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Author Archives: M. Eric Carr
Laser Spirograph
A laser engraver is used to create Spirograph-like art. Continue reading
Posted in BASIC, Laser Cutter, Toys
Tagged laser, laser art, laser engraver, Spirograph
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The USB-C High Voltage Hydra: Don’t Get Bit!
USB-C multiple-device charging cables can subject devices to excessive voltage. Here’s the story. Continue reading
Posted in Design, Digital Citizenship, Electronics, Power
Tagged USB overvoltage, USB PD, USB Power Delivery, USB-C, USB-C overvoltage
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Artisinal Digital Audio
Loss of precision due to scale in a float32 parameter makes for weird, shaky sine waves. Continue reading
Posted in Arduino, C, Digital, I2S, Math, Troubleshooting
Tagged dilution of precision, float32, float32 precision, Floating point, i2s, i2s audio, precision
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MobiFlight
MobiFlight makes it easy to add physical controls to a flight simulator setup, using Arduino. Continue reading
Posted in Arduino, Aviation, Flight Simulator, User Interface Design
Tagged Arduino, flight simulation, MobiFlight
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