I have written an example usign the libopencm3 library in C++ to read 3 ADC channels on an STM32 Maple Mini (STM32F1) and store it into an array using the DMA.
The whole code is here and the output can be seen on the serial port 1.
I have spent sometime to find the reason why my fail2ban installation seems not to be able to catch these lines. The answer in the end was quite simple: If you log using systemd, then you need to specify a journalmatch line to filter out those lines properly.
This type …
If you, like me, does not like to have the whole libvirt just to run some VMs a couple of times per month, here is my working example for the qemu, updated, as far as I know, to the next Debian version (11 aka Bullseye). Note the use of pulseaudio …
I had a little confusion regarding how to flash a firmware into the maple mini board and, more in general, on the STM32 family microcontroller.
Normally I have always used an st-link V2 usb pen for both upload a new firmware and debugging purpose, but a friend ask me "why …
In the beginning of this year I restart one of my oldest hobbies, ham-radio. It was not my intention to invest a lot of effort into it so I brought two vertical antennas, one for the HF and the other for VHF and UHF.
HF antenna is a Falcon D-original …