Author: mixos
Air pressure sensors in smartphones
Dr. Thomas Block has a great article about air pressure measurement on smartphones and which benefits this may have. Today’s smartphones utilize a wide array of accelerometers, gyroscopes and various other sensors in their designs. Relatively unknown is the barometric pressure...
Continue ReadingBasic Electronics – How to use a 555 Timer
Do you want to know how to use a 555 timer? Laura brings you more Back to School tips and tricks on using this integrated circuit. Basic Electronics - How to use a 555 Timer -...
Continue ReadingCircuit provides cold-junction compensation
Mark Maddox @ edn.com has a design idea on cold-junction compensation using AD7708. The accuracy of any circuit or system that uses a thermocouple to determine the temperature of a process is limited by the accuracy of the method used to perform cold-junction compensation. In a...
Continue Reading100Vin, 5W out regulator uses primary-side control
LT8303 is a monolithic flyback regulator in a TSOT-23 package that simplifies the design of isolated DC/DC converters. By sampling the isolated output voltage directly from the primary-side flyback waveform, the part requires no opto-isolator, LT1431 or third winding for regulation....
Continue ReadingLow noise Mini Electret Microphone PreAmplifier
The single supply microphone pre-amplifier amplifies the output signal of an electret capsule microphone to audio line levels. An op amp is used as a trans-impedance amplifier to convert the output current from the microphone in to a signal level voltage. The circuit works with 9V so...
Continue Reading8 Channel Relay Board with onboard 5V regulator
This is a general purpose relay board accepting 8 inputs to drive 8 relays providing control requirement in your project. This board can also be used as an add-on card for the various Development board that we provide and various microcontroller boards. Features Robust Design...
Continue ReadingTemperature-to-period circuit provides linearization of thermistor response
by S Kaliyugavaradan, Anna University, Madras Institute of Technology, Chennai, India; Edited by Brad Thompson and Fran Granville -November 10, 2005 Designers often use thermistors rather than other temperature sensors because thermistors offer high sensitivity, compactness, low...
Continue ReadingReview: pi-top DIY laptop for your Raspberry Pi
The pi-top converts your Raspberry Pi into a complete RPi notebook. by René Bohne @ elektormagazine.com It comes as a nice kit that is very easy to assemble thanks to a great construction manual. We created a video of the assembly. If you have any questions, feel free to leave...
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