I have an old-ish motherboard with a single 4-pin PWM header and two 3-pin headers. Unfortunately, the 3-pin version of the fan I want is no longer available I'm considering just buying 3 PWM-versions ...
I recently published a Design Idea (DI) showing some very simple circuits for PWM programming of standard regulator chips, both linear and switching, “Revisited: Three discretes suffice to interface ...
Additions to the 32-bit PIC32MX5/6/7 microcontroller families provide Ethernet, CAN, USB 2.0 OTG, and serial connectivity with cost-effective memory options and power consumption of just 500-µA/MHz ...
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