Don Park

• frame
  • 3D printed: Fuselage, Motor Arms, Motor Mounts $5 guess
  • 230mm ($22) Hobbyking
• Flight Controller
  • PlugCopter Flight Computer ($20)
  • KK-Mini atmega 644PA 64k flash, 4k ram HobbyKing ($25 w/ 6050MPU)
  • OpenPilot CC3D ($14) BangGood
• motors
  • 7mm generic ($21 for 4, ebay)
  • brushless ZMR1804 ($9/ea, $36)
    • BangGood
    • YouTube Review
  • RCX 1804 w/ ESC ($14) BangGood
• Accelerometer board
  • MPU-6050 $2 BangGood
• Wifi board
  • ESP8266 ($3) ebay
• Sonar board
  • Generic $3 ebay
• Power
  • 3.3v regulator ($6) 0.5amp https://www.pololu.com/product/2122
  • Lipo2S to 3.3v ($4) 3.5amp HobbyKing
  • Lipo2S to 5v ($5) 3amp HobbyKing

Total: $5 3d frame + $20 plug FC + $14×4 motors+esc + $2 6050 + $2 ESP8266 + $5 5v reg = $90

An OSHPark pcboard using through-hole tech to be heart of the copter.

• 2“x1” OshPark PCBoard $3
• Teensy-LC $11
• 3.3v reg $2
• LEDs $2

Power lines

• Lipo
• Batt charger
• Power regulator
• Teensy LC
• ESP8266
• MPU 6050
• Speed controller(x4)
• Sonar

Data

• Teensy - MPU6050 = I2C
• Teensy - ESP8266 = Serial
• Teensy - ESC = AnalogOut
• Teensy - Sonar = AnalogIn

Circuit layout app: KiCad

Board: https://github.com/donpdonp/protoh

Mockup: http://i.donp.org/i1zz.jpg

• Teensy LC primary processor ($11) PJRC
• LD1117V33 Low Drop Out Regulator by ST, 3.3V, TO-220
• LEDs x 4

• ProtoH
• PlugCopter (2015 Apr)
• SocketCopter