K7 0.1W or greater, +/- 10% 0603 Yageo RC0603JR-074K7L
1 Y1 RP-SMA Antenna     RP-SMA Roving Networks RN-SMA4-RP
1 Y1 RP-SMA Connector       Linx CONREVSMA003.062
1   SPDT Switch       C&K OS102011MA1QS1
1 USB USB Connector Mini-B     On Shore USB-M26FTR
1 U2 USB-to-Serial FT232RL   SOIC FTDI FT232RL
1 Wiimote Extension Wii Classic Controller       Nintendo  


A lot of the above components can be substituted, but you better know what you are doing. Most of the time, I just filter out the parameters I need, and pick the cheapest part.

I used my reflow soldering toaster oven to do the soldering, see http://www.instructables.com/id/Hack-a-Toaster-Oven-for-Reflow-Soldering/ , follow that to learn how I solder the components. Some of them are QFN chips which are very hard to solder with a traditional soldering iron.
"Version 1" was assembled with the reflow method. "Version 2" was soldered by placing a tiny amount of solder paste on the pads, then placing the component over the pads, then heating it with a heat gun. After that, flux is applied and all joints are "neatened up" using a soldering iron.

Feel free to actually have stencils made from my PCB files if you want to try the complete reflow soldering method, see my other Instructable on reflow soldering to learn how.

When soldering JST connectors to your batteries, making sure you watch your polarities. I used sticky-back velcro strips to stick the battery onto the PCB.

Use flux cleaner to clean up the circuit after you are done.

