I will create esp32 voice recorder with sd storage wifi ap and file manager

United Kingdom

I speak English, French, German

PCB Design and Embedded Systems Specialist

HELLO, i'm Charles Keefer, a dedicated PCB Design and Embedded Systems Specialist helping startups and companies transform ideas into production ready electronic products. I deliver reliable, optimize...
About this Gig

HELLO AND WELCOME,

Create ESP32 Voice Recorder with SD Storage, WiFi AP and File Manager

Looking for a professional engineer to develop a custom ESP32 voice recorder with SD card storage and wireless file access? I design complete embedded hardware and firmware solutions for voice recording devices, portable audio products, IoT recorders, and smart embedded systems tailored to your requirements.


What I offer

  • ESP32 voice recorder hardware design
  • Custom PCB schematic and layout
  • SD card audio storage integration
  • WiFi AP with web file manager
  • Microphone and audio circuit integration
  • Embedded firmware development
  • Battery and power management design
  • Gerber, BOM, and manufacturing files


Why choose me?

I focus on reliable embedded designs, clean PCB layouts, optimized firmware, and production ready documentation with clear communication throughout your project.


Contact me before placing an order and let's build a custom ESP32 voice recording device that matches your exact hardware and firmware requirements.

Specialization:

Circuit design

Schematics

Layout

Simulations

File format:

Gerber

STEP

BRD

SCH

PDF

Software:

Altium Designer

Cadence OrCAD

EasyEDA

KiCad

LTspice

Interface:

HDMI

MIPI DSI/CSI

I2S

UART

USB

SPI

I2C

SDIO

PCIe

Wi-Fi

BLE