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.
The device in many automobiles that warns drivers when their tire pressure is low transmits the data in unencrypted cleartext and carries a unique identifier for ...
Cyberpunk DIY watch shown at Open Sauce; wraparound displays on a flexible PCB, but $420 display cost blocks sales plans.