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Assembling the BalloonSat Mini. Step 1 Identify Parts. Solder four Resistors and one Diode. Solder two Headers. Solder IC Socket. Solder Relay. Solder Capacitor. Solder Voltage Regulator. Solder Light-emitting Diode. Solder I/O Port. Bolt and Solder DB-9 Connector. Solder Battery Snap.
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Now Test! • Check quality of solders • Look for a short between terminals in the battery snap • Look for +5 volts on the IC socket • Programming test
Set a DMM to measure continuityYou don’t want to hear it ring!
Set DMM to DC Volts (20 V scale)Want to measure 4.75 to 5.25 volts • +5 volts on pin #1 and ground on pin #8
Programming Test • Correct mode: PICAXE-08M2 • Correct Serial Port • Two line program