It’s not the volts that kill but the amps
I have a 24v solar panel installation that produces max 23 amps at noon when the sun is shining at its full intensity. Out of curiosity, I wanted to check how much current was going…
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The Ultimate Mikrotik Bandwidth Display Solution
Why You Need It In today’s digital age, managing internet usage efficiently is crucial, especially for home offices, small businesses, or high-traffic environments. A desktop bandwidth display connected to your Mikrotik router gives you a…
Cooling Down Skull Canyon NUC
I have had an Intel Skull Canyon NUC for a long time. It has a tendency to overheat. Sometimes it overheats so much that it restarts or thermally shuts down. I had a plan for…
Connecting a CNC over WIFI using ESP3D
It's great when things like 3d printers and CNC machines can be controlled by conventional software like Lightburn or EstlCam over wifi. From my experience, I don't have to run every time from my pc…
Mikrotik Router Brute Force Prevention Script
After I have installed a mikrotik router at my home, and login to my router, the router log is messed up with failed login atempts from several ip address from the world. So, I have…
Arduino Solar Charge Controller – 2
As the battery type is lead-acid battery, the technology is older and a lot of information are available in the internet about the battery. The battery charging curve is like as following: There are three…
Arduino Solar Charge Controller – 1
I was sent to my home at 20th march, 2020 by my office due to the COVID-19 lock down. At my hometown, there were not all of the resources available like Dhaka city. Due to…
Tampermonkey script to identify job posts from certain country in upwork – 2
I have updated the script a little more to remove the red text and show them a silver color that perceives like a disabled state. Also the job posts that have less than 5 bids…
Dropzone.js – 4 [image preview: onclick image, open in new tab]
We often want to download/preview to make it sure what we have uploaded. A small thumbnail preview sometimes not enough. So, here is a small javascript. That will open the image in new tab. $(…
Dropzone.js – 4 [The preview thumbnail image is not thumbnail size]
The following image says it all : The images in the thumbnail are not in their perfect size. To solve this, we have to add some CSS. A css tag like following in the <head>…