Is ESP32-CAM Board with OV2640 Camera Compatible with Home Assistant (ESPHome)?

Verdict Badge

VERDICT: [ COMPATIBLE (MANUAL CONFIG REQUIRED) ]

Protocol: DVP Parallel / 3.3V

Bridge Needed: NO

Hardware Safety & Electrical Verification

Electrical parameters & logic voltage safety limits before powering ICs

🟢 3.3V Native Direct Hookup 🧪 Verified in Lab

Power Input 5V DC via USB-C / VBUS

GPIO Logic Voltage 3.3V Logic Level — Level Shifter Required for 5V peripherals

Current Profile Peak Tx Current: ~180mA to ~250mA @ 3.3V

Ingress Protection None (Exposed Board — Enclosure Required)

## Compatibility Overview

Popular low-cost ESP32 camera development board with OV2640 2MP CMOS camera sensor for video streaming in Home Assistant.

Interactive Pinout & Wiring Diagram

Hover over any pin to view voltage limits and pull-up specifications

VCC

3.3V Power

GND

Ground Common

SDA / TX

Data Line (GPIO 21)

SCL / RX

Clock Line (GPIO 22)

CS / INT

Chip Select (GPIO 19)

## Technical Specification Matrix

Feature / Attribute	Specification / Status
Hardware Protocol	DVP Parallel / 3.3V
Bridge Required	NO
Border Router Needed	None
Hardware Capabilities & Peripherals	Camera Motion Stream Flashlight LED Frame Rate Note: Exposing entities to Home Assistant requires corresponding YAML component config.
Pairing Complexity	Intermediate
Factory Reset Instruction	Connect GPIO0 to GND and press Reset button to enter serial flash mode.

## Step-by-Step Pairing Guide

Factory Reset Device

Connect GPIO0 to GND and press Reset button to enter serial flash mode.

Initialize Pairing Mode on Home Assistant (ESPHome)

Open Home Assistant (ESPHome) administration console, navigate to Integrations / Add Device, and start pairing scanner.

Confirm Entity Binding & State Verification

Verify that primary entities (Camera Motion Stream, Flashlight LED, Frame Rate) report live state changes inside Home Assistant (ESPHome).

Production Code Generator & Preset Toolkit

Pre-configured pinouts & drivers for ESP32-CAM Board with OV2640 Camera

SDA Pin: SCL Pin:

Test in Wokwi Simulator ↗ | Real-time pin binding active

👥 Community Verified Database Continuous hardware testing updates

Report a Pinout Error or Submit Tested Code Snippets

Found a pin mapping quirk or built a custom ESPHome YAML driver for ESP32-CAM Board with OV2640 Camera? Help us keep this matrix 100% accurate.

## Frequently Asked Questions

Does this device operate in Offline Mode?

100% local video stream processing over Wi-Fi.

What is the expected Battery Life & Power specification?

5V VCC input (requires stable 2A USB power supply).

How does Signal Mesh & Range Extension function?

Wi-Fi 802.11b/g/n.

Related Compatibility Matrix Guides

Wi-Fi (Local)