It uses USB 2.0 (Full Speed) and requires an external 12V DC adapter (critical: voltage ripple kills these units). For the price, the hardware is surprisingly robust. The problem is entirely on the software side.
Equipped with a 48-pin ZIF socket and an In-Circuit Serial Programming (ISP) connector for programming devices without removing them from a board. Top2049 Universal Programmer Software Download
Software-controlled programming voltage ensures chips are not damaged during the write process. 5. Troubleshooting Common Errors It uses USB 2