![[Discontinued] Mega2560 R3 Prototype Kit+LCD4884+Prototype Shield+HC-SR04 Ultrasonic Sensor Relays 3x SainSmart optical endstop](https://cdn.shopify.com/s/files/1/1978/9859/products/1_20_22.jpg?v=1759444951)
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3x SainSmart optical endstop
size: L:123 mm/ W: 92 mm/ H: 33 mm
SainSmar ADK Shield is based on Android Open Accessory Development Kit(ADK)
The Jielisi is designed for standard cutting of paper
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[Discontinued] Mega2560 R3 Prototype Kit+LCD4884+Prototype Shield+HC-SR04 Ultrasonic Sensor Relays 3x SainSmart optical endstopSainSmart Mega2560 R3: *1. 0 pinout: added SDA and SCL pins that are near to the AREF pin and two other new pins placed near to the RESET pin, the IOREF that allow the shields to adapt to the voltage provided from the board. In future, shields will be compatible both with the board that use the AVR, which operate with 5V and with the Arduino Due that operate with 3. 3V. The second one is a not connected pin, that is reserved for future purposes.
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