Results for the search: Portable Devices

Low-Voltage Alarm

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

Low-Side Battery Current Sensor

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

IrDA Interface for Portable Devices

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

Beat Frequency Oscillator (BFO) Metal Dete...

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

USB Charged UPS

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

Simple Metal Detector

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

Wireless Tilt Mouse

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

Energy Meter based on MCU

The circuit shown is a microcontroller based Energy Meter that uses MCP3905A as its main component, ...
Microchip

Music Box Circuit

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