Things used in this project

Hardware components:
QED-123 infrared diode
QSD-123 photo transistor
OP482 quad op amp
Panasonic eca1hm2r2
Capacitor 10 µF
Mfr 25fbf52 2k21 sml
Resistor 2.21k ohm
Mfr 25frf52 100k sml
Resistor 100k ohm
TIP31C NPN power transistor
2N3904 NPN transistor
Hubsan Quadcopter
Crash Kit for Hubsan Quadcopter
Prototyping Circuit Board
balsa sticks
Duco Cement
balsa sheet 1/16 inch thickness
9V battery (generic)
Keystone 233 image 75px
9V Battery Clip
GWS geared motor GW/EB-EPS350/CO
LiPO 7.4V 1300 mAH battery
APC 10x4.5 Multicopter Set of propellers (4)
Turnigy 30 Amp Brushed Motor Electronic Speed Control
Bondo fiberglass repair kit
elastic cord
jewelry making cord
large button
tubing , plastic 25 cm in length roughly 4 mm diameter
Openbuilds cable ties
OpenBuilds Cable Ties (10 Pack)
bungee cords
chain repair links or caribiners (2 needed)
foam cushion material
Hand tools and fabrication machines:
xacto knife
wire wrap tool
09507 01
Soldering iron (generic)


Darlington Stage , One Channel
Repeat 8 times to control 8 DC motors
Propeller Sensor , One channel
repeat 8 times to control 8 motors


Multi Copter Processor Expert Project
A demonstration of FlexIO for DC motor control


20130301 103720 1
Tom Minnich

Embedded software guy for a long time


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