Description:
This is an easy to use 3 x 4 Matrix Keypad. It has 7 connections (for soldering, 3+4). For any projects where you need a numeric input, 0-9 and *, # key, this is the Keypad for you!

This Keypad can also be directly used in connection with the Devantech LCD03, Serial Display (4 lines).

Specifications:

• Dimensions: 58 x 47 mm (height x width)
• Thickness incl. keys: 14 mm
• Connections Keys: connected as a matrix of 3 Columns and 4 Rows, see connection scheme

Connection Scheme:
Starting from left pin

1. : Not connected
2. : Column 2
3. : Row 1
4. : Column 1
5. : Row 4
6. : Column 3
7. : Row 3
8. : Row 2
9. : Not connected

Please note: the soldering pads are sensitive, do not solder them too long and hot !