Différences

Ci-dessous, les différences entre deux révisions de la page.

--- documentation:microcontroleurs:arduino:boards:uno:i2c:index [2020/04/04 19:45] – [PINS] f1sls
+++ documentation:microcontroleurs:arduino:boards:uno:i2c:index [2020/04/05 23:10] (Version actuelle) – [BUS] f1sls
@@ Ligne 1: / Ligne 1: @@
 ====== Arduino UNO I2C ======
+~~DIR:.:~~
 ===== PINS =====
-=== On all Arduinos ===
+==== On all Arduinos UNO ====
   * A4 = SDA
   * A5 = SCL
+{{:documentation:microcontroleurs:arduino:boards:uno:i2c:arduinouno_i2c_sda_scl_01.jpg?400|}}
-=== On Arduino R3 ===
+==== On Arduino UNO R3 ====
   * A4 = SDA AREF - 1 pin (up right corner)
   * A5 = SCL AREF - 2 pins (up right corner)
 {{:documentation:microcontroleurs:arduino:boards:uno:i2c:arduinouno_i2c_sda_scl_02.jpg?400|}}
+===== CODE =====
+===== BUS =====
+{{:documentation:microcontroleurs:arduino:boards:uno:i2c:arduino_uno_i2c_bus.jpg|}}
+\\
+Pull-up resistors between SDA & VCC and between SCL & VCC ≈ 4.7kΩ (depends on bus capacitance - length - and desired speed).