The project illustrates an old Arduino USB board being hacked by finding the right pins and stringing a capacitor between the serial connector and the reset line. One side of the capacitor connects to ...

Before opening the Arduino software, wire up the Arduino according to the circuits page using the 8MHz minimalist breadboard circuit but with a 10k pull-up resistor on the reset pin (physical pin 1).

When I try to upload a new sketch to rp2040-zero (Waveshare) board using usb, arduino ide says that there are no available devices No accessible RP2040/RP2350 devices in BOOTSEL mode were found.