SMD soldering is easy! See my demonstration video
(this video is mostly a joke, in case you don't understand)
<p>Hey man,</p><p>This is awesome, I've been going back and forth in this as I created my own PiCopter, much bigger and more powerful - that I now sell as a kit in London ;) Check it out at http://www.picopter.org !</p>
<p>Awesome!</p><p>Will you sell this project as a kit?</p><p>How much you will charge for one?</p><p>I want one for me.</p><p>Congratulations.</p>
<p>you can get similar kits online for about $120 using ps2 controllers. Supposed to be the fastest quads on the market</p>
<p>you can get similar kits online for about $120 using ps2 controllers. Supposed to be the fastest quads on the market</p>
<p>you can get similar kits online for about $120 using ps2 controllers. Supposed to be the fastest quads on the market</p>
Hi, great project! What kind of modificativos would I have to do on aeroquad motor library to Adjust PWM for brushed motors with MOSFET instead of ESC?
<p>I'm new to the site so I don't quite get it, only premium accounts have access to the pdf file? My cousin would love this, though</p>
<p>only if i had money and acsses to those parts... !</p><p>Awesome project :D</p>
<p>你是哪里人?再那里工作?可以交流下吗</p>
<p>I don't understand how you made the circuit board and receiver.. You just took a PCB you had laying around, took all the componets off of it, and BOOM! quadcopter! Can you explain this to me?</p>
<p>They were custom designed and ordered from on online PCB manufacturer. BatchPCB is a popular one. He then soldered all the necessary components on.</p>
<p>I ordered the PCB's and built this. This is an advanced user project. The chip packages are QFN and a challenge to solder. Total cost was approx $200. I could not get parts of the TX code to compile, and had to modify. The author considers this a &quot;old&quot; project and does/will not support or help.</p>
<p>how to make pre account.... i want this download</p>
<p>Brilliant you made one! I bought one of the Hubsan branded ones which is fantastic, far easier but far smaller than the massive 5 foot bladed gas powered 60 size XCEL I had in my youth - that things was lethal!</p><p>Nifty way to charge it and avoiding RF interference. I am impressed, did you get three or one gyros in there?</p><p>Call it 'Quaddy' or 'Quadtastic!&quot; or &quot;4play&quot; </p>
<p>i wanna this pdf and iam not haver premium account</p><p>plz can any one send to me <br>on teet_totti@yahoo.com</p><p>pleas</p>
<p>first time to know about ATMega128rfa1..<br>and i wanna get one.</p>
<p>Very nice man. Less of a project than I would have imagined it to be actually.</p>
<p>I dont have the wii remote controllers can I use any thing else? How to use it? </p>
want :0 how much? :3
<p>Hit us with that price :3</p>
i want one too :D
how much would it cost to buy one from you?
<p>does it fly???</p>
1) can you add a wireless camera on the picopter 2) can you add a gps module on the picopter 3) can you controll th picopter from anything other than the wii classic remote
Hi, <br>I have viewed this project you have built, and was quite interested in making one my self, would you be able to help me out with getting the PCB's and programing it?
you did a great job with this <a href="http://www.intorobotics.com/5-best-examples-of-how-to-build-a-diy-quadcopter/" rel="nofollow">powerful DIY quadcopter</a>
sir,i'm getting more confusion at the time of programming.can u show me how to install every code into picopter.from so many days,i'm working on it.i'm completed the hardware stuff fully,but totally failing in programming.please give me a installation video or step by step installation.kindly thanking you
can you give step by step instructions, its for my son's school project and i want to thelp him but unfortunately i only to operate a computer
sir , <br>from where to get those 2 green plates 1 for quadracopter and 1 for transmitter and what is there plate number .plz tell fast i wanted to make and sir as i wanted to order somethings at digikey.com there are comming 3 options all are same but there is comming tape and reel,cut tape and digi reel. which one i should select...... plz tell fast sir plzzzzzzzzzz
sir plz tell me name of all parts and their types used in making picopter.plz mail me the list at ckhurana79@yahoo.com . plz tell me fast. i love makin this type of things
How much did this project cost?? My friend got one of those really cool Parrot AR Drones and i want to build something similiar so we can do cool stuff with them. Maybe even launch this thing off of the botton of the big one. Where did you order the custom PCBs?? would love to build this!
kits?
Just fyi: <br>I ordered all parts at Digikey, Sparkfun &amp; ebay and ended up paying 190 euro incl. shipping to EU and printing 3 qc/tx pcbs. I was expecting something among 100 euro but I didn't want to go back after ordering the first parts :) <br>Batch ordered, a kit might cost something around 150 euros I'd guess. <br> <br>It's amazingly easy to find everything you've listed here; no exotic parts or anything, in fact, hardest part is finding a cheap li-po. <br> <br>Do you have any idea how much payload this thing can carry? Or what flight time you achieve with whatever battery you're using? <br> <br>Impatiently waiting for my orders... 8)
Any chance you have the parts list still? I seem to be overlooking it or just don't know where to look. Thanks.
would you consider makeing this as simple kit that can be bought. You would make some serious cash.Also is there a way that bluetooth can be implumented into the circuit somehow.
great little device, like to see it flying <br> <br>Maybe i got an idea for you to use different propellers. <br>The problem with these propellers is that people put their fingers to near to it, or they get damaged when you hit something during flight, Maybe you remember thse kid toys : <br>http://www.papstar-products.com/papstar_pe/prodpic/4-Toys-Flying-propeller-18909_b_0.JPG <br> <br>i think if you raise the outer circle a bit (strip of thin hard sheet) it would improve the blade too (better earodynamics for end of proppellor.)
Very neat. <br> <br>Instead of using jumper blocks, have you considered these plunger switches? <br> <br>http://www.goldmine-elec-products.com/prodinfo.asp?number=G15214 <br> <br>They're less of a hassle and they'll fit the same footprint assuming you're using 2 * thru hole .1 inch headers. If you're using SMT headers for the jumpers, still doable but will require bending the switch pins and perhaps a dab of hot glue.
hi,sir i need quadcopter's blank circut's print can iget it sir <br>
please sir please sir help me
sir can you write the list of parts used in the circut board <br>
if you can't find this stuff on here, what makes you think you can build this thing?
sir can you write the list of parts used in the circut board <br>
A complete product and a true feat of engineering. This is excellent!
hai frank you make all this by your self .... wow it's cool i want the make this where i can get the component???
You can get the components by searching DigiKey for the part numbers I provided, they have almost everything. Some of the stuff you can't find, you'll need to visit SeeedStudio, SparkFun, and Google.
For the mainboard ?? Were I get that?
You have to send the design to a PCB manufacture to have it made for you
you make this circuit board all By yourself?you are amazing,my dream is make a flying tiny robot but too bad i not pro in electrical : (

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Bio: I am an electrical engineer. I graduated from U of Waterloo. I used to work for Adafruit Industries as an EE. Now I work for ... More »
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