HpLaserJetControlDemo Example
M66004Vfd allows control of VFDs (vacuum fluorescent displays) based on the Mitsubishi/Renesas M66004 VFD controller IC. It also includes a class for using the buttons and LEDs on the LaserJet board.
This example sketch:
- Sets all pixels and flashes the LEDs for approximately 1 second
- Prints "Hello, world!" to the display and flashes a heart beat
- Sets LEDs on/off based on button presses
Hardware Required
- Arduino board
- HP LaserJet control panel board
- Single pin M-F header wires or similar
Circuit
Caution: The board operates from 5v however generates higher voltages (40v) and should not be operated outside of a suitable enclosure.
There are a multiple variations of this board with at least two different connector pinouts. You should confirm how the connector pins connect to the integrated circuits on the board before applying power.
| Arduino Pin | 10 pin dual row connector | 9 pin single row connector* | M66004 IC Pin | HC165 IC Pin | HC595 IC Pin |
|---|---|---|---|---|---|
| GND | 1, 2, 3 | 1, 2 | |||
| +5V | 4, 5 | 8, 9 | |||
| 6 | 6 | 6 | 15.CSK | 2.CLK | 11.SRCLK |
| 7 | 7 | 7 | 16.SDATA | 14.SER | |
| 8 | 8 | 5 | 14./CS | ||
| 9 | 9 | 4 | 1./LD | 12.RCLK | |
| 10 | 10 | 3 | 9./Qh | ||
* Based on information from this article and verified by gigawatts.
Running
Load and run the sketch located at M66004/examples/HpLaserJetControlDemo. For more details see the demo being run in this YouTube video.