LCD Keypad For Raspberry Pi

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LCD Keypad For Raspberry Pi

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Product Information

ET-LCD SW HAT is I/O board that is specifically designed for connection with Raspberry Pi board through 40-pin connector; this board includes LCD 16x2, SW, Buzzer, RTC DS3231 with I2C connector. So, this ET-LCD SW HAT board can be connected on Raspberry Pi board instantly and then user can write program to control I/O devices on board directly without connecting any more device. Please look at the circuit at the end of this manual, it shows position of I/O pins that are used to control devices on board; moreover, example programs for controlling devices on board that are written by Python Language, user can copy them to test the operation conveniently.


  • Be connected with Raspberry Pi Model B+ board, PI2 Model B that has 40-pin connector
  • Use power supply 5V and 3.3V from Raspberry Pi board that is directly connected to board through 40-pin connector
  • Use connector as 2x20 pin stackable 25.5 mm. type for connecting with Raspberry Pi board; so, I/O pin of RPI board that is not used can be connected for external use
  • I/O devices on Board are
  1. LCD 16x2 backlight is connected as data 4-bit control with circuit adjustable contrast
  2. 5 of Push button SW. are activated at logic 0
  3. Real Time Clock RTC DS3231 (Hour, Minute, Second, Day of week, Date, Month, the Christian Era (AD), and Alarm); Setup RTC Address= 0x68
  4. Buzzer is activate at logic 1
  5. I2C connector as Box 5-Pin type can be connected with Temp Sensor #SHT31. Pin I2C (SCL, SDA) from RPi board is connected through circuit voltage converter on ET-LCD SW HAT board first and then it is connected to this connector Box 5-Pin; so, user does not worry about unequal voltage level


Product CodeLCDCUSA613
Stock Level10

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