Exploring Water Absorption with Innovative Teaching Tools: A Guide from Teacher Wang Dong 01 Author’s Profile Wang Dong, a master’s student, is a first-level science teacher at Shiqi Central Primary School in Zhongshan City, Guangdong Province. He won second place in the national primary and secondary school experimental teaching competition in 2015, first place in … Read more
What is the most important aspect of development board design? Each designer may have their own explanation. After you have sorted out the circuit and component selection, I believe the most important factors are size and interfaces, especially for microcontrollers. Let’s examine some representative development boards to see the pros and cons of their designs. … Read more
There are many fun things for makers, but be careful not to overspend… An Irregular Directory Pitfalls of 12v Electromagnetic RelayPitfalls of Raspberry Pi GPIOpyfirmata Once, I bought 20 pots of pothos, and after returning from a business trip, very few were left, but I had always been indifferent, wanting to make an automated watering … Read more
Click the “Mushroom Cloud Creation” above to follow us! Notice Mind+ has been updated! V1.6.2 is now live, taking your programming experience to the next level!The specific updates are as follows: Version V1.6.2 [Important Features] 1. The main control board and sensors can be selected simultaneously. 2. Supports user-customizable extension libraries. [New Features] 1. Added … Read more
[Click the “blue words” above to follow DF and become a tech aesthetician together!] Total words: 5123 words42 images Estimated reading time: 13 minutes 2019 has gone by in a flash. Thank you to our old friends for staying with the DF Maker Community, and thanks to new friends for your recognition. From 2014 to … Read more
Previously, we introduced a technique that automatically attacks a computer when a USB drive is inserted, similar to scenes in foreign movies. Here, we present a tutorial on using this tool. https://www.77388.cn/Plus/6991.html Arduino IDE official version is an open-source programming development tool. The latest version of Arduino IDE is developed based on Processing IDE, featuring … Read more
Creating and Expanding Our Phyphox Experiments with ESP32 Development Board Recently, I saw that the official Phyphox released the Phyphox-BLE extension library, which is posted on the Arduino.cc website: https://www.arduino.cc/reference/en/libraries/phyphox-ble/, and the address is https://github.com/Staacks/phyphox-arduino. The self-introduction says it is not very mature yet, but the few examples provided already show that it is quite … Read more
Our Raspberry Pi HiFi sound card, HiFi DAC v1.0, launched at the end of 2016, has been recognized by Raspberry Pi enthusiasts and music lovers for its excellent usability and cost-effectiveness over the past year. Recently, we have made improvements to this product based on updates to Raspberry Pi software and hardware, as well as … Read more
Back in 2015 at the CES exhibition, Intel announced its determination to enter the Internet of Things and wearable technology fields by launching a highly integrated module – Intel Curie. Although the Curie is only the size of a fingernail, it is very powerful, integrating a heterogeneous dual-core processor, a 6-axis attitude sensor (including an … Read more
The fingerprint sensor is a widely used sensing element. This project takes the R502/R503 capacitive fingerprint sensor as an example to demonstrate how to enroll and detect fingerprints using the Arduino development board. The project BOM list is as follows: Arduino development board 1, fingerprint sensor R503 1, Dupont wires 20, breadboard 1. Understanding Capacitive … Read more