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3Pcs 1x4 Matrix Membrane Switch 68.9*10.7mm 4 Keys Switch Control Keyboard Keypad for Arduino No Word Microcontroller Extended Keyboard
Limited time offer, ends 10/17
$11.91
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10Pcs 4 x 4 Matrix Array Membrane Switch 76.9*76.9mm Keypad Keyboard 16 Key Matrix Array Membrane Switch Microcontroller Extended Keyboard 8Pin Dupont for Arduino
Limited time offer, ends 10/17
$11.93
Free Shipping
10Pcs 3 x 4 Matrix Array Membrane Switch 69.2*76.9mm Keypad Keyboard 3x4 12 Key Matrix Array Membrane Switch Microcontroller Extended Keyboard 7Pin Dupont for Arduino
Limited time offer, ends 10/17
$11.93
Free Shipping
USR-W610 Qualcomm Version Serial RS232 RS485 /Ethernet to Wi-Fi Converter 2·4G Wi-Fi Serial Server Support MQTT/TCP/UDP/HTTP Data Communication
Limited time offer, ends 10/18
$127.28
Free Shipping