Sensirion solves long-standing stability problem in metal-oxide gas sensors
IC

Sensirion solves long-standing stability problem in metal-oxide gas sensors

At this year’s Sensor+Test 2017 in Nuremberg (May 30 – June 1), Sensirion AG, the expert in environmental and flow sensor solutions, introduces the SGP – a siloxane resistant metal-oxide gas sensor with unprecedented long-term stability. The SGP gas sensor is based on...

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Arduino RFID Keycard Access
ArduinoRF

Arduino RFID Keycard Access

Use the PN532 NFC available on the anduinoWiFi shield to create an RFID keycard building access system. by Brian Carbonette @ hackster.io Arduino RFID Keycard Access -...

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2.5V to 36V, 2.5MHz, PWM Boost Controller with 4μA Shutdown Current
IC

2.5V to 36V, 2.5MHz, PWM Boost Controller with 4μA Shutdown Current

by Graham Prophet @ eedesignnewseurope.com: Maxim Integrated has posted details of the MAX17290/MAX17292 high-efficiency, synchronous step-up DC-DC controllers, that operate over a 4.5V to 36V input voltage range with 42V input transient protection and feature reduced EMI. The input...

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How to Make Your Own ARDUINO UNO Board
Arduino

How to Make Your Own ARDUINO UNO Board

Being Engineers @ instructables.com writes: Hello guyz, Welcome to Being Engineers. Hope you all are doing good. In this tutorial we will learn how to make your own Arduino Uno. We will gather the components, test the circuit in breadboard, then we will make the board itself. When it...

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DIY Arduino Soldering Station
ArduinoDIY

DIY Arduino Soldering Station

GreatScottLab @ instructables.com writes: In this project I will show you how to create an Arduino based soldering station for a standard JBC soldering iron. During the build I will talk about thermocouples, AC power control and zero point detection. Let's get started! DIY Arduino...

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BQ25504 Solar Cell LiPo Charger
Photovoltaic

BQ25504 Solar Cell LiPo Charger

by Pesky Products @ tindie.com: This is a small (0.5 x 0.5 inch) breakout board for Texas Instrument's BQ25504 Ultra Low Power Boost Converter with Battery Management for Energy Harvesting Applications. BQ25504 Solar Cell LiPo Charger -...

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Reliable molecular switch
Science

Reliable molecular switch

by Eric Bogers @ elektormagazine.com: Nanotechnology repeatedly breaks new records in the area of miniaturization. However, there are physical limits when reducing the size of electronic components and these will be reached in the near future. This means that new materials and...

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Simple Pressure Sensor Amplifier & Over Pressure Switch
Sensor

Simple Pressure Sensor Amplifier & Over Pressure Switch

The pressure sensor amplifier built using LM358 op-amp and MPXM2051GS pressure sensor from NXP semiconductor.  The circuit provides 4V output for full scale pressure input 0-7.5PSI.  One op-amp is used as amplifier and 2nd op-amp is used as comparator to provide an output at set...

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