Open source paste dispenser ESPC3+BD6736+IP5306

If you do it next time, connect the PWM pin of BD6736 to 3.3V, saving an IO for the TL431 voltage reference, so that the calculated battery voltage is accurate

Materials include:
1-Precision N20 reduction motor: 6V, 60 rpm:
You may find this one: https://item.taobao.com/item.htm?spm=a1z09.2.0.0.76272e8dNGEA3p&id=647011240332&_u=b284nul06e4
2 -Motor driver IC: BD6736FV-E2. This is a camera lens motor driver. It can also rotate forward and reverse with PWM. It is very good.
You may want to look for this one: https://item.taobao.com/item.htm?spm=a1z09. 2.0.0.76272e8dNGEA3p&id=521782894451&_u=b284nula585
3-Battery is 400mA (19.7*38*7.3)
I purchased this: https://item.taobao.com/item.htm?spm=a1z09.2.0.0.76272e8dNGEA3p&id=6 49717471912&_u= b284nula65e

All accessories:

The front handle is fixed with glue

Front handle screws

Finally, before installation, power off and test

+

If there is no problem after testing, install it

Finally, the effect!

I feel very good using this model for motor driver IC.