Wednesday, July 27, 2011

Is it dawn yet? How shall we know?

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Those of you who've been following the development of the MCU-based ANLC will probably remember that I turned to a micrcocontroller sin...
Monday, July 25, 2011

A more decent measurement of dawn and dusk dV/dt

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I previously estimated the maximum dV/dt of the MCU-based ANLC sensor during dusk and dawn at 4.5mV/s, but I want to have a more accurate f...
Friday, July 22, 2011

Digital filter for auto night light

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In any automatic night light circuit that's meant to switch on perimeter security lights, the time period we are most interested in is d...
2 comments:
Sunday, July 17, 2011

New Youtube lectures on filters by Analog Devices

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Assuming you know the basics of electronics, including op amps, the following lectures are easy to understand and pretty enlightening. Fil...
Wednesday, July 13, 2011

Microcontroller-based automatic night light circuit

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While discussing an all-linear automatic night light circuit I mentioned that I was testing an MCU-based ANLC. Well, I've been tweaking...
2 comments:
Tuesday, July 12, 2011

Triac optoisolator directly driving an inductive load

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As far as I know the MOC301x and MOC302x series of triac optoisolators are intended to drive power triacs and not meant to drive loads direc...
3 comments:
Thursday, July 7, 2011

Vexing silicon bug on the PIC12F1822

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Been having a problem with a firmware which uses the analog-to-digital converter (ADC) of the PIC12F1822 to read the buffered voltage outpu...