BMV080 is a low-power, low-cost PM1, PM2.5, and PM10 sensor module with I2C and SPI interfaces that sells for just $29.90.

NECK (ageNt Embodied Cognition development Kit) is a lightweight C++ framework for developing embodied cognitive agent bodies on resource-constrained embedded devices (e.g., Arduino-class ...

The MT6701 is an easy to program magnetic rotary position sensor with a high-resolution 12-bit analog, PWM, UVW, ABZ. With SPI and I2C output is 14 bit. They should provide magnetic button ...