Lm386 audio amplifier
About the Lm386 audio amplifier PCB
Lm386 audio amplifier is an open source PCB design by baleshwarece-jpg, published on GitHub. It is a 2-layer board measuring 55 × 35.3 mm, with 12 components from 9 distinct parts.
Other key parts include the LM386. By type, the board carries 6 capacitors, 3 connectors, 1 IC and 1 resistor.
It belongs with the audio designs in this gallery.
From the project
30-Days-PCB-Design-Challenge
📁 Day 5 – LM386 Audio Amplifier PCB Design 🔊 Project Overview
This project focuses on designing an LM386 based Audio Amplifier PCB capable of amplifying weak audio signals into audible output through a speaker. The PCB was designed with proper component placement, routing, grounding, and filtering techniques to achieve stable and low-noise audio amplification.
Main components on the Lm386 audio amplifier
Lm386 audio amplifier bill of materials (BOM)
12 components, 9 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | LM386 | DIP-8_W7.62mm_LongPads | U1 |
| 1 | AudioJack3 | Jack_3.5mm_CUI_SJ1-3523N_Horizontal | J1 |
| 2 | Conn_01x02_Pin | PinHeader_1x02_P1.27mm_Vertical | J2, J3 |
| 1 | R_Potentiometer | Potentiometer_Alps_RK163_Single_Horizontal | RV1 |
| 3 | 10 | CP_Radial_D5.0mm_P2.50mm | C1, C3, C6 |
| 1 | 47n | C_Disc_D5.1mm_W3.2mm_P5.00mm | C2 |
| 1 | 220 | CP_Radial_D5.0mm_P2.50mm | C4 |
| 1 | 47 | CP_Radial_D5.0mm_P2.50mm | C5 |
| 1 | R | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R1 |
Lm386 audio amplifier design files
The KiCad project lives in the baleshwarece-jpg/PCB_PROJECTS repository on GitHub; these links point at the commit this page was built from.
Lm386 audio amplifier: common questions
How big is the Lm386 audio amplifier PCB?
The Lm386 audio amplifier measures 55 × 35.3 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Lm386 audio amplifier?
12 components, from 9 distinct parts. The full bill of materials is listed on this page.
Where can I download the Lm386 audio amplifier design files?
From the baleshwarece-jpg/PCB_PROJECTS repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the Lm386 audio amplifier design in my own project?
The repository has no license, so all rights stay with baleshwarece-jpg. Use it as a reference, and ask the author before reusing the design.
More boards in PCB_PROJECTS
74HC18
51.5 × 30 mm21 parts2LNo license0
Transformerless power supply
60 × 45 mm18 parts2LNo license0
WS2812B RGB LED Strip Driver
49 × 36 mm17 parts2LNo license0
Motorspeed control
70 × 40 mm15 parts2LNo license0
Audio day30
34 × 26.5 mm12 parts2LNo license0
Led batery indicator
80 × 20 mm12 parts2LNo license0
MCP23017 — 16-bit I²C GPIO Expander
33 × 50 mm11 parts2LNo license0
Discrete MOSFET H-Bridge
51 × 27 mm11 parts2LNo license0
Ac to dc
48 × 33.5 mm10 parts2LNo license0
AVR/ArduinoArduino nano breakout board
45 × 80 mm8 parts2LNo license0
Max7219
48 × 36.5 mm7 parts2LNo license0
Similar boards
KLOR
GEIGEIGEIST
160.2 × 118.3 mm79 parts2LGPL-3.01.2k
ButtonsLEDs
shanteacontrols
390 × 37 mm82 parts2LApache-2.0956
USB
52 × 12.6 mm6 parts2LApache-2.0956
Pots
390 × 93 mm75 parts2LApache-2.0956
PicoGUS Hand386
polpo
29.2 × 75.2 mm43 parts4LGPL-2.0800
Snark barker
schlae
231.1 × 106.7 mm193 parts2LNo license687