LTC3887/LTC3887-1 – Dual Output PolyPhase Step-Down DC/DC Controller with Digital Power System Management

Features Order Custom Programmed Parts PMBus/I2C Compliant Serial Interface – Telemetry Read Back includes VIN, IIN, VOUT, IOUT, Temperature, Duty Cycle and Faults – Programmable Voltage, Current Limit, Digital Soft-Start/Stop, Sequencing, Margining, OV/UV and Frequency Synchronization (250kHz to 1MHz) ±0.5% Output Voltage Accuracy Over Temperature Integrated 16-Bit ADC VOUT Range: 0.5V to 5.5V (VOUT0, VOUT ...

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LTC3899 – 60V Low IQ, Triple Output, Buck/Buck/Boost Synchronous Controller

Features Dual Buck Plus Single Boost Synchronous Controllers Wide Bias Input Voltage Range: 4.5V to 60V Outputs Remain in Regulation Through Cold Crank Down to a 2.2V Input Supply Voltage Buck and Boost Output Voltages Up to 60V Adjustable Gate Drive Level 5V to 10V (OPTI-DRIVE) No External Bootstrap Diodes Required Low Operating IQ: 29μA (One Channel On) 100% Duty Cycle for Boost Synchronous MOSFET Phase-L ...

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Print-On Polymer Multiplies Solar Output

PORTLAND, Ore. -- Scientists have demonstrated a doubling of the number of electrons produced by carbon-based photovoltaic polymer potentially doubling the efficiency of any solar cell. The process called "singlet fission" produces "identical twin" electrons from a single photon, instead of the normal one, dramatically boosting the theoretical maximum output of solar cells. Instead of loosing energy to heat ...

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General Purpose Input Output Arduino Shield

This example shows technique for calibrating sensor input and shows the sensor outputs by controlling LEDs and SSD, also shows how to monitor the state of a switch. Hardware Required 8 LEDS 2 push button switches 2 sliding switches 4-SSD with MAX7221/7219 LM35 Speaker Circuit In this circuit according to the above diagram 8 LEDs were connected to the Arduino digital pins 2 to 9. Pin 2 is the LSB and pin 9 i ...

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PowerDriver Shield

PowerDriver Shield description: This shield allows you to use a computer power supply (or other power source) to use your Arduino to switch high current. With RFP30N06LE MOSFETS, you can easily control a lot of current directly from your Arduino. The board provides 6 PWM outputs via screw terminals. Check the datasheet for the MOSFET for full specifications on how much current this board can handle. PowerDr ...

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Musical Instrument Shield

Musical Instrument Shield description: Provides access to the VS1053 MP3/MIDI decoder hardwired in realtime MIDI mode. The VS1053 provides 31 note polyphony in 128 GM1 standard instruments along with 50 percussion instruments. Musical Instrument Shield specification: Schematic Eagle Files Quickstart Guide Example Code Datasheet (VS1053) Illumitune Project (tutorial) (video) Musical Instrument Shield pinout: ...

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Motor Shield

Motor Shield description: This is a motor shield for Arduino that will control two DC motors. Based on the L298 H-bridge, the Ardumoto can drive up to 2 amps per channel. The board takes its power from the same VIN line as the Arduino board, includes blue and yellow LEDs to indicate active direction, and all driver lines are diode protected from back EMF. Control for motor attached to OUT1/2 is connected to ...

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EL Escudo

EL Escudo description: The EL Escudo is an Arduino shield that drives EL wire. Electroluminescent wire is a flexible cord that emits a florescent light. Some times referred to as 'cool neon' because the cord does not heat up. The problem is that EL wire runs on high voltage AC: about 125V at 425Hz. While EL wire requires very little power, you can't use normal transistors to turn on/off a string of it. The ...

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Ardumoto Shield

Ardumoto Shield description: The new version of this shield allows for either 3.3 or 5v logic, a separate and more robust VIN connection, and the PWM input has moved to pin 3. This is a motor shield for Arduino that will control two DC motors. Based on the L298 H-bridge, the Ardumoto can drive up to 2 amps per channel. The board takes its power from the same Vin line as the Arduino board, includes blue and ...

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QuadMotor Shield

QuadMotor Shield description: It has a built in character map and LED multiplexing that minimizes processor loading and code space.  The driver chip uses is  MAX6953 from Maxim IC QuadMotor Shield specification: Arduino compatible shield 140 LEDs – 4 1.5 inch(3.8cm). Red 5 x 7 Matrix Displays Low power – No external power required. Power sourced from Arduio. Easy to use – requires very little code space. Ea ...

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Music Shield

Music Shield description: iPod/iPhone dock compatible shield based on the VS1053b. Can play variety of music formats and even record sounds. Has the very same 30 pins connector as the iPod, making it possible to use the shield on any ipod compatible dock. You can output music to a external speaker, use the Play/pause, next song/previous song button on the dock or remote controller. Music Shield specificatio ...

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Danger Shield

Danger Shield description: The Danger Shield contains a variety of fun and useful electronic circuits that you can use to do fun and useful things with Arduino. It is a fully self-contained shield. You plug it into your Arduino, and you can immediately start using it. No extra things to hook up, no external components. Danger Shield specification: 3 x linear sliders w/ integrated LEDs (each independently ho ...

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