If you want to plug a USB cable into your next project, you’ve got a problem. USB is not UART, and UART is what every microcontroller serial port wants. To add USB to your microcontroller pro… ...

Starting with the recommended schematic for the ESP32, the most obvious things to remove are a number of the interfacing components like the USB to UART chip and the JTAG interface.

Project Schematic (click on thumbnail for bigger image) At HSC, I found an old AMP plastic backshell that’s been around at least as long as I’ve been designing products, and that’s really a long, long ...

Mixed-signal chip maker Cygnal Integrated Products (Austin, Texas) now has available a power-managed USB-to-UART bridge chip. This IC is way cool, both literally and figuratively. Dubbed the CP2101, ...