int sensorPin = 2; volatile int pulseCount = 0; void setup() pinMode(sensorPin, INPUT_PULLUP); attachInterrupt(digitalPinToInterrupt(sensorPin), countPulse, FALLING); Serial.begin(9600);
| Parameter | Value | |-----------|-------| | | 3.5V – 5.5V DC (typical 5V) | | Output Type | Digital (TTL logic) | | Output Logic | Active Low (output LOW when magnetic field detected) or Active High (configurable via onboard jumper) | | Sensitivity Adjustment | Yes – 10-turn potentiometer | | Comparator IC | LM393 (dual differential comparator) | | Hall Sensor | 49E (linear analog output) | | Detection Range | Up to ~15mm (depending on magnet strength) | | Response Time | < 2µs | | Operating Temperature | -40°C to +85°C | | PCB Dimensions | Approx. 32mm x 20mm | | Mounting Hole Diameter | 3mm | Pinout Configuration Understanding the pinout is essential. The YL-105 module typically exposes four pins (or a 4-pin header): yl-105 datasheet
The "YL" prefix indicates the manufacturer or PCB designer family (often associated with generic Chinese sensor modules), but the underlying sensor follows the standard specifications. Key Features (From the YL-105 Datasheet) Based on the consolidated YL-105 datasheet, here are the core specifications: int sensorPin = 2; volatile int pulseCount =
void loop() // Calculate RPM every second // ... Key Features (From the YL-105 Datasheet) Based on
This article serves as an extensive resource. We will dissect the YL-105 datasheet, explain its electrical characteristics, pinout, operating principles, typical application circuits, and compare it with similar modules. By the end, you will have all the technical documentation needed to integrate the YL-105 into your project confidently. The YL-105 is not a bare Hall effect IC; it is a complete, ready-to-use Hall effect magnetic sensor module . It typically features a 49E (or equivalent) linear Hall sensor, a comparator circuit (often an LM393), a potentiometer for adjustable sensitivity, and onboard power regulation. The module outputs a clean digital signal (HIGH/LOW) based on the presence of a magnetic field, making it directly compatible with 3.3V and 5V microcontrollers like Arduino, Raspberry Pi, and ESP32.
Introduction In the world of embedded systems, robotics, and industrial automation, few components are as useful yet as underappreciated as the Hall effect sensor. Among the myriad of options available, the YL-105 stands out as a popular, reliable, and cost-effective solution for non-contact magnetic switching. Whether you are a hobbyist building a tachometer for a DIY fan, a student working on a security system, or an engineer prototyping a position sensor, finding the official YL-105 datasheet is your first critical step.