SmartCube V1
SmartCube is a tiny, customizable desk toy built with an ESP8266 D1 Mini. It can display messages on an OLED, monitor battery voltage, control a buzzer, and respond to button presses.
The guide how to make one is available here
1️⃣ Clone the Repository
You may need to install git first If you are on Windows, open Command Prompt (CMD):
-
Press Win + R, type
cmd, and press Enter. -
Clone the repo:
git clone https://git.kopic.hr/tomislav/SmartCube_ESPHome.git
cd SmartCube_ESPHome
This downloads all the files for your SmartCube.
2️⃣ Install Python
- Download Python 3.13+ from python.org.
- During installation, check “Add Python to PATH”.
- Verify installation in CMD:
python --version
3️⃣ Install ESPHome
Install ESPHome using Python’s package manager:
pip install esphome
Check installation:
esphome version
4️⃣ Flash the SmartCube
-
Connect your SmartCube to your PC using a data-capable USB cable.
-
Upload the firmware:
esphome run smartcube.yaml
3. ESPHome may ask which device to flash. Look for the entry that says something like:
(USB Serial Port (COMX))
Select that one by typing its number and pressing Enter.
ESPHome will compile and flash the firmware.
-
After flashing, the cube will connect to the Wi-Fi you set in the config.
- If it fails, it will start a fallback AP named SmartCube with password 12345678.
- Connect to this AP to configure your Wi-Fi.