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NodeMCU ESP8266 to Adafruit Motor Shield V1. This is an old motor driver. I couldn't find any esp8266 connection with this motor driver anywhere. I made a connection in this way. I hope I could help. I would be very happy if you help me develop the robot.

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mahirgul/wifi-nodemcu-robot-esp8266

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NodeMCU ESP8266 to Adafruit Motor Shield V1. This is an old motor driver. I couldn't find any esp8266 connection with this motor driver anywhere. I made a connection in this way. I hope I could help. I would be very happy if you help me develop the robot.

commandmovement--commandmovement
FforwardBback
LleftRright
SStop

We give the motion with the dataArray string.

dataArray[0] = 39; //Forward

dataArray[1] = 216; //Back

dataArray[2] = 149; //Left

dataArray[3] = 106 ;//Right

You can construct the contents of this string using the table below.

74HC595 OutBitsnumbermotordirection
QC24M1clockwise
QD38M1counterclockwise
QB12M2clockwise
QE416M2counterclockwise
QF532M3clockwise
QH7128M3counterclockwise
QA01M4clockwise
QG664M4counterclockwise

Example: We add the numbers of clockwise rotations so that all engines go forward.

Motor 1+Motor 2+Motor 3+Motor 4=Calculate
4+2+32+1=39

We send the calculated data to the 74HC595 with the following command.

shiftOut(dataPin, clockPin, MSBFIRST, b);


The connection diagram is as follows.

image


L293D Motor Driver Pin Outs

image


Adafruit Motor Shield v1 Schematic

image


74HC595 Pin Outs

image


Final Robot

image

image

https://mahirgul.github.io/wifi-nodemcu-robot-esp8266/

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NodeMCU ESP8266 to Adafruit Motor Shield V1. This is an old motor driver. I couldn't find any esp8266 connection with this motor driver anywhere. I made a connection in this way. I hope I could help. I would be very happy if you help me develop the robot.

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