Quantity   Component name
1 × Weller RT 1 Soldering iron tip
1 × Arduino Nano or compatible Microcontroller
1 × WCMCU-8495 (AD8495-based K-type thermocouple amplifier) Amplifier and Linear ICs / Operational Amplifiers
1 × DC Barrel Power Jack
1 × 47Ω resistor
1 × 10kΩ resistor
1 × 100kΩ resistor
1 × SSD1306-based I2C 128x32 OLED display Displays and Inverters / LED Displays
1 × 3.5mm TRS jack Same as commonly used for headphones
1 × Parallax 5-position switch
1 × IRF511 Discrete Semiconductors / Power Transistors and MOSFETs
1 × IRF7416 Discrete Semiconductors / Power Transistors and MOSFETs