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Daisy-24 - mini alphanumeric front panel with I2C interface

Daisy-24 is a mini I2C terminal which mounts a Winstar alphanumeric 16x2 chars LCD module and 4 push buttons. It is as Terra Board front panel or as normal Daisy module for the FOX Board G20 or other board with Daisy connectors.

Daisy wirings

Here is the list of Daisy connectors where is available the I2C bus so it is possible to plug the DAISY-24 module:

Connector Board
D10 TERRA and TERRA-M
D13 TERRA and TERRA-M
D16 TERRA and TERRA-M
D17 TERRA
D1 FOXG20 + DAISY-1
D6 FOXG20 + DAISY-1
D8 FOXG20 + DAISY-1

The insert key on Daisy-24 ensure the right way to plug the flat cable.

PCB wirings

Using the PCB header bottom side it is possible to plug and weld the board directly on a carrier board (see the Terra board) as shown below.

In this case is not requested the daisy flat cable.

Here is the list of know boards using the Daisy-24 module:

Code examples

Hello World !

hello.py

Cursor position

cursor.py

LCD contrast control

contrast.py

Double font

font.py

Buttons read and backlight control

In this example are used two I2C address for the I2C explander used on the Daisy-24 board. To select which is the address to use read on the black IC code:

Code I2C address
PCF8574 T 0x027
PCF8574 AT 0x03F

readkey.py

More hardware info

Schematics, mechanical drawings, component datasheets, etc. are available on the Hardware reference page.


DAISY-24 : Alphanumeric I2C 16x2 LCD module + 4 push buttons EURO 24.00

Daisy-24 mini alphanumeric I2C 16x2 characters LCD module with 4 push buttons. Usable as Terra Board front panel or as normal Daisy module for other board with Daisy connectors.

Note: the daisy flat cable to wire this board is not included. Don't forget to buy it (code FLAT-20CM). It is not needed if you plug it directly on a Terra board.

| Product description | Daisy catalog |


FLAT-20CM : 20cm flat cable with sockets for Daisy wiring EURO 3.00

20 cm ribbon cable with 10 wires compatible with the Acme Daisy Cabling System.

At least one of these cables is required to connect each Daisy module.

if you need different lengths please consider making your own the cable using the IDC socket JJ-02291-10P-F and the flat cable FC-3754-1M.


TERRA : Linux embedded board for fast prototyping EURO 199.00

TERRA is a carrier board conceived both to evaluate the Aria G25 SoM and to make prototypes or small production batches of OEM equipments using the Daisy cabling system.

| Product description | Terra catalog |




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Acme Systems provides this documentation "as is" without warranty or guarantees of any kind. The mantainer of this site (Sergio Tanzilli), has gone to a great deal of effort into making this documentation as correct as possible. Acme Systems doesn't provide any direct support for the Open Source preinstalled software but provides, through these pages and forum posts, all the information required to obtain the sources, install, use and update the Open Source softwares runnable on the FOX Board, NetusG20, AriaG25 and Terra platforms. Please note that all the preinstalled softwares, used on the Acme Systems products, are Open Source and you will have to check the license terms provided (usually the GPL) by each author before using it in any commercial or non-commercial product, by yourself. Before sending emails or calling the Acme staff here are our contacts please note that WE ARE MAINLY HARDWARE DESIGNERS and NOT LINUX GURUS so could be better to post your questions directly to the forum listed below to be sure that all the contributors of this site and the large software developers community will read and reply to your questions.

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