Results for the search: Portable Devices

IrDA Interface for Portable Devices

The circuit uses a SC16C650 to implement an IrDA interface. Infrared Data Association (IrDA) has defined …
NXP Semiconductors

USB Charged UPS

This design is a simple USB charged UPS that can switch between adapter and battery. The …
TE Connectivity

Wireless Tilt Mouse

Wireless tilt mouse allows the control of mouse cursor on the PC screen through tilting of …
Freescale

Low-Side Battery Current Sensor

This circuit is a simple current sensor with portable power supply like battery. It features no …
Microchip

Simple Metal Detector

A metal detector is a portable electronic instrument that detects the presence of metal nearby. Metal …
NXP Semiconductors

Beat Frequency Oscillator (BFO) Metal Detect…

When detecting the presence of metal nearby a metal detector comes in handy. It is useful …
NXP Semiconductors

Low-Voltage Alarm

This inexpensive dc supply-voltage monitor sounds a warning when the voltage falls below a preset value. …
NXP Semiconductors

Music Box Circuit

This circuit produces 10 different tones and by selecting suitable values to change the voltage on …
NXP Semiconductors

Police Lights

This project describes a set of warning lights fitted to a police vehicle when the officer …
NXP Semiconductors