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When used with an external 12 V or 5 V power supply (not from the Arduino’s own regulator), the YL‑105 + nRF24L01+PA+LNA combination can communicate over distances of up to 1.1 kilometres in open terrain.
#define YL105_PIN 2
– it’s cheap, easy to use, and gives both analog and digital outputs. No, for professional use – lacks calibration, corrosion protection, and official documentation. yl105 datasheet better
For advanced technical details, you can find the Alpha Wire YL105 Specification Sheet on DigiKey or the L-com SRWQ100-YL105 Sensor Data via Octopart.
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If you are building a battery-powered ESP8266 or ESP32 project, the YL105 is the better datasheet choice.
A better datasheet analysis reveals that the . The JD-VCC and VCC pins are often jumpered together on the board. If you power the module from the same 5V supply as your microcontroller, the optocoupler is rendered useless—you have a common ground. True isolation requires: When used with an external 12 V or
The datasheet provides information on the package type (e.g., TO-220, SMD) and size, which are crucial for PCB design and space-constrained applications. A smaller package with similar or better performance could make the YL105 more attractive.
That’s it. But for a implementation, you need these missing parameters: For advanced technical details, you can find the
