✍ Suitable for Uno R3 Electronic Building Blocks V4.0 Special Sensor Expansion Board V4

✍ Description:
This expansion board can be easily connected to some commonly used analog sensors such as light sensors. With the support of this expansion board and the corresponding circuit module, we only need to connect the corresponding sensor module with UNO with a dedicated connection line, and the circuit part is completed. Since the specific details of the circuit apply with the corresponding sensor modules, all we need to consider is how to write the corresponding program in UNO to read the data transmitted by these sensors.

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