In the six months that have passed after the last USB-C article has been released, I have thought up a bunch of ways that these articles could have been improved. It’s, of course, normal to h… ...

Here is the indicative schematic circuit diagram of the usb charger doctor, drawn by me. ... (circuit diagram) All the pins except 3, 4, 5, 12 and 13 of the 16-pin MCU (U2) are routed to the LED ...

This stemmed from a review of a friend’s circuit design that used the UART in the project, but also called for an FTDI chip in order to reprogram via USB and a bootloader. Unlike the schematic ...