Differences

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--- tinyidiot [2018/12/20 21:55] – [TinyIdiot] yair
+++ tinyidiot [2019/01/09 15:48] – [code] yair
@@ Line 7: / Line 7: @@
 tinytony for esp8266
-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}}
 {{:nodemcu_pins.png?direct&400|}}
-  ##wiring
+==== drv8833 ===
-  ESP	       DRV 8830
+https://www.pololu.com/product/2130
-  GPIO 4    |   SDA
-  GPIO 5    |   SCL
-  VIN	    |   Vcc
-  GND	    |   Gnd
-  * **connect to the ESP only with I2C pulled up with 3.3v.**
+{{:pasted:20181226-125449.png}}
-  * 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