Differences

This shows you the differences between two versions of the page.

--- tinyidiot [2018/12/26 14:55] – yair
+++ tinyidiot [2019/01/09 15:51] (current) – yair
@@ Line 8: / Line 8: @@
-{{:nodemcu_pins.png?direct&400|}}
+{{:nodemcu_pins.png?direct|}}
 ==== drv8833 ===
@@ Line 15: / Line 15: @@
 {{:pasted:20181226-125449.png}}
-==== drv8830====
-drv8830 [[http://www.ti.com/lit/ds/symlink/drv8830.pdf|datasheet]] \\
-built of work by sparkfun [[https://github.com/sparkfun/SparkFun_MiniMoto_Arduino_Library|minimoto]] breakout [[https://jiwashin.blogspot.com/2016/09/drive-dc-motor-by-drv8830-and-esp8266.html|and jiwashin]] and [[https://makers-with-myson.blog.so-net.ne.jp/2014-05-15|here]]
-{{:pasted:20181219-102721.png?direct&400}}
-  ##wiring
-  ESP	       DRV 8830
-  GPIO 4    |   SDA
-  GPIO 5    |   SCL
-  VIN	    |   Vcc
-  GND	    |   Gnd
-  * **connect to the ESP only with I2C pulled up with 3.3v.**
-  * Motor (+) and OUT1, motor (-) and OUT2
-  * A 1 nF (102) ceramic capacitor between + and - of the motor
-  * A resistance of 0.2 Ω between ISENSE and GND of the DRV 8830
-  * 0.1 μF (104) ceramic capacitor between VCC and GND of the DRV 8830
-  * A 10 kΩ resistor between SDA and 3.3 v
-  * A 10 kΩ resistor between SCL and 3.3 v
-  * 5 V output such as USB serial and VIN of ESP - WROOM - 02 board
-  * GND of USB serial etc. and GND of ESP - WROOM - 02 board
-{{:pasted:20181220-195530.png}}\\
-"From this table, the write address is 0xC0 and the read address is 0xC1. The device address specified from Arduino will be "0x60" because it will be a value [[https://www.miniwebtool.com/bitwise-calculator/bit-shift|shifted 1 bit to the right]]." [[https://makers-with-myson.blog.so-net.ne.jp/2014-05-15|src]]
 ==== code ====
 https://github.com/idiot-io/TinyTony
-===i2c issues==
-cant get any other address to motors but 0x64
-#define PIN_WIRE_SDA (4)
-#define PIN_WIRE_SCL (5)