Hexa display - TIL311
Hexadecimal display - 8 bits - TIL311
Fig. 1 Hexadecimal display
Description:
This board shows in hexadecimal the 8 bits of an 8 bits port.
Each bit of the port drives a led.
The board can be powered by 2.5 to 5V processor board.
Specifications:
Input voltage2.5 to 5V
Interface8 bits
Schematic:
The schematic is extremely simple. The 4 lower bits of the 8 bits drives one TIL311, and the 4 upper bits another one. The TIL311 is a chip that display an hexadecimal value of its 4 bits inputs.
Fig. 2 hexadecimal display schematic
Construction:
The PCB fits on a small single sided board. All components are on the top side, just don't forget the 2 wire links, to solder before any other component.
Fig. 3 hexadecimal display layout
Once all the components are soldered, the board is ready. It is possible to fit the TIL311 on 14 pins DIL sockets.
Pads 1 to 4 can be drilled to 3mm to fix the board, or put spacers.
| Hexadecimal display component list |
|---|
| C1: 100 nF U1, U2: TIL311 K1: Connector AMP MT 10pins male |
How to use / Testing:
To check the board, you need a processor board running tutorial 1 - counter.
Files and links:
Eagle PCB and schematics files for hexadecimal display.PDFs of PCB, layout and schematics of hexadecimal display.
PIC Tutorials 1 with hexadecimal display.
TIL311.