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Control Pins
Compatible with Arduino
Serial to Ethernet converter make it easy to put electronic equipment on an Ethernet network
MCU ESP32 Flash 4MB PSRAM 8MB Serial Chip CH9102 Wireless protocol Wi-Fi + Bluetooth 4
LCD Shield with Keypad humidity Control PinsProduct Description The LCD Keypad shield is developed for Arduino compatible boards. It provides an easy and user friendly interface with both LCD and keypad 5 buttons. It consists of a character blue backlight LCD and of 5 keys select, up, right, down and left. To save the digital IO pins, the keypad interface uses only one ADC channel. The key value is read through a 5 stage voltage divider. For LCD and keypad Arduino shield Datasheet and Arduino
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