U-Boot Reference Manual
U-Boot is used in Armbian, the manual is attached below.
Re-pair Apple Keyboard and Apple Mouse
Re-pair Apple Keyboard and Apple Mouse
If you want to reuse a mac keyboard or mouse for another mac, use following steps
Keyboard
Connect keyboard via USB lightening cable, it will automatically pair with new mac.
Mouse
Connect mouse via USB lightening cable, and click on bluetooth icon, then click on connect.
Mi Bluetooth Audio Receiver User Manual
Mi Bluetooth Audio Receiver User Manual
Pros
This bluetooth audio receiver is very light, very suitable for sports.
Cons
Can not adjust volume, and also can not use the headset to adjust the volume if the headset has volume control.
Only support bluetooth 4.2. Anyway, for sports, it is very good as audio quality is not that important.
Picture
Specifications
97mAh built-in battery
Maximum continuous playing time: 4 hours
Working distance: 10 meters
Charging port: Micro USB
Wireless connection: bluetooth version 4.2
Input parameters: 5V1A
Implementation of the standard: Q / WMSX007-2017
CMIIT ID: 2017DP3366
bluetooth protocol: HFP / HSP / A2DP / AVRCP
Compatible with external headphones: support 3-segment 3.5mm plug stereo headphones; support 4-segment 3.5mm plug GB and American standard phone headset (OMTP/CTIA automatic identification switch)
Package Included
1 x Xiaomi bluetooth Remote 4.2 Audio Wireless Receiver
1 x 3.5mm Audio Cable
Manual
Mi Bluetooth Audio Receiver User Manual
References
YPJSQ01JY Mi Bluetooth Audio Receiver User Manual Tiinlab Acoustic Technology (Shenzhen)
Permission error when run Fusion VM
Permission error when start Fusion VM
Error
When trying to start a newly created virtual machine in VMware Fusion, following error occurred
Error: Could not open /dev/vmmon...This is because Fusion has no permssion to open device file required.
Steps
- Navigate to System Preferences > Security & Privacy on the host macOS (High Sierra, Mojave and Catalina).
- Under the General tab towards the bottom of the window, you see error similar to following message with option to click on “Allow”:
System software from vendor "VMware, Inc." was blocked from loading.- Click Allow.
- Restart Fusion, and start virtual machine again.
- If some other permission errors occurr again, repeat above steps.
References
Error: Could not open /dev/vmmon: Broken pipe, while launching the Virtual Machine (80467)