Bit-Banging the USB-PD Protocol
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For one-off projects, adding a few integrated circuits to a PCB is not too big of a deal. The price of transistors is extremely low thanks to Moore and his …read more Continue reading Bit-Banging the USB-PD Protocol
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For one-off projects, adding a few integrated circuits to a PCB is not too big of a deal. The price of transistors is extremely low thanks to Moore and his …read more Continue reading Bit-Banging the USB-PD Protocol
Aside from their ability to operate fairly well in extreme temperatures, lead-acid batteries don’t have many benefits compared to more modern battery technology. They’re heavy, not particularly energy dense, have …read more Continue reading A Modern Battery For a Classic Laptop
If you’re designing a universal port, you will be expected to provide power. This was a lesson learned in the times of LPT and COM ports, where factory-made peripherals and …read more Continue reading USB And The Myth Of 500 Milliamps
How do you talk USB Power Delivery (PD)? Grab a PHY? Use a MCU with one built-in? Well, if you’re hardcore enough, you can do it with just a few …read more Continue reading USB PD On CH32V003 Teaches You Everything
There’s no shortage of USB-C chargers in all sorts of configurations, but sometimes, you simply need a few more charging ports on the go, and you got a single one. …read more Continue reading Split A USB-C PD Port Into Three Port-ions
USB-C is one of those things that generally everyone seems to agree on that it is a ‘good thing’, but is it really? In this first part of a series …read more Continue reading Getting Started With USB-C And Common Pitfalls With Charging And Data Transfer
There is a tendency as we get older, to retreat into an instinctive suspicion of anything new or associated with young people. All of us will know older people who …read more Continue reading USB-C PD: New Technology Done Right
When the USB standard was first revealed, a few peripherals here and there adopted it but it was far from the “universal” standard implied by its name. It was slow, …read more Continue reading USB-C Power Supply Pushes Almost 2 kW
When it comes to home-lab reflow work, there are a lot of ways to get the job done. The easiest thing to do perhaps is to slap a PID controller …read more Continue reading A Compact SMD Reflow Hotplate Powered by USB-PD
Even though manufacturers of handheld ham radios have been busy adding all sorts of bells and whistles into their portable offerings, for some reason, many of them lack a modern …read more Continue reading USB-C Power For Ham Radio