Yl105 Datasheet Hot! Jun 2026

However, note that many low-cost YL105 modules do maintain true isolation if the jumper JD-VCC is shorted to VCC. For proper isolation:

The analog response is smooth and repeatable (±2% variance between cycles). The digital trigger has about 2-3 mm of hysteresis due to the LM393's internal positive feedback (which is good—it prevents chattering).

features on-board SMD decoupling filtering capacitors right across the output power terminals. These capacitors filter out high-frequency ripple and noise from the power supply lines, preventing communication dropouts and intermittent hardware crashes. Basic Arduino Wiring Example To set up a reliable wireless communication node, wire the YL-105 adapter Go to product viewer dialog for this item. yl105 datasheet

: Constructed from irradiated Polyolefin (PO) , providing excellent physical strength and longitudinal shrinkage of only

Connect to Arduino Digital Pin 13 (Hardware SPI Clock). However, note that many low-cost YL105 modules do

If you need a , look elsewhere (e.g., TI DRV5055). But for 95% of Arduino projects, the YL-105 is a workhorse that punches above its weight.

Optional, active-low notification pin from the radio to host MCU. 🔬 Circuit Architecture & Component Breakdown : Constructed from irradiated Polyolefin (PO) , providing

Typically 5V DC (often from an Arduino 5V pin).

The 3.3V pin on an Arduino Uno or Nano typically outputs less than 50mA to 150mA. While a standard nRF24L01+ chip uses less than 15mA on average, it draws rapid, sharp current spikes when initializing an RF transmission. These spikes pull down the voltage rail, causing connection drops or MCU resets.

Operating RF microcontrollers requires clean, noise-free voltage translation. The YL-105 relies heavily on an to safely drop microcontroller system voltages down to the 3.3V logic level required by RF silicon. Specification / Value Input Supply Voltage ( VINcap V sub cap I cap N end-sub ) 4.8V to 12.0V DC 5.0V Recommended Regulated Output Voltage ( VOUTcap V sub cap O cap U cap T end-sub ) Factory adjusted Maximum Peak Output Current Peak handling of the AMS1117 core Continuous Operating Current Up to 600 mA Easily drives High-Power (PA+LNA) modules On-board Diagnostics Surface Mount red LED Illuminates upon stable VINcap V sub cap I cap N end-sub Physical Dimensions Ultra-compact breadboard-friendly footprint Understanding the Core Architecture

Many datasheets for YL-105 show: