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DAOKI Motor Driver Module BTS7960B Double DC Stepper Motor Driver H-Bridge PWM Smart Car Driver Module for Arduino Current Limit with Dupont Cable: Amazon.com: Industrial & Scientific
1 Channel Relay Shield Module, 10PCS DC 5V Indicator Light LED Module for Arduino R3 MEGA 2560 1280 ARM PIC AVR STM32 Raspberry Pi MCU DSP Official Boards Shield (10PCS): Amazon.com: Industrial
Amazon.com: DFROBOT Gravity: Analog CO2 Gas Sensor : Industrial & Scientific
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Gravity: Analog TDS Sensor for Arduino | Total Dissolved Solids Meter | Water Quality Sensor Compatible with Arduino: Amazon.com: Industrial & Scientific
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DAOKI 5Pcs Speed Measuring Sensor LM393 Speed Measuring Module Tacho Sensor Slot Type IR Optocoupler for MCU RPI Arduino DIY Kit with Encoders: Amazon.com: Industrial & Scientific
99% High Accuracy Voice Speech Recognition Module V3.1 with UART GPIO TTL 3.5mm Microphone Voice Control Board 5V for Arduino: Amazon.com: Industrial & Scientific
Amazon.com: Arduino UNO REV3 [A000066] : Electronics
Amazon.com: HiLetgo 2pcs Si7021 GY-21 Industrial High Precision Humidity Sensor I2C IIC Interface for Arduino Low Power CMOS IC Module : Electronics
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Amazon.com: HiLetgo 3pcs Arduino Sensor Shield V5.0 Sensor Expansion Board for Arduino UNO R3 : Industrial & Scientific
HiLetgo Multi-Function Shield ProtoShield Multi-functional Expansion Board Sensor Shield Module with Four Digital Display for Arduino: Amazon.com: Industrial & Scientific
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Amazon.com: HiLetgo 5pcs IRF520 MOSFET Driver Module MOSFET Button Drive for Arduino MCU ARM Raspberry PI : Industrial & Scientific
AC 80-260V 100A 22000W Digital Voltage Current Power Meter Module 110V 220V Volt Amp Tester Detector Monitor TTLCoil for Arduino: Amazon.com: Industrial & Scientific