HiLetgo ICL8038 Signal Generator 12V-15V Module Triangular Square Sine

Description

Product Overview

The HiLetgo ICL8038 Signal Generator is engineered to deliver precise and stable waveform outputs across a broad frequency spectrum, ranging from 10 Hz to 450 kHz. Built around the reliable ICL8038 integrated circuit, this module supports three fundamental wave shapes—triangular, square, and sine—allowing users to tailor signal characteristics to specific testing or development needs. The device operates on a flexible 12 V to 15 V DC input, making it compatible with common bench power supplies and battery packs. Its compact dimensions (4.6 x 3.1 x 0.7 inches) and lightweight design (0.95 oz) enable easy integration into prototype boards, handheld test rigs, or educational kits. Low distortion is a hallmark of the sine output, achieving a 1 % total harmonic distortion, while the square wave duty cycle can be adjusted from 2 % to 98 % for fine‑grained pulse width modulation. The module’s robust construction and straightforward pin layout simplify wiring and reduce setup time, ensuring that engineers, hobbyists, and educators can focus on experimentation rather than troubleshooting.

Usage

This signal generator excels in a variety of environments. In electronics laboratories, it serves as a versatile source for testing amplifiers, filters, and oscillators, providing a reliable reference signal without the need for expensive bench equipment. Hobbyists building Arduino or Raspberry Pi projects can use the module to generate PWM signals for motor control, LED dimming, or audio synthesis. The wide frequency range also makes it suitable for educational demonstrations, where students can observe waveform transformations in real time using oscilloscopes or software‑based analysis tools. Field technicians benefit from its portable power requirements, allowing on‑site diagnostics of communication circuits or sensor interfaces. Whether mounted on a breadboard, enclosed in a custom enclosure, or integrated into a larger test system, the ICL8038 module delivers consistent performance that meets the demands of both prototype development and routine verification.

Why Choose Us

Choosing the HiLetgo ICL8038 module means selecting a product backed by a reputation for quality and reliability. HiLetgo, a recognized brand in the hobbyist and professional electronics market, ensures each unit undergoes thorough testing before shipment, guaranteeing that the waveform accuracy and frequency stability meet the specifications advertised. The module’s design incorporates protective features such as over‑voltage tolerance and short‑circuit resistance, extending its lifespan even in demanding applications. Customers also receive responsive technical support, with detailed documentation and prompt assistance for integration challenges. With a competitive price point of $7.99, the module offers exceptional value, delivering capabilities often found in higher‑priced function generators. Moreover, the product’s compliance with industry standards and its discontinued‑by‑manufacturer status being “No” assures continued availability and future‑proofing for long‑term projects.

Key Features

• Broad frequency range from 10 Hz to 450 kHz for diverse testing scenarios
• Three selectable waveforms—triangular, square, and low‑distortion sine—covering most signal needs
• Adjustable square‑wave duty cycle (2 %‑98 %) for precise pulse‑width modulation
• Compact 12‑15 V operation enables battery‑powered or bench‑supply use
• Dedicated after‑sales support and detailed integration guides from HiLetgo

FAQ

What is the maximum output frequency?

The module can generate waveforms up to 450 kHz, which is sufficient for most audio, communication, and control applications.

Can I adjust the amplitude of the output signal?

Amplitude is set by the external load and supply voltage; the module provides a stable output that can be scaled with external attenuators or amplifiers as needed.

Is the module compatible with Arduino or Raspberry Pi?

Yes, the ICL8038 module can be directly interfaced with microcontroller GPIO pins for frequency control, making it ideal for hobbyist projects and educational labs.

How do I change the waveform type?

Waveform selection is made via simple jumper settings on the module’s pins; refer to the included schematic for detailed wiring instructions.

What warranty does HiLetgo provide?

HiLetgo offers a standard one‑year warranty covering manufacturing defects, along with access to technical support for integration assistance.