Extension Explorer 16

Description

In French: Création d'une carte d'extension pour la carte Explorer (PROJET: Carte Explorer 16 & Exos sur les uC).

• V1: un montage permettra de simuler un carrefour routier, composer de 4 feux (RGB)

in English: creation of one extansion board for the Explorer Board (see the links above)

• V1: assembly will allow to simulate a crossroad (4 fires (RGB))

Part Calculation of Electronics Digram

LED's for crossroad

• the datasheet of the DSP implemented on the Explorer Board 16 (see pages 1 & 273) indicates that :
  • output current of I/O : I = 10mA
  • voltage I/O : VDD = 3.3V

• the datasheet of the red LED (see pages 3) indicates that :
  • conduction voltage : VF = 1.8V
  • average current : I = 20mA

Formula

• calculation of resistance RD $\frac{U_r}{I} = \frac{VDD - U_{LR}}{I} = \frac{3.3V - 1.8V}{10mA}$ = 150mA

Documentation

PDF FILE

• datasheet on the RED LED - AVAGO File:LED RED.pdf