MCUs are ideal MQTT clients because the protocol is lightweight and designed for low-bandwidth, low-RAM environments.

Extend the LM358 op-amp family’s output voltage range by cascading the op-amp with a few simple, inexpensive components.

For switching high-powered loads from a microcontroller, or for switching AC loads in general, most of us will reach into the ...

If you’ve wiring up a microcontroller and need some kind of storage, it’s likely you’ll reach for an SD card. Compared to other ways of holding data on your project, SD cards are ...

Abstract: This paper presents a novel methodology for directional overcurrent relays (DOCRs) coordination that effectively accounts for the transient topologies triggered by faster operation of remote ...

The Smart SMS Alert System using Seeed Studio Xiao ESP32 is one of the compact IoT projects that uses an HC-SR04 ultrasonic sensor to detect nearby movement. The system acts like a motion detector ...