Features

• One button for on and make double x2 espresso
• MQTT control
• Set power off timeout

Demo

MQTT commands

• commands/power [0/1]
• commands/force/power
• commands/coffee
• commands/force/coffee
• commands/coffee-x2
• commands/coffee-script

MQTT sensors

• connected
• leds/coffee [ON/OFF/BLINK]
• leds/error [ERROR]

MQTT LWT (Last Will)

• LWT [Online/Offline]

Wiring

• Power button: D1 (relay)
• Coffee button: D2 (relay)
• Error led: D6 (not work)
• Coffee led: D7
• Coffee-script button: D3 and Ground
• Connect ESP Ground to Redmond Ground

Soldering to coffee button panel:

Config options

• app.debug - Output debug to MQTT, default: false
• app.mqtt_topic - MQTT base topic, default: redmond-rcm-1512
• app.power_off_timeout_sec - Power off idle timeout, default: 300
• app.power_gpio - GPIO to use for power button, default: D1
• app.coffee_gpio - GPIO to use for power button, default: D2
• app.error_led_gpio - GPIO to use for error led: D6
• app.coffee_led_gpio - GPIO to use for 2x espresso led: D7
• app.button_gpio - GPIO to use for coffee-script button: D3

Flashing

mos build
mos flash
mos wifi ssid password
mos config-set mqtt.server=host mqtt.user=username mqtt.pass=password