Infrared is a type of electromagnetic wave with a wavelength longer than red light. Since it exceeds the range visible to the human eye, it cannot be seen by humans; however, sensors can detect it, with wavelengths generally between 760nm and 400nm. We can utilize this to create an infrared controller. Infrared remote controls are … Read more
Video Previously, I made a dual-axis servo gimbal with two servos, which can be adjusted remotely via a mobile phone. Now, I am adding two more functions to create a remote watering system. The voice synthesis chip allows it to speak. By sending text on a webpage, the voice synthesis chip receives the text and … Read more
| Indoor Test Flight | After the Storm, the Rainbow Appears To enable the BETAFPV 915 Nano to support PPM output from the FUTABA T14SG, an ESP32 development board was used. After coding twice with Mu Ge (Bilibili ID: Er Mu Shan Ren), it was finally ready for test flight. Although ELRS is high refresh, … Read more
This article comes from a fan submission Curious Yabin (WeChat: bin737257268) Many people love small animals (not just love small animals, but also want to eat them, just kidding), such as little puppies or kittens! Now I want to share a fun gadget! A ball-shaped machine similar to Sphero that can be used to tease … Read more
With the rapid development of Internet of Things (IoT) technology, the networking and intelligence of household appliances are gradually becoming popular in the industry. Traditional smart appliances use non-cellular technologies such as Bluetooth and WiFi for networking, which leads to complex configuration, low connection rates, and security issues. Biling Zhilian has created the “Household Appliance … Read more
MQTT is a messaging protocol developed by IBM. MQTT is a lightweight publish-subscribe messaging transport protocol designed for M2M and IoT connections. Mosquitto is an open-source message broker that implements the MQTT v3.1 protocol, providing a lightweight, publish/subscribe messaging model that makes short message communication between devices simple and easy to use. If you are … Read more
Embedded systems are widely used in today’s intelligent industry, but they often contain sensitive information and perform critical functions. These systems may involve sensitive information such as personal privacy, trade secrets, or national security. Once attacked, it can lead to serious consequences. The network security of embedded systems is aimed at preventing unauthorized access that … Read more
This article is contributed by float, introducing a remote-controlled car robot project based on the Raspberry Pi platform, supporting image transmission and remote control. The software part of the project is open source, and I recommend it to enthusiasts and Raspberry Pi lovers. The inspiration for the project comes from the main character Wall-E in … Read more
Universal Ham Radio Remote HTML5 interface, check out this cool project! Universal_HamRadio_Remote_HTML5 is an implementation of a Python server and HTML5 functions for obtaining a web-accessible interface for use in RX and TX with TRX. You can use the basic functions of the radio and some advanced features. Communication is done using your computer’s speakers … Read more
Use Windows to remotely turn on and off an LED with Arduino. It’s easy to get started and lets you know that you can create many other advanced projects using libraries. Want to practice your skills? Click “Read the original” to give it a try!