This is a popular breakout board used with Arduino to provide a stable 3.3V power supply to the nRF24L01+ wireless transceiver . 5V DC (connects to Arduino 5V pin).
: Lower internal resistance minimizes conduction losses. Your system wastes less power as heat during high-current operations.
├── Is it for water quality measurement? │ ├── YES → Choose SRWQ100-YL-105 chlorine sensor │ │ ├── Need 4–20mA + RS485? → Check L-com variant │ │ └── Need low-cost alternative? → First Sensor FST100-YL-105 │ │ │ └── NO → Continue to next question. │ ├── Is it for home security/motion detection? │ ├── YES → Choose YL-105 PIR alarm system │ │ ├── Battery-powered flexibility → AC/DC version │ │ └── Max coverage needed → 8-meter detection range │ │ │ └── NO → Continue to next question. │ └── Is it for cable management / wire protection? ├── YES → Choose Alpha Wire F221* YL105 tubing │ ├── Need 2:1 shrink ratio → F2211/2 or F221V1IN │ └── Need tighter 2.5:1 ratio → F3003/4 series │ └── NO → Re-evaluate search terms (YL-105 may not match your need).
Integrated 1.2-A synchronous boost converter with I2C interface for brightness control. Potential Match 3: LDO Voltage Regulator (NCP105) If used for power regulation, it may refer to the , a 150 mA Low Dropout (LDO) regulator. Input Voltage: 1.7V to 5.5V.
A standard Arduino Uno onboard 3.3V regulator is meant for low-power sensors and often drops below stable margins during RF transmission bursts. This power sag causes the radio to reset mid-packet, showing up as persistent 0x00 or 0xFF SPI register read errors in debugging consoles. The YL-105 completely offloads this burden by drawing from the much stronger 5V power rail and stepping it down locally. 2. Lack of High-Frequency Decoupling Another NRF24 problem - works on one Uno but not others
The YL-105 allows you to plug the radio module into the 8-pin female header, while the male pins interface directly with your Arduino. This eliminates wiring errors, as the 5V power, ground, and SPI communication pins are correctly routed. 3. YL-105 Schematic and Pinout
This will help me provide a more accurate and relevant response.
Depending on your application, you are likely looking for one of the following components often associated with similar alphanumeric codes: