The YL105 designation covers multiple components, primarily serving as a 5V-to-3.3V adapter board for nRF24L01+ modules, a PIR motion alarm, or a residual chlorine sensor, depending on the context. The widely used adapter board incorporates an AMS1117-3.3 regulator and features an 8-pin socket for seamless integration with 5V microcontrollers like Arduino. For technical specifications regarding the adapter board, visit Infrared Motion Sensor Alarm YL-105 Instruction Manual
is a dedicated adapter board designed to simplify the use of wireless modules with 5V microcontrollers like the Arduino Uno
. Its primary informative feature is its ability to provide a stable, high-current power supply that the standard 3.3V pins on many microcontrollers often cannot maintain. Makerlab PH Key Features & Specifications The datasheet highlights for the YL-105 include: Voltage Regulation : Features an on-board AMS1117-3.3
voltage regulator chip to convert 5V–12V input down to a stable 3.3V for the radio. Power Stability : Includes integrated bypass capacitors
(often 10µF) to filter noise and handle the sudden current spikes required during wireless transmission, which prevents module resets or communication failures. Socket Design : Provides a standardized 8-pin female header
for the nRF24L01 module, making it "plug-and-play" and resolving the difficulty of connecting to the module's non-breadboard-friendly pins. Current Capacity : Supports a maximum current of up to
, ensuring it can easily power even high-power "PA+LNA" (antenna) versions of the nRF24L01. Arduino Forum Technical Parameters Typical Value Input Voltage 4.8V – 12V DC (5V recommended) Output Voltage 3.3V DC (fixed) Current Consumption <6mA (idle/standby without module) Dimensions ~26mm x 19mm x 12mm Operating Temperature -40°C to +125°C Usage Notes
Arduino and NRF24L01 : 6 Steps (with Pictures) - Instructables
The YL-105 (also known as YL105) is a popular 5V to 3.3V VCC Adapter Board specifically designed for the nRF24L01+ wireless module. It solves the common issue where microcontrollers like the Arduino Uno (5V) cannot directly power the nRF24L01+ (3.3V) reliably due to current spikes. Technical Specifications
Input Voltage: 5.0V DC (compatible with 51 microcontroller and Arduino systems). Output Voltage: Stable 1.9V to 3.6V DC (typically 3.3V). Operating Current: Approximately 12.3 mA.
Voltage Regulator: Integrated AMS1117-3.3 chip for low-dropout regulation.
Compatibility: Supports the standard 8-pin nRF24L01+ and nRF24L01 PA LNA modules. Dimensions: 26 x 19 x 12 mm. Pinout and Connection Guide
The YL-105 features a dedicated 8-pin socket for the wireless module and a 6-pin/header interface for connection to your microcontroller. Pin Name Description Connection to Microcontroller (e.g., Arduino) VCC Power Input Connect to 5V pin (The board regulates it to 3.3V) GND Connect to GND CE Chip Enable Connect to any digital pin (e.g., D7) CSN Chip Select Connect to any digital pin (e.g., D8) SCK Connect to D13 (Standard SPI SCK) MOSI SPI Master Out Connect to D11 (Standard SPI MOSI) MISO SPI Master In Connect to D12 (Standard SPI MISO) IRQ Optional (Not always required for basic setups) Key Advantages
Power Stability: Includes onboard filter capacitors to minimize power supply noise, which is the primary cause of connection failures in 2.4GHz transceivers.
Convenience: Eliminates the need for external voltage dividers or dedicated 3.3V power supplies that may not provide enough current on certain Arduino clones.
Level Shifting: While the power is regulated, the SPI data lines (CE, CSN, SCK, MOSI) on the nRF24L01+ are generally 5V tolerant, making this board a bridge between 5V logic and 3.3V power.
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
using passive infrared (PIR) technology. It is typically used for home or outdoor security and often features remote control support. YL105 Drone brushless motor drone
marketed for beginners, known for high heat resistance during operation. Industrial Materials YL105 Aluminium Alloy
: A die-cast aluminium alloy (often related to JIS or Chinese standards like ADC10/YL112
) used for complex structural components due to its high strength and good casting performance. Alpha Wire FIT-221V-YL105 : A specific yellow heat-shrink tubing made of irradiated polyolefin. Shrink Ratio Operating Temp : -55°C to 135°C : Flame retardant and fluid resistant. Related Specifications (Often Confused) F221V1/2 YL105 Alpha Wire - DigiKey
The YL-105 (often designated as YL105) is primarily known as a specialized power adapter board designed for the nRF24L01 wireless module. While the name can also appear in industrial metal contexts (like the L105 aluminum alloy), its most common "datasheet" usage refers to this essential electronics component. The YL-105 Power Adapter: At a Glance
This board acts as a bridge between a standard 5V power supply and the sensitive 3.3V requirements of nRF24L01 wireless transceivers. yl105 datasheet better
Primary Function: Down-regulates 5V DC input to a stable 3.3V DC output.
Key Components: Features an on-board AMS1117-3.3 voltage regulator chip and a power-on LED indicator.
