Simple, high accuracy/precision/resolution frequency counter
Here is a simple circuit for a frequency counter derived from the GPSDO schematic.
Precision synchronous detection amplifier facilitates low voltage measurements
This design idea presents a practical circuit that implements synchronous detection to amplify small DC voltages with high linearity and…
Designing a portable system for in situ failure prediction in fuel cells
As PEM fuel cells get used in more transport vehicles like buses, cars, and light rail vehicles, it becomes increasingly…
Simple GPS Disciplined 10MHz Reference uses Dual PWMs
The trick to getting a more precise and accurate 10 MHz signal is to find the right adjustment for the…
Why Nordic Semi is acquiring an embedded memory supplier
The MCUs and SoCs serving IoT applications are getting bigger and smarter and embedded memory has become a vital ingredient…
Creating smart brightness-controlled lamp with a motion sensor
Here is how to create a smart brightness-controlled lamp with motion sensor.
The start-up transistor works once!
In a tail light design using a step-down converter, the start-up transistor fails repeatedly.
Battery-powered smart alarm system design blueprint
The smart alarm system employs AI-based sensor fusion that complements acoustic event-detection processing with a wake detection engine.
Low-cost vibration analysis using PC audio and DIY motion sensors
This design idea explores the potential of personal computer audio codecs, software oscilloscopes, and spreadsheet math for acquisition of signals…
Solar fan with dynamic battery backup for constant speed of operation
This design idea features a fan that runs at constant speed.