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Moving from Wordpress to Jekyll

Intro For the last 5 years this blog was running on a Vultr VPS and on Wordpress. At that point in time, I just starting blogging and it was easier for me to run a WP site rather using other availa...

Building Yocto images with the new Apple M1

Intro Hello fellow Yocto engineers 🙂 I guess, you already know that this new Apple M1 SoC has shaken the IT world. Well, this is not another post for praising Apple for its new SoC. There was alr...

Nanopi-R4S benchmarks with networking optimizations

Intro In the last post, I’ve done a benchmark on the Nanopi-R2S and Nanopi-R4S. After a comment from tkaiser here, I’ve verified that all IRQs are mapped to CPU0, which means that the default Frie...

Benchmarking the NanoPi R4S

Intro Note: I’ve wrote a complementary post on how to do some networking optimizations here. This week I’ve received the new NanoPi R4S from FriendlyElec for evaluation purposes. My original pla...

Hacking a Sonoff S20 and adding an ACS712 current sensor

Intro Warning! This post is only meant to document my work on how to hack the Sonoff S20. This device is connected directly to 110/220V and if you try to do this your own you risk your own life. D...

Using Elastic stack (ELK) on embedded [part 2]

Intro Note: This is a series of posts on using the ELK on embedded. Here you can find part1. In the previous post on the ELK on Embedded I’ve demonstrated the most simple example you can use. I’v...

Using Elastic stack (ELK) on embedded [part 1]

Intro [Update - 04.09.2020]: Added info how to use Yocto to build the official elastic beats Data collection and visualization are two very important things that when are used properly they are a...

A Yocto BSP layer for nanopi-neo3 and nanopi-r2s

Intro Having a tech blog comes with some perks and one of them is receiving samples of various SBCs. This time FriendlyElec sent me two very nice boards, the new nanopi-neo3 and the nanopi-r2s. Bo...

Using code from the internet as a professional

Intro One of the most popular and misunderstood beliefs in engineering and especially in programming is that professional engineers shouldn’t use code from the internet. At least I’ve heard and re...

Benchmarking the STM32MP1 IPC between the MCU and CPU (part 2)

Intro In this post series I’m benchmarking the IPC between the Cortex-A7 (CA7) and the Cortex-M4 (CM4) of the STM32MP1 SoC. In the previous post here, I’ve tested the default OpenAMP TTY driver. T...