Smart home upgrade: Set up Home Assistant on a Raspberry Pi to centralize and automate your smart devices with minimal configuration. Laundry alert DIY: Build a vibration sensor system to notify you ...

Here’s your useful and beautiful circuit for the day — [New Pew]’s vibration sensor takes manual control of the flip-flop inside a 555 timer and lights an LED in response. Use it to detect those ...

More often than not, an IoT master device uses the SPI (serial peripheral interface) and I 2 C (inter-integrated circuit) protocols to exchange data with EEPROMs or sensors that are operating in slave ...