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the L293D Motor Control Shield simplifies motor control
and 64-Mbit SDRAM
Drive voltage: 3
or 8 wire stepper motors
DHT21 Temperature & Humidity Sensor Module AM2301 SD Card Module the L293D Motor Control ShieldDHT21 Temperature & Humidity Sensor Module AM2301 The DHT21 (AM2301) is an upgraded version of the popular DHT11, offering a wider temperature range, higher accuracy, and better stability. It uses a capacitive humidity sensor and a thermistor to measure ambient temperature and humidity, outputting calibrated digital data over a single wire interface. A must have for weather stations, HVAC systems, and environmental monitoring projects with Arduino or
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