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...
Continue ReadingArduino 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 -...
Continue Reading2.5V 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...
Continue ReadingHow 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...
Continue ReadingDIY 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...
Continue ReadingBQ25504 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 -...
Continue ReadingReliable 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...
Continue ReadingSimple 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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