expander_boards
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expander_boards [2013/11/20 15:57] waveshare |
expander_boards [2013/12/23 14:50] (current) |
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| ====== Expander Boards ====== | ====== Expander Boards ====== | ||
| + | |||
| + | =====DVK521===== | ||
| + | ==== About ==== | ||
| + | DVK521 is an expansion board designed for Cubieboard by Waveshare Electronics(a Chinese company), integrates various components and interfaces for connecting external accessory boards. It's ideal for Cubieboard evaluation and development. | ||
| + | |||
| + | {{..:DVK521-intro.jpg}} | ||
| + | |||
| + | Specs: | ||
| + | |||
| + | 1. Cubieboard socket | ||
| + | 2. OV7670 interface: for connecting OV7670 Camera Module | ||
| + | 3. 8I/Os interface: easily connects to modules controlled by I/Os, such as 8 Push Buttons | ||
| + | 4. SPI interface: easily connects to SPI modules such as AT45DBXX Dataflash, etc. | ||
| + | 5. I2C interface: easily connects to I2C modules such as PCF8574 Expansion Module, PCF8563 RTC Module, etc. | ||
| + | 6. USB interface: USB TO UART, convenient for debugging | ||
| + | 7. VGA interface: for connecting VGA display Module | ||
| + | 8. Capacitive touch screen socket: for connecting capacitive touch screen using I2C interface | ||
| + | 9. 7inch LCD interface: for connecting 7inch LCD | ||
| + | 10.ONE-WIRE interface: easily connects to ONE-WIRE devices (TO-92 package), such as temperature sensor (DS18B20), electronic registration number (DS2401), etc. | ||
| + | 11.UART interface (PL2303TA): connects to the UART interface of Cubieboard | ||
| + | 12.Cubieboard Ext Ports | ||
| + | 13.5V/3.3 V power input/output: usually used as power output, also common-grounding with other user board | ||
| + | 14.Power indicator | ||
| + | 15.User LEDs | ||
| + | 16.Buzzer | ||
| + | 17.User Keys | ||
| + | 18.Joystick: five positions | ||
| + | 19.PL2303TA: onboard USB TO UART convertor | ||
| + | 20.12M crystal: for PL2303TA | ||
| + | 21.Joystick jumper | ||
| + | 22.User Keysjumper | ||
| + | 23.ONE-WIRE jumper | ||
| + | 24.Buzzer jumper | ||
| + | 25.User LEDs jumper | ||
| + | 26.Prototyping area: can be used to place user components for experiments | ||
| + | |||
| + | For jumpers above: | ||
| + | |||
| + | 。short the jumper to connect to I/Os used in example code | ||
| + | 。open the jumper to connect to other custom pins via jumper wires | ||
expander_boards.1384934235.txt.gz · Last modified: 2013/12/23 14:50 (external edit)
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