Documentation **[[Documentation|Home]]**
====== BASIC INFORMATION ======

Name: **RPi EL-BOARD**\\
Type: **Raspberry Pi Board**\\
Version: **1.0.0**\\
Author: **Dubravko Penezic**\\
Copyright: **Creative Commons BY-NC-SA v 3.0**\\
Implemented function:
  * **Fix RPi BUS Cable Connection**
  * **10 GPIO with bidirectional level shifting (5V or 3.3V)**
  * **I2C bus with bidirectional level shifting (5V or 3.3V)**
  * **RS232 bus with bidirectional level shifting (5V or 3.3V)**
  * **2X10 headers for connecting to GND, 3.3V, 5V, 10 pins, I2C and RS232**
  * **Internal AS1117 3.3V voltage regulator (500mA, and 5.1V protection)** 
  * **DS3231 RTC**
  * **DS1307 RTC**
  * **AT24Cxx EEPROM module with Write Protection option**
  * **FT232RL RS232 to USB adapter with straight or cross connection of TXD/RXD between RPi and FT232RL**
  * **3 tactile switches connected to GPIO with 4pin header (GND and 3line to switches)**
  * **RGB LED (or 3 ordinary LED) with transistor controlled output (available on 4 pin header plus 5V) and LM317 current controller**
  * **6 Selectable 3 pin header for selecting LCD screen BUS or 3 tactile switch and RGB LED possibilities**
  * **16 pin female header for LCD screen connection**    

\\ PCB Top & Bottom image:\\
{{:rpi_el_1_0_0:img_1612.png?300|}}
\\ Schematic:\\
{{:rpi_el_1_0_0:rpi_el-board_schematic_v100.pdf|Schematic in PDF format}}
==== Functional example ====
{{:rpi_el_1_0_0:img_1578.png?300|}}{{:rpi_el_1_0_0:img_1579.png?300|}}\\
{{:rpi_el_1_0_0:img_1582.png?300|}}