These are some great DIY projects that you can do for cheap.

Learn how to repurpose your spare ESP32 boards into cost-effective presence detection sensors using the Tommy Sense ...

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, ...

Abstract: This paper describes the development of a proof of principle of a flexible force sensor and the corresponding readout circuit. The flexible force sensor consists of a parallel plate ...

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 ...

This Arduino example code demonstrates how to set up and use the IQS323 Integrated Circuit (IC). The IQS323 is a 3 Channel Self-Capacitive / 3 Channel Mutual-Capacitive / 2 Channel Inductive sensing ...

Arduino is being acquired by Qualcomm subject to regulatory approval for an undisclosed sum. Qualcomm Arduino introduces a new UNO form factor board, the Arduino UNO Q, which features both a STM32 MCU ...

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 ...

Abstract: The calibration process involved comparing data from capacitive sensors with soil moisture content measured continuously by the volumetric water content (VWC) method. The results showed that ...