and NRF24L01 wireless modules. It provides a stable power supply and pinout for easier integration into DIY or professional systems. YL-105 Motion Sensor Alarm : A battery-powered anti-theft alarm
| Missing Parameter | Why You Need It | | :--- | :--- | | Capacitance Base Value | Air vs. Water capacitance (pF) to calculate dielectric constant. | | Temperature Coefficient | Output drifts ~2-5% per 10°C. Unknown in original sheet. | | AC Frequency | Most clones run at 1-10 MHz; frequency stability affects linearity. | | Rise Time | How fast does the sensor respond to wetting (99% FS)? (Actual: ~2 seconds). | | Adhesion Curve | Water clinging to copper vs. soil interface. | yl105 datasheet better
| Parameter | Value | Why it matters | | :--- | :--- | :--- | | Operating Voltage | 3.3V to 5.5V | Better compatibility (works with 3.3V ESP32 & 5V Arduino) | | Humidity Range | 20% to 90% RH | Standard room conditions | | Humidity Accuracy | ±5% RH | Comparable to DHT11 | | Temperature Range | 0°C to 50°C | Indoor/Greenhouse focused | | Temperature Accuracy | ±2°C | Adequate for HVAC monitoring | | Sampling Rate | 1 Hz (1 reading per second) | Better stability than cheap clones | | Signal Type | Single-bus digital | Uses only 1 GPIO pin | and NRF24L01 wireless modules
Datasheets are crucial documents provided by manufacturers that detail the specifications, characteristics, and sometimes application notes for electronic components. When comparing datasheets, especially for a component like the YL105 (which could refer to a specific electronic part, e.g., a connector, a semiconductor, etc.), consider the following aspects: The Cause: Water has a high surface tension