The old MCU ran directly from the USB Bus voltage, namely ~4.75…5V.All the peripherals had to be connected to the same voltage, because this was also the I/O voltage of the MCU. Now the situation is different: The Raspberry Pico runs on 3.3V and has Read More …
Schlagwort: ADR431
Reviving a USB power sensor Mini-Circuits PWR-SEN-6G+, Part II: Detective Work
The integrated circuits are small, but all have markings that can be clearly seen with the help of a magnifying glass: CY7C63743: The CY7C63743 is a „enCoRe™ USB Combination Low-Speed USB and PS/2 Peripheral Controller“ The part is obsolete, but its datasheet can still be Read More …