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You are here: 8051 Tools Development Board Old Versions Rev 3 (2001) More Code

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PJRC Store 8051 Dev Board, $79 LCD 16x2 Display, $10 Serial Cable, $5 12 Volt Power, $8 More Components... 8051 Tools Main Page Software PAULMON Monitor Development Board Photos & Features Getting Started Example Code Memory Map Ports & Pinouts Schematic & Parts Circuit Board Construction Troubleshooting Old Versions Revision List Rev 3 (2001) Photo Getting Started LED Blink, Asm LED Blink, C More Code Schematic Circuit Board Construction Troubleshooting Buying Parts Rev 2 (1997) Rev 1 (1992) Code Library 89C2051 Programmer Other Resources

New Rev 4 Board

A newer version (Rev 4) of this circuit board is available. Rev 4 includes a faster CPU, more memory, more I/O and an optional LCD. We recommend you use Rev 4 for new projects. Even though this older board is no longer available, we are keeping these old pages on-line for reference to assist people who purchased or build the older version.

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