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This is a mini USB programmer equipped with CH341A chip supporting the most 24 EEPROM and 25 SPI flash 8/16 pin chips. On-board 24/25 series working indicator enable the user easy to recognise the module working status. On-board USB to SPI/TTL port and 5/3.3V output port,user-friendly. Come along with the SOP8 SOP16 to DIP8 converter board enable the user easy to connecter with different chips widely used in the PC motherboard,LCD monitor, DVD, router program reading and writing. Specifications: Support 24EEPROM and 25 SPI flash 8pin/ 16pin chip With CH341A chip With USB to TTL port, can getroot online Recognize 25 series chip automatically Support download STC series procedure of singlechip With 24/ 25 status indicator lamp With 5V-3.3V power supply output SPI pin to support expanding the utility Size: approx. 85mm*28mm *15mm/3.34*1.1*0.59'' (L*W*H) Net weight: approx. 21g FAQ handling: 1.When the last four lines of the detected information content are displayed as $FF(As picture problem 1), indicating that the chip pins are not properly in contact with the test socket, please check whether the chip is reversed or cold solder joint. 2. When the following 4 lines are not FF As picture problem 2), it means that the chip has been detected, but the model is not recognized, and the chip model need to be manually selected. 3. If the chip is correctly recognized, a timeout error occurs during automatic operation, you can try manual operation, such as: erase - check empty - programming - check, step by step operation. Package inlcuded: 1X Mini USB Programmer 1X SOP16 SOP8 to DIP8 Adapter Board 2x pin header