---
product_id: 470876258
title: "HiLetgo 4pcs LM358 Weak Signal Voltage Amplifier Secondary Operational Amplifier Board Module Single Power Signal Collector 3.5-24V"
brand: "hiletgo"
price: "₨7581"
currency: LKR
in_stock: true
url: https://www.desertcart.lk/products/470876258-hiletgo-4pcs-lm358-weak-signal-voltage-amplifier-secondary-operational-amplifier
store_origin: LK
region: Sri Lanka
---

# 3.5-24V wide voltage range Amplifies ultra-weak millivolt signals Dual potentiometers for precise gain control HiLetgo 4pcs LM358 Weak Signal Voltage Amplifier Secondary Operational Amplifier Board Module Single Power Signal Collector 3.5-24V

**Brand:** hiletgo
**Price:** ₨7581
**Availability:** ✅ In Stock

## Summary

> ⚡ Amplify the faintest signals, own the data game!

## Quick Answers

- **What is this?** HiLetgo 4pcs LM358 Weak Signal Voltage Amplifier Secondary Operational Amplifier Board Module Single Power Signal Collector 3.5-24V by hiletgo
- **How much does it cost?** ₨7581 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.lk](https://www.desertcart.lk/products/470876258-hiletgo-4pcs-lm358-weak-signal-voltage-amplifier-secondary-operational-amplifier)

## Best For

- hiletgo enthusiasts

## Why This Product

- Trusted hiletgo brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Reliable LM358 Core:** Powered by the trusted LM358 dual op-amp for consistent, low-noise performance.
- • **Compact & Ready-to-Use:** Plug-and-play module designed for quick integration into your projects.
- • **Precision Gain Control:** Dual potentiometers let you fine-tune amplification for exact signal needs.
- • **Wide Voltage Compatibility:** Operates seamlessly from 3.5V to 24V, fitting diverse power setups.
- • **Ultra-Weak Signal Amplification:** Boosts signals as faint as millivolts, unlocking hidden data streams.

## Overview

The HiLetgo LM358 Weak Signal Amplifier Module is a compact, dual potentiometer-equipped board designed to amplify ultra-weak DC signals from 3.5V to 24V power sources, leveraging the reliable LM358 operational amplifier for precise, low-noise voltage amplification.

## Description

HiLetgo 4pcs LM358 Weak Signal Voltage Amplifier Secondary Operational Amplifier Board Module Single Power Signal Collector 3.5-24V

## Features

- LM358 Weak Signal Amplifier Voltage Amplifier 3.5-24V DC
- LM358 is the core two-stage operational amplifier, which can amplify DC weak signals.
- Two potentiometers on the board are rotated counterclockwise to increase the multiple.
- It amplify signals of millivolts or even weaker, and has two potentiometers to be rotated counterclockwise to increase the multiple.

## Product Details

- **Voltage:** 24 Volts
- **Manufacturer:** HiLetgo
- **Maximum Supply Voltage:** 24 Volts (DC)
- **Minimum Supply Voltage:** 3.5 Volts (DC)
- **Mounting Type:** Surface Mount

## Images

![HiLetgo 4pcs LM358 Weak Signal Voltage Amplifier Secondary Operational Amplifier Board Module Single Power Signal Collector 3.5-24V - Image 1](https://m.media-amazon.com/images/I/61fnkLaST9L.jpg)

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.lk/products/470876258-hiletgo-4pcs-lm358-weak-signal-voltage-amplifier-secondary-operational-amplifier](https://www.desertcart.lk/products/470876258-hiletgo-4pcs-lm358-weak-signal-voltage-amplifier-secondary-operational-amplifier)

---

*Product available on Desertcart Sri Lanka*
*Store origin: LK*
*Last updated: 2026-03-20*