fixed bug can't remember energy data when power off.
you can download by bootloader.exe tool by RS485.
ARM BIN file download:
N10203060_KU_V20_260324SP.zip (Size: 14.42 KB / Downloads: 5)
bootloader.exe tool:
KC868 Controller Bootloader.zip
![[Image: attachment.php?aid=8891]](https://www.kincony.com/forum/attachment.php?aid=8891)
1. set baud rate=38400bps.
2. open com port.
3. power on Nx board, during LED fast blink when the "bootloader Detect" button right now. Then board will go to bootloader mode.
4. open BIN file
5. press "Download" button, begin download firmware, after finished, press "Run" button, ARM CPU begin work.
![[Image: attachment.php?aid=8892]](https://www.kincony.com/forum/attachment.php?aid=8892)
you can download by bootloader.exe tool by RS485.
ARM BIN file download:
N10203060_KU_V20_260324SP.zip (Size: 14.42 KB / Downloads: 5)
bootloader.exe tool:
KC868 Controller Bootloader.zip 1. set baud rate=38400bps.
2. open com port.
3. power on Nx board, during LED fast blink when the "bootloader Detect" button right now. Then board will go to bootloader mode.
4. open BIN file
5. press "Download" button, begin download firmware, after finished, press "Run" button, ARM CPU begin work.
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Online Store: https://shop.kincony.com
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