MAKER：diyperspective/ Translated by: Fun Endless Scrolling text displays are widely used in various occasions such as billboards, train stations, bank counters, toys, and even wearable electronic badges… Have you considered DIYing this feature? It is quite simple for Arduino, as you can use the existing Arduino libraries to display letters from A-Z, which is quite … Read more
The Minor Snow solar term signifies the gradual onset of colder weather, and the season of falling snowflakes is approaching. During this time, designing a sensor capable of detecting snowflakes is particularly interesting and practical. This article will boldly envision three theoretical design schemes to help everyone better understand and apply this technology. The first … Read more
After the release of the Redmi K30 Supreme Memorial Edition, with a price of 1999, netizens exclaimed how great it is. Besides the true full screen, the biggest selling point of this device is that it uses Samsung’s 1080P 120Hz true full screen. Yesterday, Samsung Display posted on Weibo to support the Redmi K30 Supreme … Read more
There was a survey that showed ordinary users unlock their screens 150 times a day, mostly just to check for new messages. The screen-off display feature was designed to save users from the hassle of repeatedly unlocking their devices. So how has this feature developed? Why is the screen-off display feature rarely used in LCD … Read more
The OLED display is one of the most important output devices in the electronic world and is widely used in embedded devices, mobile phones, TVs, and other electronic products. The main difference between OLED and LCD displays is that OLED does not require a backlight, making it more energy-efficient. Today, we will learn how to … Read more
“The concept of the Metaverse has kept the heat of VR headset products high. With the continuous development of VR technology, the underlying display technologies, LCD and OLED, are also evolving. Currently, both are doing their utmost to compete in the Metaverse.” The mainstream position of LCD remains unshaken From the current application situation in … Read more
OLED and LCD screens: what are the differences?
This article introduces how to drive an ESP32 OLED display using .Net nanoFramework. We will start from the basics and gradually delve deeper, enabling you to understand and implement the entire process. Whether you are a beginner or an experienced developer, this article will be helpful to you. 1. Hardware Preparation 1.1 ESP32 Development Board … Read more
【Click on the upper「blue text」 to follow DF Maker Community and become a tech enthusiast together】 The community’s public account records shareable maker-related content every week, released every Friday～ The content is open source; contributions or recommendations of related content are welcome. Submission email:<span>[email protected]</span> Images & Videos Unicycle Balancing Vehicle A very interesting unicycle balancing … Read more
This project uses an Arduino UNO board connected to the MAX30102 module (pulse oximeter and heart rate monitoring module), along with an OLED display and a buzzer for BPM measurement. BPM stands for “beats per minute”, which is about 65-75 for a normal person at rest, and may drop below this during sports activities. SpO2 … Read more