Sensirion solves long-standing stability problem in metal-oxide gas sensors
https://www.electronics-lab.com/sensirion-solves-long-standing-stability-problem-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 Sensirion’s multi-pixel platform, which integrates four gas sensing elements into a very […]
Arduino RFID Keycard Access
https://www.electronics-lab.com/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 – [Link]
2.5V to 36V, 2.5MHz, PWM Boost Controller with 4μA Shutdown Current
https://www.electronics-lab.com/2-5v-36v-2-5mhz-pwm-boost-controller-4%ce%bca-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 operating range can be extended to as low as 2.5V in bootstrapped mode. 2.5V to 36V, […]
How to Make Your Own ARDUINO UNO Board
https://www.electronics-lab.com/make-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 is done we will know how […]
DIY Arduino Soldering Station
https://www.electronics-lab.com/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 Soldering Station – [Link]
BQ25504 Solar Cell LiPo Charger
https://www.electronics-lab.com/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 – [Link]
Reliable molecular switch
https://www.electronics-lab.com/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 components will be required – and it is here where molecular electronics will […]
Simple Pressure Sensor Amplifier & Over Pressure Switch
https://www.electronics-lab.com/simple-pressure-sensor-amplifier-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 value that can be used as over pressure switch to […]
50 Segment Serial Bar-Graph Display Driver
https://www.electronics-lab.com/50-segment-serial-bar-graph-display-driver/
The serial controlled 50 Segment Bar-Graph Display built using CAT4016 IC. Very useful projects for development Bar-Graph based, Temperature Meter, Interactive Games, Voltage Display, Current Display., Pressure Sensor, Magnetic field meter and PH Meter. Tilt meter, LUX meter. The CAT4016 is a 16 channel constant current driver for LED billboard and other general display applications. […]
3.3V @ 1.5A Buck Regulator
https://www.electronics-lab.com/3-3v-1-5a-buck-regulator/
The circuit presented here is based on LTC3601, a high efficiency, monolithic synchronous buck regulator from Linear Technology. The circuit operates at an input voltage ranging from 4V to 15V, this makes it suitable for a wide range of power supply applications. It is capable of producing a output voltage of 3.3V. Burst Mode operation […]