Yes, there is not the USB but i see that there are pins for GPIOs and GND 5V / 3v3 so i believe that soldering pins are Okay to flash and then to energy on :-) So back again to my concern: Is there any Ethereum address generator that will https://linkdirectorynet.com/listings12699475/getting-my-trc20%E9%92%B1%E5%8C%85%E9%9D%93%E5%8F%B7%E5%9C%B0%E5%9D%80-to-work