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tinyidiot [2018/12/20 21:44] – [code] yairtinyidiot [2019/01/09 15:51] (current) – yair
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 tinytony for esp8266 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]] 
  
 +{{:nodemcu_pins.png?direct|}}
  
-{{:pasted:20181219-102721.png?direct&400}}+==== drv8833 === 
 +https://www.pololu.com/product/2130
  
-{{:nodemcu_pins.png?direct&400|}}+{{:pasted:20181226-125449.png}}
  
-  ##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 
  
 ==== code ==== ==== code ====
 https://github.com/idiot-io/TinyTony https://github.com/idiot-io/TinyTony
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