In my DIY projects, I frequently utilize lithium batteries and TP4054 chips to charge them. Charging current for a battery should not exceed 1 °C (capacity multiplied by one hour). At this rate, the battery will charge to full capacity in precisely one hour.
I'm not a huge fan of Facebook and Instagram, to say the least. When they first started, they were a great way to bring social interactions online, but now it feels like they've become a feeding ground for marketers who are just trying to make a profit. It's really frustrating because any content you post on these networks is basically lost. People outside of the social networks can't see it, and even inside the networks it's hard to get any visibility because of the algorithms they use. I've experimented with this a few times and I've found that usually only about 20-30 people, usually my friends, will see a photo on Instagram or a post on Facebook. And search engines don't even index the content. If you want more visibility, you really have to work for it. And on top of all that, these social networks don't have any problem making money off of ads shown with your content. On the other hand, I have a blog post from 2013 that still gets readers to this day. It's just a little frustrating, you know?
Recently, I have had the opportunity to construct a quadcopter drone using the most economical components available on the market. After careful consideration and research, I was able to assemble a set of components for a total cost of 57.01€, excluding the price of the frame and battery. It is worth noting that this price point is significantly lower than the current market value for similar components, making it an excellent option for those on a budget.
Recently I needed to deploy a Django application to Docker Swarm and I wanted to used built-in feature to store secrets. Setting the secrets is pretty easy just following the docker documentation:
Recently I was exploring the differences between IBUS and SBUS protocols used in remote controls. The IBUS protocol appears to be a very simple half-duplex UART operating on speed 115200 baud. Packets of a fixed size, simple checksum calculation… Wait a second. What if we take the dirt-cheap ESP01 module, program it as the receiver and operate it with the smartphone? In just half an hour the minimal prototype was built.
People asking me if they can purchase URU Card [/tag/uru-card/] device or if I am going to start a Kickstarter campaign for it. Well, I have started this project mostly as a hobby to learn new things and build something for my personal use. I am not a salesman and can not predict amounts can be sold on the market. Is it ten pieces or ten thousand? I simply don't know.
