Being the versatile single-board computer that it is, the Raspberry Pi can help you build all sorts of projects with all sorts of accessories. Throw in a camera, and you have a smart doorbell, ...

Oddly Specific Objects founder Joey Castillo has designed a couple of interesting open hardware projects over the years. Those include the Sensor Watch and Sensor Watch Pro, which replace the PCB in a ...

Renesas’ RL78/L23 is a low-power 16-bit MCU with built-in segment LCD, capacitive touch, dual-bank flash for FOTA, and a wide 1.6–5.5 V operating voltage range. It targets HMI appliances, metering, ...

Robust capacitive sensing: TouchLib contains many filters and an advanced state machine to make capacitive sensing more robust Multi-platform: TouchLib works on a range of different boards and ...

Capacitive touch sensors are entirely in the domain of DIY, requiring little more than a carefully-chosen conductive surface and a microcontroller. This led [John Phillips] to ask why not embed such ...

A twenty-sided die (d20) is a common thing in tabletop gaming, and [kati]’s slightly sentient d20 is a PCB that not only delivers random results on demand, but responds to hot and cold streaks and may ...

Renesas has recently introduced the RA4L1 ultra-low-power Arm Cortex-M33 MCU family along with two evaluation/development boards. This new lineup consists of 14 ultra-low-power devices based on an 80 ...

The installation of a weather station usually requires the fitting of a set of dedicated sensors on the roof, which, for various reasons, is not always possible. This ...