CNX Software

Open-source hardware DAB+ receiver combines ESP32 SoC with Skyworks SI4684 digital radio chip

When I wrote about a DIY ESP32-S3 internet radio last week, "raspbeguy" commented he'd rather choose an ESP32-based DIY DAB+ ...
IEEE

Photoelectric Vulnerability Analysis and Experimental Validation of Incremental Optical Encoders in Internet of Things Applications

Abstract: Incremental optical encoders are widely used as photoelectric sensing components in direct current motor servo systems, but their inherent susceptibility to optical interference ultimately ...
GitHub

ESP32 SI4703 FM Radio

Note: The SI4703 requires a specific boot sequence — SDA must be pulled LOW before releasing RESET. This is handled automatically in SI4703Radio::begin(). Do not add an external pull-up on SDA before ...
GitHub

arduino_inc_encoder.ino

//A rising pulse from encodenren activated ai0(). AttachInterrupt 0 is DigitalPin nr 2 on moust Arduino. attachInterrupt(0, ai0, RISING); //B rising pulse from encodenren activated ai1().