When it comes to electronic design, breadboarding a circuit is the fun part — the creative juices flow, parts come and go, jumpers build into a tangled mess, but it’s all worth it when the circuit ...

Can an ESP32 detect people without cameras or motion sensors? Discover how Wi-Fi signal disturbances, CSI, and smart DSP enable real-time occupancy and mov ...

If you grew up playing with LOGO on an old 8-bit computer, you’re probably familiar with the concept of a drawbot. It’s a simple robot that drags a pen around to draw on paper. [Tim] decided to build ...

As we adopted a commercial Bluetooth HC-06, our wireless sensor module maintained its S value above 400 bps in a broad space (>80 meters) and long-term (>100 h) continuous operation. As shown in Fig.