Other

“In this project I will show you how I combined an Arduino Pro Mini with a couple of complementary components in order to create a voice recorder which could also be abused as a spy bug. It has a run …

“Growing plants is fun and watering and caring for them is not really a hassle. Microcontroller applications to monitor their health are all over the internet and the inspiration for their design comes from plant’s static nature and the …

“The problem. I develop a sketch near PC and I use usb and serial to “debug” in this case I create the lib for DHT12, I deliver a version on github of the library. But arrive an issue: “when temperature …

“Li-Ion batteries (18650 cells) are very widely used in all the electronics gadgets that we use today like mobile phones, laptop, powerbanks, etc. These batteries provide good backup and are a reliable source of power, therefore are also very convenient …

“This project is a progress of my previous prototype made with Arduino Nano. This time I wanted it to be an IoT device with a proper case, a battery and a decent look. That’s why I replaced the OLED …

“In this instructable, I would like to explain how to build a powerful smart Bluetooth speaker in a very simple way. The radios made a revolution in the 20th century every NEWS including war alerts were sent through the radio …

“Everyone with pet fish, either in a pond or an aquarium, has had the issue of not being able to feed them when on holiday. To solve this, I decided to make an automatic fish feeder. Since my fish are …

“The monitor is powered with a 1000mAh rechargeable lithium battery and can be left running for several weeks before it needs recharging via its own internal USB/5v lithium charger. It incorporates an internal digital temperature sensor but an external …

“There isn’t a single audiophile or a gamer who doesn’t feel the necessity of wireless headphones, speakers etc. or simply, of wireless audio transmission. I also dislike the hassle my wired headphones present while trying to watch from …

“Do you have a pen stand that just sits there and does nothing? Can we make it play a game/flash LEDs every time you use it? Let’s find out! It’s a simple pen stand but with a …