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esphomePomodorowith OLED display, button and a buzzer.

• shows remaining time left till the end of the phase
• default work phase is 25min, rest phase is 5min, max 3 work phases
• restores number of work phases on device power loss
• can show some useless info like time and humidity and temperature if you havedata from home-assistant, could be replaced with something else local

• tested with esphome 2023.12.9ghcr.io/esphome/esphome:2023.12.9
• no button to reset number of pomodoro sessions stored.
• tested with OLED 128x64
• device power loss does not resume phase, given phase state is lost
• no reset/pause

• esp32 (probably will work on esp8266)
• push buttonor can be some standalone keyboard key or from the old mouse)
• SSD1306 OLED display
• RTTL buzzer

First of all checkpinout fo your device.

• buzzer - GPIO32 + ground, check polarity, some require it
• physical button - GPIO33 + ground - make sure you connect proper legs
• OLED display - 5V + ground, I2C over standard pinssda: GPIO21scl: GPIO22

• look at thepomodoro.yaml andedit it so it suits your needs - like device address, wifi passwords,or uncomment the code etc
• add that yaml to your ESPHome dashboard
• upload to the device
• enjoy.