new GND and 3.3V power supply pins for the breakout-board, which only tolerates 3.3V power supply. for additional SDA and SCL connections and the pull-up resistors (4.7 kOhm) The pins of the SparkFun Breakout board ADX元45 should fit into board #2.
The grid on the board design is 2,54×2,54 mm.īOARD #2: The second board is like the first one, but new connections have been added. As a basis for the new boards I read the documentation to build a Satshakit, which is an Arduino IDE/libraries compatible board.īOARD #1: I download the standard-files for the CNC milling and start a new design in Eagle. For this assignment I have to design and build new boards.
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