Category Archives: Rf starter’s gun

Current sink and starter’s gun boost converter test

Background failures I’ve had some problems getting DC power for the audio amp for the starter’s gun project.  I needed maybe 15V to get the output I needed, but didn’t want a battery voltage that high, so looked at boost … Continue reading

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Quick and dirty heat sinks

I’ve been pushing a couple of audio amp chips to get as much out of them as I can for another project.  While the expected duty cycle is low enough that I can probably get away without heat sinks for … Continue reading

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Protected: Speaker and amp testing for RF starter’s gun

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Protected: Flash memory sound playback

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Supply voltage brinksmanship for sound modules

I’ve been working on two “3 volt” sound modules – a micro SD card module for the dollhouse and a from-scratch flash memory sampled sound playback device for the starter’s gun.  Neither one actually works on 3.3V.  So begins the … Continue reading

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