Housegarofalo Claude Code Base Tasmota

Tasmota Skill

Complete guide for flashing and configuring Tasmota firmware on ESP devices.

Quick Reference

Common Commands

Web Console Access

http://<device-ip>/
http://<device-ip>/cm?cmnd=<command>

1. Flashing Tasmota

Using Tasmota Web Installer (Easiest)

1. Visit https://tasmota.github.io/install/
2. Connect ESP device via USB
3. Select firmware variant
4. Click "Install"

Using esptool.py

# Install esptool
pip install esptool

# Erase flash
esptool.py --port COM3 erase_flash

# Flash Tasmota
esptool.py --port COM3 write_flash -fs 1MB -fm dout 0x0 tasmota.bin

# For ESP32
esptool.py --port COM3 write_flash 0x0 tasmota32.bin

OTA Update

# Via web console
Upgrade 1

# Via command
OtaUrl http://ota.tasmota.com/tasmota/release/tasmota.bin.gz
Upgrade 1

2. Initial Configuration

WiFi Setup

# Connect to Tasmota-XXXX AP
# Browse to 192.168.4.1
# Configure WiFi credentials

# Or via commands
Backlog SSID1 YourWiFi; Password1 YourPassword

MQTT Configuration

# Set MQTT broker
Backlog MqttHost 192.168.1.10; MqttPort 1883; MqttUser user; MqttPassword pass

# Set topic
Topic living_room_light

# Full topic structure
FullTopic %prefix%/%topic%/
# Results in: cmnd/living_room_light/, stat/living_room_light/, tele/living_room_light/

Device Name

# Set friendly name
FriendlyName1 Living Room Light

# Set device name
DeviceName Living Room Light

# Set hostname
Hostname living-room-light

3. Device Templates

Apply Template

# Set template (example: Sonoff Basic)
Template {"NAME":"Sonoff Basic","GPIO":[17,255,255,255,255,0,0,0,21,56,255,255,0],"FLAG":0,"BASE":1}
Module 0

Common Templates

# Sonoff Basic
Template {"NAME":"Sonoff Basic","GPIO":[17,255,255,255,255,0,0,0,21,56,255,255,0],"FLAG":0,"BASE":1}

# Sonoff S31
Template {"NAME":"Sonoff S31","GPIO":[17,145,0,146,0,0,0,0,21,56,0,0,0],"FLAG":0,"BASE":41}

# Shelly 1
Template {"NAME":"Shelly 1","GPIO":[0,0,0,0,21,82,0,0,0,0,0,0,0],"FLAG":0,"BASE":46}

# Generic ESP8266 Relay
Template {"NAME":"Generic Relay","GPIO":[0,0,0,0,21,0,0,0,0,0,0,0,0],"FLAG":0,"BASE":18}

GPIO Configuration

# Set GPIO function
GPIO4 21    # Relay 1
GPIO5 9     # Button 1
GPIO12 17   # Button 2
GPIO13 56   # LED
GPIO14 22   # Relay 2

4. Power Control

Basic Power Commands

Power          # Toggle
Power ON       # Turn on
Power OFF      # Turn off
Power 1        # Turn on
Power 0        # Turn off
Power 2        # Toggle
Power1 ON      # Relay 1 on
Power2 OFF     # Relay 2 off

Power State on Boot

PowerOnState 0    # OFF after power up
PowerOnState 1    # ON after power up
PowerOnState 2    # Toggle from last state
PowerOnState 3    # Last saved state
PowerOnState 4    # ON and disable further control
PowerOnState 5    # Inverted PowerOnState 0

Pulse Mode (Auto-off)

# Turn off after 5 seconds
PulseTime1 50    # 50 = 5 seconds (value * 0.1)

# Disable pulse
PulseTime1 0

5. Sensors

Temperature/Humidity (DHT, BME280, etc.)

# Status
Status 10

# Set temperature offset
TempOffset -2.5

# Set humidity offset
HumOffset 3

# Set resolution
TempRes 1    # 1 decimal place

Power Monitoring (S31, POW, etc.)

# Get readings
Status 8

# Calibration
PowerSet 60.0      # Set known wattage
VoltageSet 120.0   # Set known voltage
CurrentSet 0.5     # Set known current

# Energy reset
EnergyReset1 0     # Reset yesterday
EnergyReset2 0     # Reset today
EnergyReset3 0     # Reset total

DS18B20 Temperature

# Multiple sensors addressed by index
DS18Alias 1,Kitchen
DS18Alias 2,Garage

# Resolution
DS18B20Resolution 12    # 9-12 bits

6. Rules

Rule Syntax

Rule1 ON <trigger> DO <command> ENDON
Rule1 1    # Enable rule
Rule1 0    # Disable rule

Example Rules

# Turn off after 10 minutes
Rule1 ON Power1#state=1 DO RuleTimer1 600 ENDON ON Rules#Timer=1 DO Power1 OFF ENDON
Rule1 1

# Motion sensor triggers light
Rule1 ON Switch1#state=1 DO Power1 ON ENDON ON Switch1#state=0 DO Power1 OFF ENDON
Rule1 1

