Toto|Miam

Description

A wirelessly controlled automatic cat feeding system.

Hardware

Parts

Microcontroller

WEMOS D1 mini

Actuator

Stepper Motor:

28BYJ-48

Drive Module Board:

ULN2003

Setup

Wiring

• 5V <> 5V @ WEMOS D1

• 5V <> + @ ULN2003

• GND <> G @ WEMOS D1

• GND <> - @ ULN2003

• D0 @ WEMOS D1 <> IN1 @ ULN2003

• D1 @ WEMOS D1 <> IN2 @ ULN2003

• D2 @ WEMOS D1 <> IN3 @ ULN2003

• D3 @ WEMOS D1 <> IN4 @ ULN2003

Firmware

Setup

Driver

On macOS High Sierra: https://blog.sengotta.net/signed-mac-os-driver-for-winchiphead-ch340-serial-bridge/

Configuration

Create a ./files/settings.json configuration file with the following content:

{
    "network":
    {
        "ssid": "WIFI_SSID",
        "password": "WIFI_PASSWORD"
    }

}

Build

make

Flash

make flash

Copyright

(c) 2016 - 2019 Lucas Brémond

Citing Peter Andersson, author of the great SPIFFS library:

For legal stuff, see LICENSE. Basically, you may do whatever you want with the source. Use, modify, sell, print it out, roll it and smoke it - as long as I won't be held responsible.