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I2S stereo ADC (Cystral CS5333)
Introduction This breakout board was developed to test and design circuits using the Cystal CS5333 stereo sigma delta ADC, this 16bit device supports 192KHz and it ideal for audio application, in...
View ArticleSOIC to DIP adaptors
Introduction All layouts have been designed so that the SOIC sits of to the side rather than in the center like most commerically developed boards this makes it easier for home assembly where single...
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Calibration aid for multimeter
Introduction This calibration aid provides a fixed +5V DC output useful for checking accuracy of measurement equipment, the design is based around X60003 high precision voltage reference, in a SOT23...
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Single Phase H Bridge
Introduction During my study at University of Canterbury, in Christchurch NZ, I worked on a cascaded H-Bridge design intended for high voltage high frequency arbitrary waveform generation. This...
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Low cost inductance measurement
Introduction I only occassionally need to measure the value of an inductor, however my current two multimeters don’t support inductance measurement. In addition the meters that do are quite expensive...
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Capacitive Touch demonstration
Introduction This board was developed to enable me to test the Freescale semiconductor MC34940E, 7 button capacitive touch sensor IC. Unlike similar capacitive touch IC’s on the market this device is a...
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USB host interface board
Introduction I developed this breakout board to enable me to experiment with the Maxim MAX3421E SPI to USB converter IC this device is supplied in 32 pin 0.5mm pitch TQFP package and supports 8 input...
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Car MP3 Player
Introduction This module was developed to allow me to play MP3 songs though my existing Toyota car audio system, in my case a stock standard Toyota branded TST-5170, this uses the Toyota proprietary...
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USB 2.0 development board
Introduction This board was developed to enable me to develop projects using the Cypress CY7C68013 8051 USB microcontroller. This device is probably one of the easiest ways to interface to USB2.0 high...
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Bluetooth Breakout board Part 1
Introduction I recently purchased a RN42 bluetooth module from Sparkfun Electronics, this compact module measuring 14x25mm is designed for SMD assembly into a larger board, since I wanted to easily...
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