![]() ![]() You need a 3.3V voltage regulator to convert the 5V from USB to 3.3V, so you can power the 3.3V SPI BIOS chip. Without this connection it will not be powered, and thus not be detected by your OS (e.g. ![]() You must connect/shorten pins 8 and 9, which configures the device to be powered by USB. LD33V or LD1117xx.1Electrolytic capacitorsingle ended100nF.1Electrolytic capacitorsingle ended10uF.Instructions and hints. See the schematics for details (you can also for easier printing).What you will need: QuantityDeviceFootprintValueComments1-.1Breadboard-.manyJumper wires-.1DIP-8 SPI chip-This is the chip you want to program/read/erase.13.3V voltage. DLP-USB1232H based SPI programmer schematicsIn order to use the DLP-USB1232H device as SPI programmer you have to setup a small circuit (e.g.
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