ALL

The novel Coronavirus is still existing in the world and we need to make sure the social distance be kept in public areas such as in hospitals or banks. This device will warn people who do not keep enough distances to others.

today I will use the cutebot car to teach you how to make a combatting robot.

Motorcycle-MakeCode is mainly used in motorcycle boards. Customize your motorcycle by microbit makecode. You can get kinds of makecode at ELECFREAKS.

Control your Lego Power Functions motors using your infrared LED and you can use it to complete your automatic train.ELECFREAKS provide their best quality.

There is a wonderful connection between voltage current resistance, they are all related to the movement of charges. You can get more detailed information from ELECFREAKS.

WS2812b is the kind of LED bead that I like most. It does not like common LED that needs IO control to every LED bead, nor like RGB LED that needs three pins to realize a colorful display. The biggest characteristic of WS2812b is that it can realize cascade connections. With an IO port only, you can control the color of all LED beads. Today, I am going to talk about the reason why WS2812b has this amazing function.  

Using Arduino to simulate a computer keyboard we can freely set the key time and key value, ELECFREAKS can provide quality Arduino keyboard, click to learn more

Hc sr04 ultrasonic distance sensor can be used to measure the distance by detecting ultrasonic rays. Get hc sr04 ultrasonic distance sensor at ELECFREAKS.

If you want to make and have a cool laser virtual keyboard at low cost, ELECFREAKS' "Open Source Laser Projection Keyboard" may give you a lot of help, click now to learn more