Arduino Projects and Circuits
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Four 595s together to drive 7-segment displays and alsoadded code to acceptinput from the PC. Instead of using 10-LED bar graphs like I did last time, I`ve moved on to 7-segment displays - which are more challenging and provide a more meaningful output. The....
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This is just a quick post at the moment because the project isn`t done and I am distracted by other things. The thermostat for the central heater in my house became unreliable a week or two ago. My wife rang around and a new one from the manufacturer of the....
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DAC is short for Digital to Analog Converter. In this article we play around the code Michael Smith created for a PWM based DAC. I modified his code so that other DAC options could be tried. I compare the 8-Bit PWM DAC with the R2R DAC at various numbers of....
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A Video Switcher which can be controlled using the computer`s parallel port. Unfortunately, fewer PCs are fitted with parallel pors these days and, for a laptop, it`s not really an option so the need to control the Switcher through a USB port became....
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Sip-and-Puff (SNP) controllers are nothing new - you`ve probably seen one in action yourself. SNPs are often seen on electric wheelchairs and allow individuals who can`t use their hands to control their wheelchairs (or whatever else) by either "sipping"....