My 15″ Santa Rosa (2.4 GHz) MacBook Pro is seriously limited with its two USB 2.0 ports. So I thought about:
Continue reading ExpressCards on Santa Rosa MacBook Pro
I have a couple of faulty Apple iPhone chargers, one of which is an original, the other is a clone… Let’s open them up and see what’s inside and compare them…
Continue reading Pulling apart an Apple iPhone charger
It’s one of those horrifically dangerous 2.5×2.5×2.5 cm mini-cube singe port 1 A USB chargers. There were scorch marks on the base of the case. The circuit was very simple, a simplified SMPS on two small PCBs… which held into the cube casing with white silicone/glue – scratch that away and it is easy to extract the pair of PCBs
Continue reading Burnt out USB charger
Whilst looking into the XTAR battery chargers, I came across the XTAR EU4, which offers QC3.0, 2 x USB 2.4A and USB C (PD) ports… although the QC and PD capability is a bit limited (i.e. QC has no 20V capability, and PD current is limited to 20V 2.25A (45W)), but not by much…
Continue reading High power USB charging station
I bought a USB caddy with a 500GB SATA 2.5″ HDD inside.
Philips SDF3271SC/97 which may or may not be an original or a clone. It has a Mini USB connector, rather than a MicroUSB, which is an indicator of its age. It won’t mount on OSX 10.8.5
Continue reading Faulty USB caddy on OSX
I already have two of these, the simplest version and the white one with a lead, but neither are close to hand, so I need to get another one, but a different one…
Continue reading USB Meters
I wrote a long winded post that did not really answer the question, Can’t connect Cura to my Anet A8 on OSX 10.11.6, but rather catalogued my search for a solution to my own problem.
With respect to this post Should I clean up my answer?, I decided to delete my answer and keep the information here, in this article.
Continue reading CH340 on OS X
There are a number of different devices, or boards, that convert from USB to RS232 serial signals. They all carry out, more or less, the same function, the main difference being the choice of IC used to implement the interface. Continue reading USB-Serial interfaces
An issue cropped up on Stack Exchange Hardware Recommendations, relating to USB repeaters, for situations where the USB device was situated at some distance from the USB host, i.e. a PC. Described below is an attempt to address the problem of signal loss over the long cables required. Continue reading Active USB repeater