This project shows you how to successfully control a robot arm using the L9110 motor board, without using up all your Arduino outputs.
Project tutorial by adamsstephen
Using WiFi to control your Arduino UNO, Nano or Mega as a basis. Includes feedback and simple hardware.
Have a look at my project which has different setup code and may cover the problem of logging into the ESP8266. It also lists where to get the AT Command manual from,
"ESP01 Webserver to Control Your Arduino UNO, Mega or Nano"
This project was about doing it safely, without modifying the L9100 board at all.
The IC's quoted will go up to +12v to sink the current through the transistor in the chip, protected by the resistor. This is the same rating as the L9100 board.
There is no need to remove anything which is easier for amateurs like myself.
I am not the author of this project.
My project is on a similar theme is "ESP01 Webserver to Control Your Arduino UNO, Mega or Nano"
Please look there for answers about MY project.
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