If you have even the slightest interest in open hardware e-readers, you’ve certainly heard of [Joey Castillo]’s Open Book ...

The SparkFun MCP4725 Arduino Library provides full control over Microchip's MCP4725, a 12-bit single-channel I2C digital-to-analog converter (DAC). The MCP4725 is compatible with SparkFun's Qwiic ...

Kristen Fischer has written for numerous health publications, hospitals, and medical companies, and is a member of the Association of Health Care Journalists. Nick Blackmer is a librarian, ...

I purchased one of each of these cheap sensors recently from aliexpress for testing purposes. Compared with the ubiquitous HC-SR04 (*), I liked the idea of having a combined emitter/receiver, i.e.