SERVO MOTOR
Automate smart home windows, protect garden installations, and monitor rainfall intensity using this complete Raindrops Detection Sensor Module.
Exposing delicate electronics or outdoor structures to sudden rain causes severe damage. However, this high-sensitivity Raindrops Detection Sensor Module provides an active hardware solution for weather awareness. It utilizes a resistive printed circuit grid that drops in resistance as water droplets connect the traces. Consequently, you can actuate automated window closers or trigger warning sirens immediately when rain starts falling.
Key Features:
Durable Anti-Oxidation Sensing Board: It features a large surface-area detection plate coated with nickel plating. Because of this protective surface layer, the board resists oxidation and guarantees long service life outdoors.
Dual Signal Output Functionality: The driver module provides both AO (analog output) and DO (digital output) pins. Therefore, you can analyze precise moisture levels or utilize immediate binary trigger signals.
Adjustable Threshold Sensitivity: It features an onboard rotary potentiometer connected to an LM393 comparator chip. Furthermore, this trimmer allows precise tuning of the digital switching trigger for light mist or heavy rain.
Separated Driver Board Architecture: The sensor grid connects to the control board via flexible jumper wires. Simply expose only the sensor plate to the elements while keeping sensitive microcontroller components safe and dry.
Why should you choose this raindrops detection
Animate robotic arms, control steering linkages, and actuate lightweight mechanisms using this standard SG90 9g Micro Servo Motor.
Controlling exact physical angles with standard DC motors requires complex external encoder feedback loops. However, this self-contained SG90 Micro Servo Motor provides positional control in a miniature package. It integrates a DC motor, reduction gearbox, potentiometer, and control circuit into one tiny housing. Consequently, sending standard pulse-width modulation (PWM) signals drives the output shaft directly to your target angle.
Key Features:
Ultra-Lightweight 9-Gram Construction: It features a compact plastic body weighing approximately nine grams. Because of this minimal weight, it is perfect for RC aircraft, small bipedal robots, and lightweight pan-tilt mounts.
180-Degree Precise Angular Range: The motor rotates up to 180 degrees (90 degrees in each direction). Therefore, you can achieve smooth proportional steering and exact positional alignment effortlessly.
Standard 3-Pin Color-Coded Cable: It features a flexible three-wire connector (Brown: Ground, Red: VCC, Orange: PWM Signal). Furthermore, these standardized color codes prevent wiring mistakes during circuit connection.
Complete Hardware Mounting Accessory Pack: The module includes multiple plastic horn arms and mounting screws. Simply press the appropriate arm onto the splined output shaft to drive custom mechanical levers.
Why should you choose this SG90 micro servo motor? Are you building camera pan-tilt platforms, designing robotic grippers, or teaching beginner electronics labs? Because of its low operating current, driving it directly via microcontroller PWM pins is straightforward. Moreover, standard servo software libraries make programming complex movements incredibly simple. Furthermore, it offers exceptional affordability and position reliability for makers, educators, and hobbyists alike. Therefore, it is the go-to actuator for compact robotics projects. Simply plug in the header pins to start controlling motion today.
Technical Specs:
Model: SG90 9g Micro Servo Motor.
Operating Voltage: 4.8V – 6.0V DC.
Stall Torque: ~1.8 kg-cm (at 4.8V).
Operating Speed: ~0.12 sec / 60 degrees (at 4.8V).
Rotation Angle Range: Approximately 180° total sweep.
Connector Wire Pinout: 3-Pin PWM (Brown = GND, Red = +5V VCC, Orange = PWM Signal Cable).
Weight: ~9 grams.
Included Accessories: Selection of Plastic Horn Arms & Mounting Screws.
























