Yl105 Datasheet Better Updated

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 YL105 (often designated as the YL-105) is a voltage regulator and breakout adapter specifically designed for the NRF24L01 2.4GHz wireless transceiver module. It is widely used in Arduino and hobbyist electronics to solve the common issue of power instability in wireless modules. Why You Need a "Better" YL105 Datasheet

Most users seek a "better" datasheet because the NRF24L01 module is notoriously sensitive to voltage fluctuations. While the transceiver itself operates at

, it often fails or resets when powered directly from an Arduino’s yl105 datasheet better

pin due to insufficient current or electrical noise. The YL105 acts as a bridge, allowing you to use a stable input to provide clean power to the module. Technical Specifications & Features

The YL105 is not just a socket; it contains a dedicated AMS1117-3.3 (or equivalent) Low Dropout (LDO) regulator. Input Voltage Range: DC (Recommended from Arduino/USB). Output Voltage: DC (Stable output for NRF24L01). Maximum Output Current: Typically up to (Far exceeding the NRF24L01’s peak consumption of Onboard Components: Filter Capacitors: Usually includes capacitors to smooth out high-frequency noise. Power LED: Red LED indicator to confirm power input. Interface: Input: 2-pin header for VCCcap V sub cap C cap C end-sub GNDcap G cap N cap D Output: 8-pin female header for the NRF24L01 module. Wiring Diagram & Pinout

The YL105 passes the SPI data lines directly through to the Arduino while regulating the power lines. NRF24L01 Function Arduino Connection (Typical) GND VCC Power Input 5V Pin (Regulated to 3.3V on-board) CE Chip Enable Digital Pin 9 CSN SPI Chip Select Digital Pin 10 SCK Digital Pin 13 MOSI SPI Data In Digital Pin 11 MISO SPI Data Out Digital Pin 12 IRQ Interrupt (Optional) Digital Pin 2 Performance Comparison: Why the YL105 is "Better"

When comparing the YL105 adapter to a direct connection, the advantages are clear: Current Overhead: Standard Arduino pins often provide only . The YL105 leverages the rail to provide up to

, ensuring the module doesn't "brown out" during high-power transmission bursts.

Noise Suppression: Wireless modules are sensitive to EMI. The onboard bypass capacitors on the YL105 serve as a "better" solution than manual wiring with loose electrolytic capacitors.

Mechanical Stability: The 8-pin socket prevents loose jumper wires, which are a primary cause of "Module Not Found" errors in code. Common Troubleshooting

Check the LED: If the red Power LED is not lit, verify that your input voltage is at least

. The LDO regulator requires a "dropout" margin to function. is a dedicated adapter board designed to simplify

Voltage Logic: Note that while the YL105 powers the module at

, the NRF24L01 data pins (CE, CSN, etc.) are 5V tolerant, meaning they can be connected directly to an Arduino Uno's logic pins without damage.

Range Issues: If you still experience poor range even with the YL105, ensure your antennas are not obstructed and that you are using a High PSRR Regulator setup if the environment is electrically noisy.

Адаптер YL-105 для модуля радио NRF24L01 (8-pin)

The Science: How It Actually Works

The sensing pad doesn't "detect" water like a camera sees it. It relies on conductivity.

The grid pattern consists of interlaced traces that are not connected. When dry, the resistance between them is near-infinite (open circuit). When raindrops bridge the gap, the water acts as a conductor, lowering the resistance significantly.

The control board acts as a Voltage Divider. As resistance drops on the pad, the voltage at the AO pin changes.

Dry: High Voltage (near VCC).
Wet: Low Voltage (closer to GND).

YL-105 Technical Specifications (The Better Datasheet)

Here are the specs you actually need for your design calculations:

Key Note on Voltage: While many YL-105 boards accept 5V on VCC, the data pins (TX/RX) are often 3.3V logic. If you are using a 5V Arduino (Uno/Nano), it is safest to use a logic level converter or a voltage divider on the RX pin of the module to prevent damage.

What is the YL-105?

The YL-105 is a wireless serial communication module designed for short-to-medium range data transmission. It typically operates on the 433 MHz frequency band (though variations exist, always check the crystal oscillator on the board).

It is designed to be a "cable replacement." This means that whatever data you send into the module via Serial TX/RX pins comes out of the other module's Serial pins. This makes it incredibly easy to use because it requires no complex wireless protocols—you just treat it like a direct serial connection.

Common Applications:

Wireless sensor networks (temperature, humidity).
Home automation (controlling lights/relays).
Remote control for robots or RC cars.
Simple point-to-point data logging.

Part 6: Common Pitfalls (What the Datasheet Doesn't Explicitly Say)

The YL105 datasheet is good, but it misses three practical details. Knowing these makes your usage better than 90% of other engineers.

Step 2: Identify the IR Phototransistor & LED

Most YL-105 modules use generic 5mm IR components. Look for markings (e.g., "PT334-6C" or "5mm IR"). A better datasheet comes from a known equivalent part:

Everlight PT334-6C (phototransistor) – Provides spectral sensitivity (940nm peak), collector current vs. irradiance, and dark current.
Everlight IR333-A (IR LED) – Provides radiant intensity (mW/sr), forward voltage (1.2–1.5V), and absolute maximum ratings (100mA continuous).

Without these, you cannot guarantee detection range or reliability.

4. How to Build a "Better Datasheet"

Since no official manufacturer produces a full YL-105 datasheet, you must consult the individual component datasheets.

4. Deciphering the Relay's AC vs. DC Ratings

The headline "10A 250VAC / 10A 30VDC" is plastered on every datasheet. But better usage requires understanding the derating curve—which is almost never provided. For an inductive load (motor, solenoid, transformer), the inrush current can be 5-10x the steady-state current.

An advanced datasheet would include:

Switching capacity vs. number of operations graph.
Maximum switching frequency (typically <20 operations/minute for rated load).
Contact material (AgCdO or AgSnO2) to predict welding risk under capacitive loads.

Without this, a user might confidently switch a 6A fridge compressor, only to find the relay contacts welded shut after a month. The better approach is to apply a safety factor of 0.4x the AC rating for inductive loads—a rule of thumb that no cheap datasheet will print.