เลนส์แก้วแบบปรับโฟกัสได้ 20x90 มม. เลเซอร์จุดแดงขนาดเล็กพิเศษ 650 นาโนเมตร 5 มิลลิวัตต์ จุดกลม&จุดเล็ก โมดูลเลเซอร์ไดโอดระยะไกล

OLED 2.4" 2.42 Inch 128x64 LCD Display SSD1309 12864 4 Pin IIC I2C SPI Serial Interface

ESP32 Arduino LVGL WIFI&Bluetooth Development Board 2.8 " 240*320 Smart Display Screen 2.8inch LCD TFT Module With Touch WROOM

830Pcs/Box DIY Project Starter Kit For Arduino UNO R3 Kit Electronic DIY Kit Electronic Component Set With Tie-points Breadboard

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USB Cable Tester Type-C Type-B Micro Short Circuit Switch Test Board Data Cable Anomaly Detection For iOS Android Test Board

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1-10pcs Ultrasonic Module HC-SR04 Distance Measuring Transducer Sensor HC SR04 HCSR04 Ultrasonic Transducer

New 4 Channel Battery Capacity Tester Type-C LCD Display Battery Capacity Tester 18650 MAh Battery Internal Resistance Tester

Starter Kit for Arduino Uno R3 - Uno R3 Breadboard and holder Step Motor / Servo /1602 LCD / jumper Wire/ UNO R3

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