Did you ever struggle with an ESP32 board of yours, wishing you had exposed that UART, or seriously lacking the JTAG port access? If so, you should seriously check out [0xjmux]’s ESP-PROG-Adapter ...

J-LINK REDUCES JTAG DEBUG PINCOUNT FROM 5 to 1! Pittsford, New York—Traditional JTAG boundary-scan testing normally takes up 5 valuable pins on an i.c., requires 5 resistors, and increases chip power.

JTAG (jay-tag) is one of the engineering acronyms that has been transformed into a noun, although arguably it is not so popular as RAM, or CPU. IEEE Std 1149.1-1990 IEEE Standard Test Access Port and ...

JTAG debuggers tend to be large, fast, and expensive, or cheap and slow. The new crop of USB-based JTAG debuggers is cutting the cost while keeping the performance high. I recently had a chance to ...