# Temperature threshold
Rule1 ON Tele-DS18B20#Temperature>25 DO Power1 ON ENDON ON Tele-DS18B20#Temperature<23 DO Power1 OFF ENDON
Rule1 1

# Button double-press
Rule1 ON Button1#state=3 DO Power2 TOGGLE ENDON
Rule1 1

# Time-based automation
Rule1 ON Time#Minute=480 DO Power1 ON ENDON ON Time#Minute=1320 DO Power1 OFF ENDON
Rule1 1

Variables in Rules

# Set variable
Var1 100

# Use variable
Rule1 ON Power1#state=1 DO Var1 %value% ENDON

# Math operations
Add1 10      # Var1 = Var1 + 10
Sub1 5       # Var1 = Var1 - 5
Mult1 2      # Var1 = Var1 * 2
Scale1 0,100,0,255    # Scale Var1

Chained Rules

Rule1 ON System#Boot DO Var1 0 ENDON
Rule2 ON Power1#state=1 DO Add1 1 ENDON ON Var1#state>5 DO Power1 OFF ENDON
Rule1 1
Rule2 1

7. Timers

Set Timer

# Timer syntax
Timer<x> {"Enable":1,"Mode":0,"Time":"06:00","Window":0,"Days":"1111111","Repeat":1,"Output":1,"Action":1}

# Timer 1: Turn on at 6:00 AM daily
Timer1 {"Enable":1,"Mode":0,"Time":"06:00","Window":0,"Days":"1111111","Repeat":1,"Output":1,"Action":1}

# Timer 2: Turn off at 10:00 PM daily
Timer2 {"Enable":1,"Mode":0,"Time":"22:00","Window":0,"Days":"1111111","Repeat":1,"Output":1,"Action":0}

Timer Parameters

Sunrise/Sunset

# Set location
Latitude 40.7128
Longitude -74.0060

# Sunrise timer
Timer1 {"Enable":1,"Mode":1,"Time":"00:00","Window":0,"Days":"1111111","Repeat":1,"Output":1,"Action":0}

# Sunset + 30 minutes
Timer2 {"Enable":1,"Mode":2,"Time":"00:30","Window":0,"Days":"1111111","Repeat":1,"Output":1,"Action":1}

8. MQTT Integration

Topic Structure

cmnd/<topic>/<command>   # Commands
stat/<topic>/<response>  # Status responses
tele/<topic>/<telemetry> # Periodic telemetry

Subscribe to Status

mosquitto_sub -t "stat/living_room_light/#"
mosquitto_sub -t "tele/living_room_light/#"

Send Commands

# Power control
mosquitto_pub -t "cmnd/living_room_light/Power" -m "ON"
mosquitto_pub -t "cmnd/living_room_light/Power" -m "TOGGLE"

# Get status
mosquitto_pub -t "cmnd/living_room_light/Status" -m "0"

# Dimmer
mosquitto_pub -t "cmnd/living_room_light/Dimmer" -m "50"

Home Assistant Auto-Discovery

# Enable discovery
SetOption19 1

# Discovery prefix (default: homeassistant)
SetOption19 1

9. Advanced Configuration

Backlog (Multiple Commands)

Backlog SSID1 MyWiFi; Password1 MyPass; MqttHost 192.168.1.10; Topic mydevice; Restart 1

Save Settings

SaveData 1    # Save every hour
SaveData 0    # Save on change only
Restart 1     # Restart to apply

Disable Features

SetOption0 0     # Disable save on power toggle
SetOption1 1     # Disable button restriction
SetOption3 1     # Disable MQTT
SetOption36 0    # Disable boot loop protection

Web Interface

WebServer 1      # Enable web server
WebServer 0      # Disable web server
WebPassword pass # Set password

Serial/Console

SerialLog 0      # Disable serial logging
WebLog 2         # Set web log level
MqttLog 0        # Disable MQTT logging

10. Troubleshooting

Common Issues

Device not connecting to WiFi:

# Reset WiFi settings
Reset 1

# Or via button
# Hold button 40+ seconds

MQTT not connecting:

Status 6         # Check MQTT status
MqttHost <ip>    # Verify broker IP
MqttPort 1883    # Verify port
MqttUser user    # Verify credentials

Device keeps restarting:

# Check restart reason
Status 1

# Disable boot loop protection
SetOption36 0

GPIO not working:

# Check template
Template         # View current template
Module 0         # Apply template
GPIOs            # List GPIO assignments

Debug Commands

Status 0     # Full status
Status 1     # Device parameters
Status 2     # Firmware info
Status 4     # Memory info
Status 5     # Network info
Status 6     # MQTT info
Status 7     # Time info

Factory Reset

# Via command
Reset 1

# Via button
# Hold for 40+ seconds (4 short blinks)

Best Practices

1. Backup settings before updates: Configuration > Backup Configuration
2. Use templates from https://templates.blakadder.com/
3. Set static IP for critical devices: IPAddress1 192.168.1.100
4. Enable watchdog: SetOption65 1
5. Use rules instead of external automation when possible
6. Label devices with Topic name for easy identification
7. Group devices with consistent naming: room_device_type

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