Differences

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

--- tinyidiot [2018/12/19 12:31] – created yair
+++ tinyidiot [2019/01/09 15:48] – [drv8830] -removed i2c yair
@@ Line 2: / Line 2: @@
-TinyIdiot
+====== TinyIdiot ======
 tinytony for esp8266
-drv8830 [[http://www.tij.co.jp/jp/lit/ds/symlink/drv8830.pdf|datasheet]] \\
-built of work by sparkfun 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&400|}}
+==== drv8833 ===
+https://www.pololu.com/product/2130
+{{:pasted:20181226-125449.png}}
+==== code ====
+https://github.com/idiot-io/TinyTony
+===i2c issues==
+cant get any other address to motors but 0x64
-{{:pasted:20181219-102721.png?direct&400}}
+#define PIN_WIRE_SDA (4)
+#define PIN_WIRE_SCL (5)
-  ##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 ceramic capacitor between + and - of the motor
-  * A resistance of 0.2 Ω between ISENSE and GND of the DRV 8830
-  * 0.1 μF 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