Folio notes
Description
ESP8266 Web Server Serial WiFi Extension Board Shield HC SR 04 Ultrasonic Sensor ( Pack of 25) You'll need a motor driver You'll need a motor driver module (L298N recommended) for PWM control 14 Digital I O Pins: Six of which support hardware PWM Fast Delivery 1 5 day shipping Is this 100% authentic
Exchange/Return Notes
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Frequently Asked Questions for ESP8266 Web Server Serial WiFi Extension Board Shield HC-SR-04 Ultrasonic Sensor ( Pack of 25) You'll need a motor driver
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