Optional higher Vcc voltages (5.6v and 6.2v) will be available when an external AC power supply is used. Quality components are used, for example, the high current tolerant coil is used to boost the robustness of the circuitry. High precision digital switching ICs are used to control the Vpp circuit ( vs cheap regular transistor controlled), thus dramatically improves the burning accuracy and reliability by multitudes. The PCB layout is fully optimized and the digital circuitry is separated from the power supply circuit, thus reducing interference. This board has many enhanced features, such as built-in PLCC32, FWH / LPC sockets, thus NO NEED to pay extra to purchase these optional adapters. ![]() This is a brand-new and fully tested enhanced Dual Power (USB/AC) Willem Universal EPROM EEPROM programmer, PCB version PCB5.0E edition.
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