Arduino Heartbeat Detection Design: Custom PCB with ECG Display and Sound Alerts

Arduino Heartbeat Detection Design: Custom PCB with ECG Display and Sound Alerts

In the process of making this project, we tried to ensure that this project is the best guide for you to help you when you want to make your own ECG, so we hope this project contains the necessary documentation. After receiving the custom PCB from the PCB factory to improve the appearance of the … Read more

How to Migrate a Sensor? A Detailed Debugging Process for MIPI CMOS Cameras

How to Migrate a Sensor? A Detailed Debugging Process for MIPI CMOS Cameras

█ How to migrate a new sensor? First, confirm whether the hardware interfaces of the motherboard and the module are consistent. Based on specific resolution, frame rate, and other requirements, obtain the corresponding register configuration from the module manufacturer, and configure the sensor driver and DTS according to the platform requirements. After completing the corresponding … Read more

When LEGO Meets Arduino: Building a PM2.5 Detector with LEGO

When LEGO Meets Arduino: Building a PM2.5 Detector with LEGO

Last week’s article discussed how to control LEGO with Arduino through Bricktronics, building a bridge of communication between Arduino and LEGO. Through this communication mechanism, we can integrate Arduino’s rich peripheral detectors into our application system, giving wings to our creativity. When writing last week’s article, it was during a haze period, but the “unruly … Read more

Raspberry Pi + MCC 118 for Data Acquisition

Raspberry Pi + MCC 118 for Data Acquisition

Raspberry Pi + MCC 118 for Data Acquisition Recently, I got a chance to try out the MCC 118 DAQ expansion board from the Raspberry Pi lab. This is my first time encountering a professional DAQ card, and I started exploring with curiosity about data acquisition. First, I learned that this board can support 8 … Read more

Interfacing Fingerprint Sensors with Arduino (Includes Code)

Interfacing Fingerprint Sensors with Arduino (Includes Code)

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

Using the MQ-2 Smoke Sensor with Arduino

Using the MQ-2 Smoke Sensor with Arduino

Follow us on our public account,Star Mark Public Account to not miss exciting content MQ-2 Smoke Sensor The MQ series sensors are widely used low-cost sensors, commonly applied in gas leak monitoring devices in homes or factories. This article introduces the use of the MQ-2 smoke sensor from the MQ family, and other MQ sensors … Read more

Guide to Optical Fingerprint Recognition Module (FPM10A) Based on Arduino

Guide to Optical Fingerprint Recognition Module (FPM10A) Based on Arduino

This article mainly introduces how to use the fingerprint sensor module FPM10A on the Arduino development board. We will show you how to register a new fingerprint ID and how to find a matching fingerprint. Introduction to Fingerprint Sensor Module By using the fingerprint sensor module shown in the figure below, fingerprint recognition can be … Read more