OPPONIX

The DC 3V–5V 20mA Rain Water Level Sensor is a simple and compact water detection sensor designed to detect rainwater, water presence, and changes in water level. It works by detecting the conductivity of water across the exposed sensing tracks. The sensor is suitable for Arduino, ESP32, Raspberry Pi, and...

The RC522 RFID Reader/Writer Module is a compact 13.56 MHz contactless RFID/NFC-compatible reader module designed for reading and writing supported RFID cards and tags. It uses the MFRC522 RFID IC and communicates with microcontrollers such as Arduino, ESP32, Raspberry Pi, and other development boards. The module supports contactless communication and...

RP2040 Zero is a compact and versatile development board based on the Raspberry Pi RP2040 dual-core ARM Cortex-M0+ microcontroller. Its small form factor makes it ideal for embedded systems, robotics, IoT projects, automation, wearable devices, and other space-constrained applications. The board provides multiple GPIO pins, digital and analog interfaces, USB...

The RV2-6 Blue Ring Insulated Terminal Connector is designed to provide secure electrical connections between wires and screw or bolt terminals. Suitable for wires with a cross-sectional area of 1.5–2.5 mm² (16–14 AWG), each terminal features a closed ring for reliable fastening and blue insulation to help reduce the risk...

The SAFT LS33600 3.6V Lithium Thionyl Chloride Battery is a high-capacity, non-rechargeable lithium battery designed for long-lasting and reliable power in industrial and electronic applications. Featuring a nominal voltage of 3.6V and a D-size cylindrical design, this battery is suitable for equipment requiring dependable power and extended service life. The...

The Screw Shield V2 Terminal Expansion Board is a practical accessory designed to simplify wiring and improve connection reliability in Arduino-based projects. It provides secure screw terminals for connecting wires to the Arduino's digital I/O pins, analog inputs, and power connections, reducing the need for loose jumper wires and breadboards....

The SCT103 AC Current Sensor is a non-invasive split-core current transformer designed to measure alternating current (AC) without cutting or disconnecting the electrical wire. Its clamp-style design allows easy installation around a single conductor, providing an isolated output signal proportional to the measured current. With a measurement range of up...

Sensor Shield V5.0 – Sensor Expansion Board Description The Sensor Shield V5.0 is an Arduino expansion board designed to make it easier to connect sensors, servos, motors, LEDs, and other electronic modules to an Arduino-compatible development board. It provides convenient access to power, ground, and signal connections, reducing the need...

Item Name: Servo TesterSize: 46x32x17mmWeight: 8gColor: BlueInput: DC 4.2 to 6.0VOutput: ≤15mA (5.0)Output signal: 1.5ms±0.5msAdjustment Methods: Manual, Neutral, Automatic. Features:Small size,low power consumption,high reliability and easy operation.It can easily detect and configure server virtual bit, jitter and middle position.Can connect two servos or ESC;MCU control,good stability,high accuracy.

The SFM-20B Piezo Electronic Buzzer is a compact audible alarm component designed to provide a loud warning tone for electronic devices, control panels, and monitoring systems. Operating over a 3–24V DC supply range, it produces a sound output of up to 95dB, making it suitable for audible alerts in industrial...

SG90 Mini Gear Micro Servo 9g Description:Item Name: SG90 Mini Analog ServoOperating Speed (4.8V no load): 0.12sec/60 degreesStall torque: 1.2kg / 42.3oz(4.8V);1.6 kg / 56.4oz (6.0V)operating voltage: 3.0-7.2VTemperature range: -30℃~60℃Dead band width: 7usItem size: 3.2 x 3 x 1.2cmItem weight: about 9gConnector wire length: 24.5cm Features:High quality and high cost...

The SG92R Micro Servo Motor is a compact and lightweight servo designed for precise position control in robotics, Arduino projects, RC models, automation, and DIY electronics. Its small size and easy-to-use control interface make it suitable for applications requiring controlled angular movement. The SG92R can be controlled directly using a...