74HC

Logic Is Power

.co.uk

ATMEGA

RC engine synth

Make engine sounds for your RC with an off the shelf Arduino, a digital pot, a LM386 and some passives… Simple!

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Servo Tester: Software online

Almost all the electronics are in, only the output stage is missing, however whats there all works, as shown by the RCMojo logo.

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Servo Tester: Legends on, LCD in

Another step closer to a boxed up prototype, the legends were designed in QCad, printed on plain copy paper and stuck on with Diamond tape, not a perfect finish, but perfectly good in use.

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Servo Tester: Box chopped up

A fairly long standing project has been the servo tester for RCMojo, it has all kinds of fancy features, but it’s time to move beyond the breadboard and put it in a project box.

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LCD and button sharing I/O

I often see people struggling to get all the peripheral parts connected up to an Arduino without running out of pins. The thing many people miss, especially early on, is you can connect multiple things to a single pin, so long as you do it right.