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Description
Voice Recognition Module MAX7219 4 in 1 Dot Matrix Display Module I2C Bus: Pins A4 (SDA) I2C Bus: Pins A4 (SDA) and A5 (SCL) enable I2C communication with OLED displays Professional Grade Used for BIOS flashing malfunctions smart devices
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
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