Can I 'mirror' a GPIO signal on another GPIO?
Posted: Wed Dec 23, 2020 7:29 pm
Please help!
I'm trying to debug a new custom ESP32-WROOM-32D based board.
I have access to a couple of test pins that are connected to some of the ESP32 GPIO's on the board(GPOI's 2,4 & 5), but I want to measure clock signals on the i2s pins (BCLK = GPIO 26, WCLK = GPOI 25 and DOUT = GPO 23).
As it's a nightmare to connect probes to the i2s pins, I was hoping there might be a simple way to passively 'mirror' the the signals on the i2s pins to the GPIO test pins?
Thanks,
John
I'm trying to debug a new custom ESP32-WROOM-32D based board.
I have access to a couple of test pins that are connected to some of the ESP32 GPIO's on the board(GPOI's 2,4 & 5), but I want to measure clock signals on the i2s pins (BCLK = GPIO 26, WCLK = GPOI 25 and DOUT = GPO 23).
As it's a nightmare to connect probes to the i2s pins, I was hoping there might be a simple way to passively 'mirror' the the signals on the i2s pins to the GPIO test pins?
Thanks,
John