Getting a handle on thermistor temperature measurement
Temperature is one of the most common parameters monitored by an embedded system. There is a wide array of temperature sensors available to achieve this….
Ken Wada
As the president and owner of Aurium Technologies, an independent product design and consulting firm, Ken brings over 25 years of experience architecting and designing products and systems for various high-tech industries. His design experience includes such high-profile systems as the FASTRAK vehicle sensing system for toll roads and bridges and one of the 1st RAID servers while under contract for the National Security Agency. His expertise spans various disparate technologies from industrial automation, biotechnology, and high-speed optical networks. Ken has consulted for many small and large companies in the Silicon Valley area, and has been on the product design teams for three successful startups that have gone IPO. Ken holds four patents to his name. Three of the patents are in the biotech fields, and one deals with the rheological measurement of plastic feed stock material.
Current sources
Many times in an embedded system, we need to supply a constant or variable current to power a transducer, excite a sensor, or charge a…
Code for “Bit-banging pulse density modulation”
Source code for article “Bit-banging pulse density modulation” by Ken Wada.
Source code: mTapBufferLib.zip for multi-tap software delay buffer
Code that accompanies the article “A multi-tap software delay buffer” by Ken Wada, aka, the Bit Banger. This article is about how to construct and…
Source code: firSMA.zip for multi-tap software delay buffer
Code that accompanies the article “A multi-tap software delay buffer” by Ken Wada, aka, the Bit Banger. This article is about how to construct and…
Source code: firDiff.zip for multi-tap software delay buffer
Code that accompanies the article “A multi-tap software delay buffer” by Ken Wada, aka, the Bit Banger. This article is about how to construct and…
A multi-tap software delay buffer
A multi-tap delay buffer is very similar to a queue. The main difference between a multi-tap delay buffer and a queue is the multi-tap delay…
Voltage references 101
Many embedded systems require a stable, low-noise DC reference. This reference can be a stable current or voltage source. These references are used in many…
What’s your programming philosophy?
Often, when I'm asked how I approach particular engineering problems, the questioner most specifically wants to know how to get started with any particular project…
Bit banging a contact closure input
Some projects require a microcontroller to monitor a set of mechanical contacts. These contacts can range from a simple switch, push button, or a set…
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