LM3915N DIP-18 IC Chip — Perfect for DIY Electronic Projects

The LM3915N DIP-18 integrated circuit chip is a classic, versatile component trusted by electronics hobbyists, engineers, and makers. Housed in the standard 18-pin DIP (Dual In-line Package) format, this IC is widely used for LED bar/dot display drivers, audio level meters, voltage indicators, and a wide range of DIY electronic projects. Whether you're building a VU meter, a battery level indicator, or any signal-strength display circuit, the LM3915N is a go-to choice for reliable analog-to-display-driver performance.

Key Features

Package: DIP-18 (Dual In-line Package, 18 pins) — compatible with standard breadboards and PCB sockets
Type: Analog IC / LED Bar Graph Driver / Voltage Level Indicator
Condition: Brand new, original
Application: Ideal for computers, microcontroller projects, audio equipment, test instruments, and hobbyist circuits
Quantity Options: Available as a single unit (1pc) or a value pack (5pcs) — great for prototyping or stocking your component drawer
Customizable: Suitable for custom circuit designs and bespoke electronic builds

What Is the LM3915N Used For?

The LM3915N drives up to 10 LEDs with a logarithmic (dB) scale, making it especially popular for audio VU meters, signal strength displays, and power level indicators. Its simple external component requirements mean you can get a working display circuit running quickly on a breadboard or custom PCB. It's a staple in electronics labs, maker spaces, and hobbyist workbenches worldwide.

Specifications

Part Number	LM3915N
Package	DIP-18
Condition	New / Original
Application	Computer, Audio, DIY Electronics, Microcontroller Projects
Quantity	1pc or 5pcs (select option)

Why Choose This IC?

✅ Genuine, new-condition component — not refurbished or pulled
✅ Standard DIP footprint fits all common breadboards, IC sockets, and through-hole PCBs
✅ Well-documented, widely supported — datasheets and reference circuits are plentiful
✅ Available in single or 5-pack quantities to suit your project needs
✅ Great value for prototyping, teaching, or building finished electronic projects

Build More — Explore Related Components

Pair this IC with other components from our store to complete your projects:

Round Aluminum Wire 1mm–3mm | DIY Jewelry Making Wire — handy for custom enclosures and decorative wiring
4/6mm CCB Flat Round Spacer Beads DIY Jewelry Making 100-200pcs — useful for panel mounting and cable management accents

Learn more: EPA guidance on lithium-ion battery handling

Frequently Asked Questions

Q: What does the LM3915N DIP-18 IC chip do in an electronic project?

A: The LM3915N is an analog IC designed to drive up to 10 LEDs in either a bar or dot display mode, following a logarithmic (dB) scale. It is most commonly used in audio VU meters, battery level indicators, signal strength displays, and any application where you need a visual representation of an analog voltage level. Its DIP-18 package makes it easy to use on breadboards and standard through-hole PCBs.

Q: What is the difference between the 1pc and 5pcs quantity options?

A: The 1pc option is ideal if you need a single chip for a specific project or to replace a component. The 5pcs value pack is perfect for prototyping multiple circuit iterations, classroom or workshop use, or simply keeping spares on hand. Both options ship brand new, original LM3915N chips in DIP-18 packaging.

Q: Is the LM3915N DIP-18 compatible with standard breadboards and IC sockets?

A: Yes. The DIP-18 (Dual In-line Package, 18 pins) form factor is one of the most universally compatible through-hole IC packages. It fits directly into standard 0.1" pitch breadboards, 18-pin IC sockets, and through-hole PCB footprints without any adapters required.

Q: Can I use the LM3915N for audio level meter (VU meter) projects?

A: Absolutely. The LM3915N is one of the most popular ICs for building audio VU meters and level displays because its internal logarithmic resistor ladder produces a perceptually even scale across its 10 LED outputs — closely matching how human hearing perceives sound levels. Minimal external components are needed to build a fully functional audio level display.

Production & Packaging Notice

To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.