The hardware setup shown below includes the Arduino Uno R4, a DHT11 sensor, and the built-in Wi-Fi for email alerts. The DHT11 is connected with VCC to 5V, GND to ground, and the data pin to Digital ...

This section defines the network credentials and server details required for sending the email. The ESP32-CAM connects to WiFi using the SSID and password. The host address, HTTPS port (443), and API ...

Hi, I'm Bill. I'm a software developer with a passion for making and electronics. I do a lot of things and here is where I document my learning in order to be able to inspire other people to make ...

Abstract: An innovative application of negative group delay (NGD) circuit embedded in a mobile platform for the real-time prediction of arbitrarily moving object position is developed in this article.

Hi, I'm Bill. I'm a software developer with a passion for making and electronics. I do a lot of things and here is where I document my learning in order to be able to inspire other people to make ...

Q. Could you explain how the AGGREGATE function works in Excel? A. AGGREGATE is possibly the most versatile function in Excel. Think of it as an advanced version of the SUBTOTAL function that offers ...

Q. Could you explain how the UNIQUE function works in Excel? A. Excel’s UNIQUE is a dynamic array function that can be an essential tool for data analysts and accountants. This function allows users ...

If you take a look at your laptop's keyboard, you'll notice that the top row keys have icons printed above, with "F" and a number, like F1, F2, and so on, below each one. These are known as function ...

If you want a good display and interface device for an embedded project, it’s hard to look past an old smartphone. After all, you’ve got an excellent quality screen and capacitive touch interface all ...

Our project uses the classic Bluetooth function. Some Android phones cannot adjust the volume. We asked for help from the idf-esp project and provided a modification patch. It can be used normally in ...