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20A 12V PWM Solar Cell Panel Charger Controller Lithium-ion Lead-acid Battery Solar ControllerPrice: 364.52

Microchip (RN-4020-PICTAIL) Daughter Board, RN4020 Bluetooth Low EnergyPrice: 3105.0

10A 12V PWM Solar Cell Panel Charger Controller Lithium-ion Lead-acid Battery Solar ControllerPrice: 341.84

STMicroelectronics (STM32F0DISCOVERY) Evaluation Kit, STM32F0 MCUPrice: 1365.0

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

Mega 2560 Pro ATmega 2560-16AU USB CH340G Smart Development BoardPrice: 780.28

A87 4 roads opto-isolation module high-low level expansion boardPrice: 96.76

SINOTIMER SPM005 AC Digital Display Voltage Current Power Electricity Multifunctional Monitoring ...Price: 507.23

Soil Moisture Sensor For Environmental Monitoring For Arduino Kit CompatiblePrice: 585.0

5V HCSR04 Ultrasonic Sensor 4pin (IoT, Brand New)Price: 93.0

12V PWM Solar Cell Panel Charger Controller Lithium-ion Lead-acid Battery Solar Controller, 10A, ...Price: 364.68

30A 12V PWM Solar Cell Panel Charger Controller Lithium-ion Lead-acid Battery Solar ControllerPrice: 379.94

MPPT 12V/24V Automatic Identification Solar Controller With USB Output, Model: 60APrice: 520.0

DHT22 Temperature And Humidity Sensor ModulePrice: 40.49

HC05 6pin Bluetooth Module(Master/Slave) with Button (IoT, Brand New)Price: 150.0

MPPT 12V/24V Automatic Identification Solar Controller With USB Output, Model: 50APrice: 508.0

Nxp (MPXH6400AC6T1) Pressure Sensor, Absolute, 12.1 mV/kPa, 20 kPa, 400 kPaPrice: 805.0

MPPT 12V/24V Automatic Identification Solar Controller With USB Output, Model: 30APrice: 480.0

MPPT 12V/24V Automatic Identification Solar Controller With USB Output, Model: 40APrice: 580.68

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

2WD Robot Car Chassis Kit singlePrice: 166.66

L9110S H-bridgePrice: 31.87

ESP32 Cyberpunk AI course boardPrice: 394.4

RF Solutions (ESP-12S) Wireless LAN Module, 2.484 GHz, UARTPrice: 575.0

MQ2 Smoke Gas LPG Butane hydrogen Sensor Module (IoT, Brand New)Price: 100.0

60A 12V PWM Solar Cell Panel Charger Controller Lithium-ion Lead-acid Battery Solar ControllerPrice: 470.39

Stepper Motor with ULN2003 Driver (DC 5V)Price: 46.29

R&D INSTRUMEMTS RD630 3 In 1 Electric Field Magnetic Field RF Detector Electromagnetic Radiation TPrice: 872.0

Waveshare 13.3inch 960×680 Pixels SPI Communication E-Ink Display, Spec: Module VersionPrice: 9591.86

HCSR501 PIR Motion Sensor Module Green (IoT, Brand New)Price: 43.0