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5Pcs Geekcreit ATmega328P Nano V3 Controller Board Improved Version Module Development BoardPrice: 577.0

3Pcs RC Resistance Surge Absorption Circuit Relay Contact Protection Circuit ElectromagneticPrice: 397.0

MAX7219 Dot Matrix Module 4-in-1 LED Display ModulePrice: 324.0

DC-DC 3V-15V to 12V Fixed Output Automatic Buck Boost Step Up Step Down Power Supply Module ForPrice: 336.0

DHT22 Digital Temperature & Humidity Sensor Module with Cable ASAIR (IoT, Brand New)Price: 230.0

Robotdyn Voltage Regulator Module LDO 5V 800mA OutputPrice: 355.0

RC Resistance Surge Absorption Circuit Relay Contact Protection Circuit ElectromagneticPrice: 378.0

3pcs DC-DC 3V-15V to 12V Fixed Output Automatic Buck Boost Step Up Step Down Power Supply ModulePrice: 377.0

2Pcs Geekcreit ATmega328P Nano V3 Controller Board Improved Version Module Development BoardPrice: 548.0

R3 DIP Board with cable (Arduino Generic) (IoT, Brand New)Price: 242.0

3pcs MQ-2 Smoke Gas LPG Butane GasSensor Module Tester Geekcreit for Arduino - products that work wiPrice: 387.0

5Pcs 125KHz EM4100 RFID Card Reader Module RDM630 UARTPrice: 645.0

5V/7-28V Power Supply 8-way bluetooth Relay Module IoT Smart Home Mobile Phone APP Remote Control SwPrice: 650.0

3pcs ATmega328P Nano V3 Controller Board Improved Version Development ModulePrice: 687.0

Designing for Dollars : PIC12CXXX 8-PIN Microcontroller Design Challenge Applications HandbookPrice: 80.0

10Pcs Geekcreit ATmega328P Nano V3 Controller Board Improved Version Module Development BoardPrice: 1266.0

3pcs GY-8511 ML8511 UVB Rays Sensor Breakout Test Module UV Tester Analog Voltage Output ModulePrice: 592.0

5Pcs Electronics Module Parts Trigger PMOS Switch Module FET MOS 3V 5V 12V 24V 36V for Motor LED LigPrice: 373.0

APDS-9960 DIY 3.3V Mall RGB Gesture Sensor I2C Detectoin Proximity Sensing Color UV Filter DetectionPrice: 422.0

R3 SMD Board Improved Version CH340 Chip with cable (IoT, Brand New)Price: 180.0

5pcs ATmega328P Nano V3 Controller Board Improved Version Development ModulePrice: 858.0

GY-8511 ML8511 UVB Rays Sensor Breakout Test Module UV Tester Analog Voltage Output ModulePrice: 443.0

5pcs GY-8511 ML8511 UVB Rays Sensor Breakout Test Module UV Tester Analog Voltage Output ModulePrice: 731.0

5Pcs RC Resistance Surge Absorption Circuit Relay Contact Protection Circuit ElectromagneticPrice: 459.0

0.96 Inch I2C IIC Blue OLED LCD Module 4pin (with VCC GND) SSD1306 Chip (IoT, Brand New)Price: 128.0

Industrial Control Board Communication Device Supports WiFi / Bluetooth Built-In Multiple Protect...Price: 768.56

Yahboom 16 in 1 Building:bit Super Kit Programmable Building Block Kit Compatible with BBC Micro:...Price: 2315.09

Yahboom 16 in 1 Building:bit Super Kit Programmable Building Block Kit Compatible with BBC Micro:...Price: 1889.48

10pcs CJMCU-1232 ADS1232 Analog-to-Digital Converter Board ADS1232IPWR Ultra Low NoisePrice: 1461.0

13.56Mhz MFRC522 RC522 RFID + S50 Card + Keychain (IoT, Brand New)Price: 100.0