The ICL8038 function signal generator module provides versatile waveform output for DIY projects. It can generate sine, triangular, and square waves from a compact singlechip design. Key features and benefits Versatile waveform generation: Outputs sine, triangular, and square waves using the ICL8038 IC, enabling a wide range of experiment and testing scenarios with minimal external parts. performance: The ICL8038 delivers accurate and stable waveforms as a singlechip function generator, requiring only small resistor elements to set the signals. Wiring and component guidance: The resistance elements used are nonpolarized but may have different values. Ensure correct identification and welding, and properly align the positive and negative terminals during wiring. Easy to use and safe: Clear labeling on the PCB helps you connect wires correctly. The module operates from a 12V power supply and covers a frequency range of 50 Hz to 5 kHz, adjustable via switch S. Reliable construction process: Recommended welding temperature is 320°C to 380°C. Follow the proper welding (start with low heat, small components first, inside to outside) and limit welding time to about 3–5 seconds for a solid connection without overheating. Practical applications Lab bench testing: Generate reference signals to calibrate oscilloscopes and test other measurement equipment. DIY electronics and prototyping: Use as a flexible signal source for microcontroller projects, audio circuits, and timing experiments. Education and experiments: Demonstrate waveform generation, timing, and fundamental circuit behavior in teaching labs or study. Technical notes Model: ICL8038 based signal generator module Waveforms: Sine, triangle, square Power supply: 12V Frequency range: 50 Hz to 5 kHz Adjustment: Switch S for frequency or waveform adjustments Assembly guidance: Clear PCB labeling; attention to resistor values and polarity during wiring Soldering guidance: Welding temperature 320°C–380°C; welding from low heat to higher heat, small components to larger, inside to outside; target weld time 3–5 seconds