This is an “Audio VU Meter” or “Sound Level Meter”, it is a general-purpose bar-graph Audio VU meter designed for fun projects. All you need is to hook up one wire to the output of the audio amplifier’s speaker pin along with GND and see the magic. The response of the circuit...

Toradex, a leader in embedded computing, announces the release and availability of Dahlia, the latest addition to its carrier board offerings for the Verdin family of System on Modules (SoMs). Dahlia provides a simple and convenient development platform for the Verdin SoMs. The board...

AAEON, a leading developer of edge computing solutions, introduces the latest from UP Board, the UP Xtreme Lite. UP Xtreme Lite brings the powerful 8th Generation Intel® Core™ processors on a platform that’s even easier for developers on a budget. The UP Xtreme Lite is...

Analog Devices' LTC7804 offers low Iq, small solution size, and PassThru™ operation for up to 99.9% efficiency ADI's LTC7804 is a low IQ, 3 MHz PassThru operation capable synchronous boost DC/DC switching regulator controller that operates up to a 40 V input voltage. Its low...

LED technology is opening the door to a variety of high-power-illumination applications. The circuit in Figure 1 can let you know when ac power is available. To drive a power LED from the ac line requires a converter or a similar arrangement. In this circuit, a passive dropper greatly...

Versatile Raspberry Pi-based ComfilePi models 7” CPi-A070WR and 10” CPi-A102WR are joined by a 15” version Saelig Company, Inc. has introduced the ComfilePi CPi-A150WR  – a Raspberry Pi-based industrial PC with a 15” touch-panel display. Leveraging the compact, ubiquitous...

We have seen people make many simple reflow ovens, comprising of an old toaster oven, a Solid State Relay (SSR), a thermocouple, and a microcontroller to get it functioning. Hobbyists and makers have been converting old toaster ovens into PCB reflow machines in other to save money,...

Ultra Low Power Sensor Board for Artificial Intelligence at the Edge. The ECM3532 AI Sensor board is an ultra-low power AI platform with sensors that can run many algorithms: sound classification, keyword spotting, activity classification, context awareness, defect detection and...