Board-dat/MPC/MPC1073-DAT/MPC1073-OS-error.md
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@@ -8,4 +8,11 @@ We had feedback from other customers about this
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please also read in reviews
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-- https://www.electrodragon.com/product/rgb-matrix-panel-drive-board-raspberry-pi/
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+https://www.electrodragon.com/product/rgb-matrix-panel-drive-board-raspberry-pi/
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+ Chao (store manager) – February 27, 2020
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+ Hi, please double check the power supply, you need a lab power at least 3-4A. We never have this problem before, not yet sure what or where is wrong. If problem still not solve please email us info@electrodragon.com.
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+ Here is another post to use RPI4, RPI4 should be no problem: https://iot-for-maker.blogspot.com/2020/02/led-5-raspberry-pi-4-dietpi-buster.html