Connects to microcontrollers via 6-pin male headers (VCC, GND, CE, CSN, SCK, MOSI, MISO). Dimensions: Approximately 26mm x 19mm. 2. Infrared Motion Sensor Alarm (YL-105)
| Condition | Digital Output (DO) | |-----------|---------------------| | No magnetic field (or very weak) | Logic HIGH (VCC) | | Strong magnetic field (south pole) | Logic LOW (0V) | yl-105 datasheet
Serial.println("YL-105 Receiver Ready..."); Connects to microcontrollers via 6-pin male headers (VCC,
: A dual-wall (adhesive-lined) polyolefin tubing with a 3:1 shrink ratio. 2. General Technical Specifications While the specific variant ( Infrared Motion Sensor Alarm (YL-105) | Condition |
| 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 |