Wireless Elderly SOS Emergency Call Button with Vibration, Portable Personal Alarm for Senior Care, Remote Notification, Help

6Pcs/Lot XH-M131 DC 12V 10A Photoresistor Relay Module, Light Control Switch Photoresistor Relay Module Detection Sensor+Cable

5/1pcs HLK-LD2410C 24G mmWav Millimeter Wave 5M Human Presence Status Radar Sensor Motion Detection Modul High Sensitivity

8PCS KY-040 360 Degree Rotary Encoder Module with Knob Cap 15×16.5mm 5V Brick Sensor Switch Development Board Module for Arduino

1 - 10PCS Raspberry Pi RP2040 Zero Microcontroller PICO Development Board RP2040 Dual-core Cortex M0+ Processor 2MB Flash

Endstop Switch For Arduino End Stop Limit Switch+ Cable High Quality Mechanical Endstop For 3D Printer Parts RAMPS 1.4

1-10PCS Raspberry Pi RP2040-Zero Microcontroller PICO Development Board RP2040 Dual-core Cortex M0+ Processor 2MB Flash

CNC Kit for Arduino Mega 2560 R3 + RAMPS 1.4 Controller + LCD 12864 + 6 Limit Switch Endstop + 5 A4988 Stepper Driver

450W 20A H Bridge DC Motor Speed Controller Driver Module DC 12-36V PWM Level Motor Control Switch Forward Reverse For Arduino

Slide Switch Assorted Kit, Mini Micro PCB Panel Slide Switch 2Pin 3Pin 4Pin ON/Off ON/Off/ON Switch Arduino Breadboard

DC 12V 24V ESP32 Expansion Board Digital Analog DAC ADC IO Wifi Relay Switch ES32C14 Module for Arduino PLC Smart Home IOT Diy

Ultrasonic Ranging Sensor IP67 Waterproof PWM UART RS485 3-450cm for Measure the Water Level for arduino Raspberry Pi

PBS-33B 2Pin Mini Switch 12mm 1A Waterproof Switch PBS33b 12V Momentary Push Button Switch Reset Non-locking Switch For arduino

SGP41 SGP30 SGP40 Measurement Air Gas Sensor I2C Multi-pixel TVOC/eCO2 Formaldehyde Carbon Dioxide Detector Tester For Arduino

XKC-DS1603 10-36v Non-contact Ultrasonic Liquid Water Level Sensor for Arduino PLC, UART/RS485/Voltage Analog/Switching Output

diymore Microwave Radar Sensor Module Delay Time Sensing Distance Switch Controller DC 9V 12V 24V 10GHz with Wires for Arduino

9V 3A Power Supply Adapter Charger for Schwinn Exercise Bike or Arduino UNO R3 Crosley Cruiser CR8005A Elliptical Hybrid Trainer

PWM Electronic Switch Robotic Arm Air Pump Valve UNO Controller Vacuum Suction Cup for Arduino Robot DIY Kit Programmable Robot

KC868-A32 ESP32 Smart Home Automation Module Controller Wifi Switch MQTT TCP Web HTTP ESPhome Tasmota Arduino IDE Development

1PCS Waterproof Ultrasonic Module JSN-SR04T / AJ-SR04M Water Proof Integrated Distance Measuring Transducer Sensor for Arduino

TZT PM2.5 Air Particle/Dust Sensor Laser Inside Digital Output Module Air Purifier G5 PMS5003 High Precision For Arduino

PM2.5 Air Particle/Dust Sensor Laser Inside Digital Output Module Air Purifier G5 PMS5003 High Precision For Arduino

TZT PM2.5 Air Particle/Dust Sensor Laser Inside Digital Output Module Air Purifier G5 PMS5003 High Precision For Arduino

0.3/1/3/6/10/20kg Load Air Pump 1/2/4 Suction Cup For Arduino Robot DIY Kit PWM Control Cable Robotic Arm Programmable Robot Kit

AS608 Fingerprint Reader Sensor Module Optical Fingerprint Fingerprint Module For Arduino Locks Serial Communication Interface

Ultrasonic ModuleDJLK-003B2 Distance Measuring Transducer Sensor For Arduino Ultrasonic Wave Detector Ranging Module

PM2.5 Air Particle/Dust Sensor Laser Inside Digital Output Module Air Purifier G5 PMS5003 High Precision For Arduino

10pcs 5V 6V 9V 12V 24V Flip-Flop Latch Relay Module Bistable Self-locking Switch Board for Arduino pump door lock dc motor

TTP223B Digital Touch Capacitive Sensor Switch Module DIY for Arduino Raspberry Pi

KC868-A16 ESP32 Development Board ESPhome Arduino Tasmota WiFi/Ethernet MQTT Digital Input for Self Reset Wall Switch Contact

TZT Computer Remote Switch Wifi Smart PC Start Starting Up Card Startup Card Work With Sinilink Smart Home For Arduino

5pcs 868Mhz 4CH RF Receiving and Transmitting Integrated Wireless Remote Control Switch For Arduino Uno Module Smart Home DIY

ESP32 Development Board Bluetooth/WiFi Relay Module IR RF 433M Controller Temperature Buzzer Code For Arduino DIY Dimmer Switch

Robot Arm Air Pump Valve PWM Electronic Switch Controller Vacuum Suction Cup With Arduino Servo Control Panel Manipulator Kit

KUONGSHUN STEM Complete Starter Kit For Arduino UNO r3 Starter Kit Electronics Projects Support Programming

ESP32 S3 LVGL1.54inch AMOLED 1000 Brightness 466*466 Press Knob Switch UART Display 1.28 inch IPS LCD Module for Arduino IDF