Is MAX6675 K-Type Thermocouple Sensor Compatible with Arduino Ecosystem?
Verdict Badge
VERDICT: [ NATIVELY SUPPORTED ]
Protocol: SPI Bus / 3.3V
Bridge Needed: NO
Hardware Safety & Verification Specs
Electrical parameters & logic voltage safety limits before powering ICs
🟢 3.3V Native Direct Hookup
🧪 Verified in Lab
Logic Voltage 3.3V Low-Power CMOS
Voltage Rating 3.0V - 3.3V DC Rail
Current Profile Peak Tx Current: ~180mA to ~250mA @ 3.3V
Environment Rating IP20 Indoor Climate Control
## Compatibility Overview
High-temperature thermal probe measuring up to 1024C for kiln smoker pizza oven or engine exhaust monitoring.
Interactive Pinout & Wiring Diagram
Hover over any pin to view voltage limits and pull-up specifications
VCC
3.3V Power
GND
Ground Common
SDA / TX
Data Line (GPIO 21)
SCL / RX
Clock Line (GPIO 22)
CS / INT
Chip Select (GPIO 19)
Bi-Directional 4-Channel I2C Level Shifter Diagram BSS138 MOSFET
3.3V Microcontroller
ESP32 / Pico W (LV Pin)
HV ↔ LV Shifter
Low Voltage: 3.3V | High Voltage: 5.0V
5.0V Sensor Peripheral
HC-SR04 / Relay (HV Pin)
## Technical Specification Matrix
| Feature / Attribute | Specification / Status |
|---|---|
| Hardware Protocol | SPI Bus / 3.3V |
| Bridge Required | NO |
| Border Router Needed | None |
| Exposed Entities | High Temperature (C) Thermocouple Break Status |
| Pairing Complexity | Intermediate |
| Factory Reset Instruction | Hold BOOT button for 2s. |
## Step-by-Step Pairing Guide
1
Factory Reset Device
Hold BOOT button for 2s.
2
Initialize Pairing Mode on Arduino Ecosystem
Open Arduino Ecosystem administration console, navigate to Integrations / Add Device, and start pairing scanner.
3
Confirm Entity Binding & State Verification
Verify that primary entities (High Temperature (C), Thermocouple Break Status) report live state changes inside Arduino Ecosystem.
Production Code Generator & Preset Toolkit
Pre-configured pinouts & drivers for MAX6675 K-Type Thermocouple Sensor
👥 Community Verified Database
Continuous hardware testing updates
Report a Pinout Error or Submit Tested Code Snippets
Found a pin mapping quirk or built a custom ESPHome YAML driver for MAX6675 K-Type Thermocouple Sensor? Help us keep this matrix 100% accurate.
Hardware Correction Form (emb-esp32-max6675-ard)
## Frequently Asked Questions
Does this device operate in Offline Mode?
Local SPI bus temperature reading.
What is the expected Battery Life & Power specification?
3.3V VCC SPI (SO=GPIO19 CS=GPIO23 SCK=GPIO18).
How does Signal Mesh & Range Extension function?
Wi-Fi 2.4GHz / Bluetooth.