All posts by Michael Albert

Powershell: Working with a SQLite Database

Hi,

SQLite Databases are widly used, even Windows uses for the organisation of its Appx Packages a SQLite database. This database is located in the file C:\ProgramData\Microsoft\Windows\AppRepository\StateRepository-Machine.srd.

Continue reading Powershell: Working with a SQLite Database

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Tasmota: My FAQs

Hi,

these are my FAQs for Tasmota:
Continue reading Tasmota: My FAQs

Tasmota: Setup a PWM with 1024Bit

Hi,

short post today. It shows howto configure a GPIO Pin as PWM with a width of 1024Bits. Note the restrictions when using IO Ports.

Configure GPIO 14 to PWM 1.

Continue reading Tasmota: Setup a PWM with 1024Bit

Linux: Set systemd target (init/runlevel level) at grub command line

Hi,

if you temporary don’t want to boot to a graphical login manager you can, at the grub command line, tell the systemd-target the system should boot to.

Continue reading Linux: Set systemd target (init/runlevel level) at grub command line

Linux: Enable i2c kernel tracing

Hi,

when you want to see whats happened on the i2c bus on an raspberry pi you can enable tracing with debugfs.

Get root and mount debugfs. This is usually already mounted in raspbian

michael@debdev ~ # sudo su
root@debdev ~ # mount -t debugfs none /sys/kernel/debug

Continue reading Linux: Enable i2c kernel tracing