The "Problem" it Solves: Standard microcontrollers (like some 8051 or Arduino variants) often run on 5V, which can damage the nRF24L01 module. The YL-105 provides a simple, 8-pin plug-and-play socket to handle this conversion safely. Technical Specifications Input Voltage Output Voltage 1.9V ~ 3.6V DC (Standard 3.3V) Current Draw Compatibility 8-pin nRF24L01+ Wireless Modules Form Factor Compact breakout board with standard header pins Potential Alternate: L105 Aluminum Alloy
If your report is focused on material science rather than electronics, the L105 is a high-strength copper-based aluminum alloy (2014A).
Mechanical Properties: It offers a high tensile strength of approximately 400 MPa and a proof stress of 290 MPa.
Common Applications: Used extensively in aerospace and defense for high-strength components due to its excellent machinability.
Weakness: It has poor resistance to atmospheric corrosion and generally requires plating or anodizing. 5V-3.3V VCC Adapter Board for NRF24L01 Wireless Module
NRF24L01 Voltage Regulator Adapter: This is the most frequent use of the "YL-105" designation. It is used to provide a stable 3.3V power supply to the power-hungry NRF24L01 wireless module when connected to a 5V source like an Arduino.
Infrared Motion Sensor Alarm: A standalone security device designated as YL-105 that uses passive infrared (PIR) technology to detect movement and trigger an alarm.
Industrial/Material Parts: The code is also used by manufacturers like Alpha Wire for heat shrink tubing and L-com for water quality sensors used to measure residual chlorine. What Makes a "Better" Datasheet?
A "better" or more professional datasheet for these items should include:
Pinout Diagrams: Clear labeling of VCC, GND, and data pins to prevent short circuits.
Electrical Characteristics: Precise input voltage ranges (e.g., 4.8V to 12V for the regulator) and output stability metrics.
Mechanical Dimensions: Exact physical sizes for PCB mounting or enclosure design.
Regulatory Compliance: Standards like UL 224, CSA, or RoHS compliance for industrial applications.
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.
F2211IN YL105 Alpha Wire | Cables, Wires - DigiKey Australia
(often styled as YL105) typically refers to a specific breakout board adapter designed for the nRF24L01+ wireless transceiver module
. It acts as a voltage regulator and interface stabilizer to make these modules compatible with 5V systems like the Arduino Uno. 1. Key Technical Specifications
The YL-105 board simplifies power management for the nRF24L01, which is notorious for being sensitive to power fluctuations. Arduino Forum Input Voltage : 5V DC (typically from an Arduino 5V pin). Output Voltage : 1.9V to 3.6V DC (regulated by an onboard AMS1117-3.3 Operating Current : Approximately 12.3 mA during active RX mode. Compatibility : Designed for 8-pin nRF24L01+ modules. Protection
: Includes onboard bypass capacitors to filter power noise, which is a common cause of communication failure in RF projects. Arduino Forum 2. Pinout & Connection Guide When using the
, you connect your 5V power source to the adapter, and the adapter provides the safe 3.3V power to the nRF24L01 Instructables Typical Arduino Pin Description Power Input (5V is safe with this adapter) Instructables Instructables Chip Enable (can be any digital pin) Instructables SPI Chip Select (can be any digital pin) Instructables Instructables SPI Master Out Slave In Instructables SPI Master In Slave Out Instructables 3. Usage Best Practices Voltage Safety : While the nRF24L01 chip itself requires 3.3V, the breakout allows you to use the more common 5V rail safely What type of component is the YL105 (e
. Never connect 5V directly to the nRF24L01 pins without this adapter. Library Selection RF24 library on GitHub
is the standard for these modules and is highly recommended for stability. Troubleshooting
: if you see "00" or "FF" in your serial monitor, it usually indicates a wiring issue or a lack of power. The YL-105's onboard capacitors help prevent the common "reboot loop" caused by the nRF24L01's sudden power spikes. Arduino Forum 4. Alternative "YL105" Device
In industrial water monitoring, "YL105" may also refer to the FST100-YL105 , a digital Residual Chlorine Sensor
Arduino and NRF24L01 : 6 Steps (with Pictures) - Instructables
This will help me provide a more accurate and relevant response.
Finding a datasheet for the specific part YL105 can be difficult as it is often a generic or localized part number used in specific regions or by smaller manufacturers.
Depending on your application, you are likely looking for one of the following components often associated with similar alphanumeric codes:
Potential Match 1: Battery Protection IC (1-Cell Lithium-Ion)
The "105" series is a common designation for single-cell lithium-ion battery protection ICs. These are used to prevent overcharging, over-discharging, and over-current.
Key Specs: Usually detects overcharge at ~4.2V and over-discharge at ~2.5V.
Alternative Part: The S-821AA series or the LC05111CMT are common industry standards for this function. Potential Match 2: LED Driver IC (TPS61050/TPS61052)
If your "YL105" is a small SMD component in a lighting circuit, it might be a variation of the TPS61050, a high-power white LED driver. Application: Flashlight drivers or display backlighting.
Features: 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.
Common Use: Stable voltage supply for mobile phones or GPS devices. How to Confirm Your Part Since "YL" can be a manufacturer-specific prefix:
Check the Package: Is it a SOT-23 (3 or 5 pins), a DFN, or a larger SOIC package?
