Category Archives: Arduino

TTGO T-Display Deep Sleep

Posted on 2022-12-26 by M. Eric Carr

10mA isn’t an acceptable sleep current. Here’s how to put the TTGO to sleep. Continue reading →

Posted in Arduino, C, Coding, Digital, HOW-TO, Power | Leave a comment

Quadrature Encoders

Posted on 2022-06-30 by M. Eric Carr

Quadrature rotary encoders are inexpensive and very easy to wire up. Here’s how to use them with interrupts in Arduino C for ESP32. Continue reading →

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New Toy: Round LCD Displays

Posted on 2022-05-29 by M. Eric Carr

Round, Arduino-friendly color LCD displays. These should be fun… Continue reading →

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Arduino On The Go

Posted on 2021-11-29 by M. Eric Carr

Modern smartphones can use USB On-The-Go for all kinds of things. Continue reading →

Posted in Android, Arduino, C, Coding, Toys | Tagged , , , , , , , , , , , , | Leave a comment