Gadget Freak Case #158: PIC Chip Boosts Four Rockets Skyward

DN Staff

February 16, 2010

3 Min Read
Gadget Freak Case #158: PIC Chip Boosts Four Rockets Skyward

Almost anyone can build a two-stage model rocket, but Joe Peck took a giant step for rocketeers and added four second stages. Think of them as MIRVs, microcontroller-ignited rocket vehicles. Shortly after the rocket takes flight, a Microchip Technology MCU detects the absence of a pin attached to the launch platform and sequences through a firing order for the second stages as the booster rocket continues its climb. Mission Control, we have liftoff.

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Gadget Freak Case 158 PIC Chip Boosts Four Rockets Skyward

Gadget Freak Case 158 PIC Chip Boosts Four Rockets Skyward A



Amt

Part Description

Allied Part #

4

Terminal Strip, 2-Position

409-0032

1

47 muF, 25V Capacitor

507-0866

1

0.1 muF, 50V Capacitor

881-0514

4

Field-Effect Transistor, IRFU3704ZPBF

273-1665

1

Voltage Regulator, LM7805CT

288-0001

1

DIP Socket, 28-Pin

374-5540

2

Miniature Slide Switch

758-0248

1

Diode, 1N5818TR (D1)

503-0127

1

PIC16F916 Microcontroller

383-0503

1

9-V Cabled Battery Connector

839-0474

1

4.7 kO, 1/4W Resistor

296-4769

5

1.0 kO, 1/4W Resistor

840-0399

1

LED, Bicolor-Red/Green

405-0065

1

Terminal Strip, 6-Position

618-5001

4

LED, Red

405-0053

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