Circuit Location: Is it directly connected to a battery (Protection), an LED (Driver), or providing power to a microcontroller (LDO)?
Logo Search: Look for a specific manufacturer logo on the chip (e.g., a stylized "T" for Texas Instruments or "ON" for onsemi).
Could you describe the package type (number of pins) or the device this part came from to narrow down the exact datasheet? AI responses may include mistakes. Learn more S-821AA Series BATTERY PROTECTION IC FOR 1-CELL PACK
Comparative Analysis of the YL105 Datasheet: An In-Depth Review
In the realm of electronic components, datasheets serve as crucial documents that provide detailed specifications, characteristics, and application guidelines for various parts. Among these components, the YL105 has garnered significant attention, particularly in the context of comparisons with its counterparts or iterations. This essay aims to provide a comprehensive overview of the YL105 datasheet, focusing on its key features, and evaluating what makes it potentially "better" than other similar components.
Introduction to YL105
The YL105, often categorized under specific electronic component classifications (such as voltage regulators, transistors, or integrated circuits, depending on its actual function), is a part number that may refer to a variety of devices. For the purpose of this analysis, let's assume the YL105 is a type of voltage regulator or a semiconductor device commonly used in electronic circuits for voltage stabilization, signal amplification, or switching applications.
Key Features from the Datasheet
When evaluating the datasheet of the YL105, several key features are of particular interest:
Electrical Characteristics: This includes the maximum voltage ratings, current capabilities, power dissipation, and temperature ranges. For instance, if the YL105 has a higher current rating or lower dropout voltage compared to similar devices, it could be considered superior for applications requiring efficient voltage regulation.
Physical Dimensions and Packaging: 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.
Performance Curves: Graphs showing the performance of the device under various conditions (e.g., voltage regulation vs. temperature) can help designers predict how the YL105 will behave in their applications.
Reliability and Qualification: Information on MTBF (Mean Time Between Failures), qualification standards (e.g., AEC-Q100 for automotive), and RoHS compliance can indicate the reliability and suitability of the YL105 for specific markets.
Comparative Analysis
To assert that the YL105 datasheet presents a "better" component, we must compare it directly with datasheets of similar devices. Key comparison points may include:
Conclusion
The determination of whether the YL105 datasheet represents a "better" component hinges on specific application requirements and how well the YL105's features align with those needs. A detailed comparison with similar devices, focusing on performance, reliability, and design flexibility, can highlight the advantages of choosing the YL105. Designers and engineers must carefully evaluate datasheets, not just for current specifications, but also for long-term support, availability, and the manufacturer's reputation for delivering reliable components.
In conclusion, while the term "better" is subjective and context-dependent, a thorough analysis of the YL105 datasheet in comparison to others can justify its selection for a wide range of electronic applications.
// DO NOT DO THIS
void setup()
pinMode(2, OUTPUT);
digitalWrite(2, LOW);
delay(1); // Too short! Datasheet says 18ms minimum
pinMode(2, INPUT);
Here is a detail often missing from standard documentation: The YL-105 does not need to be powered 100% of the time.
If you leave the sensor powered on, electrolysis will eventually destroy the nickel coating on the sensing pad (water + electricity + metal = corrosion).
The Better Solution: Power the VCC pin via a microcontroller digital pin (if current is low enough) or a transistor.
This dramatically extends the life of your sensor from months to years.
Desolder the LM393 chip. Connect the sensor’s center pad directly to an analog pin (via a 1kΩ resistor for protection). The comparator’s hysteresis ruins precision.
Most users fail with the YL105 because they ignore the timing diagram. To make your YL105 perform better than a cheap library default, you must understand these values:
| Parameter | Symbol | Value | Your code must... | | :--- | :--- | :--- | :--- | | Start signal low time | Tbe | > 18 ms | Pull pin LOW for 20ms (not 1ms) | | Sensor response low | Trel | 80 µs | Wait for pin to go LOW | | Sensor response high | Treh | 80 µs | Wait for pin to go HIGH | | Bit "0" high time | Tbit_0 | 24-28 µs | Sample after 30 µs | | Bit "1" high time | Tbit_1 | 70-74 µs | Sample after 50 µs |
The "Better" Tip: The datasheet is better than online tutorials because it confirms you must disable interrupts during the 40-bit read. If you use delayMicroseconds() without disabling interrupts, you will get CRC errors. Use noInterrupts() and interrupts() in Arduino, or portDISABLE_INTERRUPTS() in ESP-IDF.
If you just want to know "Is it raining? Yes/No," use the DO pin.
The Better Datsheet Tip: Don't trust the potentiometer blindly. These small trim pots can be sensitive to vibration. Once you find your sweet spot, a dab of hot glue or nail polish over the screw can lock your threshold in place. This will help me provide a more accurate
| Parameter | Value | |-----------|-------| | Operating voltage | 3.3V – 5V DC | | Current consumption | <20mA | | Comparator IC | LM393 (open collector output) | | Sensing area | Copper traces (corrosion-prone) | | Adjustable threshold | Via 10kΩ potentiometer |