ICL8038 Function Signal Generator Module Versatile waveform generation: outputs sine, triangle, and square waves for a wide range of DIY projects and testing needs. performance core: built around a single ICL8038 IC that delivers accurate waveform generation with a minimal set of external resistors. Wiring and polarity guidance: the resistance elements used are nondirectional but may have different resistance values; identify them correctly and ensure proper polarity when soldering. Easy and safe operation: clearly labeled PCB for straightforward connections; powered from 12V DC; frequency range 505kHz; adjustable using the included switch S. Assembly and welding guidance: solder at 320380 C; follow a proper welding (low to heat, small components to larger, inside out); typical soldering time 35 seconds for a reliable connection without overheating. Practical applications: suitable as a signal source for bench testing, microcontroller/ADC calibration, and signal shaping in educational and DIY electronics projects.