1. Introduction
This manual provides detailed instructions for the FORIOT ESP32-CAM Development Board, which includes an OV2640 Camera Module, an 8dBi Dual-Band Antenna, and a multi-functional Type-C Tester. This integrated solution is designed for various IoT applications, remote monitoring, and digital testing. Please read this manual thoroughly before use to ensure proper operation and to maximize the device's capabilities.
2. Package Contents
Verify that all items listed below are included in your package:
- ESP32-CAM Development Board
- OV2640 Camera Module
- 8dBi Dual-Band Antenna
- 20CM IPEX to RP-SMA Pigtail Cable
- Type-C Tester

Image 2.1: Overview of the ESP32-CAM Development Board kit components, including the ESP32-CAM board, OV2640 camera, 8dBi antenna, pigtail cable, and Type-C tester.
3. Setup Instructions
Follow these steps to set up your ESP32-CAM Development Board and Type-C Tester:
3.1. Assembling the ESP32-CAM Module
- Connect the OV2640 Camera Module: Gently insert the ribbon cable of the OV2640 camera module into the camera connector on the ESP32-CAM board. Ensure the connection is secure and correctly oriented.
- Attach the External Antenna: Connect the 20CM IPEX to RP-SMA Pigtail Cable to the IPEX connector on the ESP32-CAM board. Then, screw the 8dBi Dual-Band Antenna onto the RP-SMA connector of the pigtail cable. This external antenna enhances Wi-Fi and Bluetooth signal strength.

Image 3.1: The ESP32-CAM board with the OV2640 camera module and external antenna connected via the pigtail cable.

Image 3.2: Close-up of the 8dBi Dual Band Antenna and the 20CM IPEX to RP-SMA Pigtail Cable.
3.2. Powering the ESP32-CAM and Initial Connection
- Connect Power: Connect the ESP32-CAM board to a power source using a Micro USB cable. A red LED on the board should illuminate, indicating power.
- Connect to Wi-Fi: On your smartphone or computer, navigate to your Wi-Fi settings. Locate and connect to the Wi-Fi network named "ESP32-CAM-MB". This is the access point created by the ESP32-CAM board.
- Access Web Interface: Open a web browser on your connected device and enter the IP address "192.168.4.1" into the address bar. This will open the ESP32-CAM's web interface, allowing you to view the camera feed and adjust settings.
Video 3.1: This video demonstrates connecting the ESP32-CAM to a Micro USB cable, connecting a smartphone to the "ESP32-CAM-MB" Wi-Fi network, and accessing the camera's web interface by entering the IP address 192.168.4.1 in a web browser. It then shows adjusting camera settings and viewing the live stream.
3.3. Using the Type-C Tester
The Type-C Tester is a standalone device that can be used to monitor various electrical parameters. Simply plug it into a Type-C power source or device to begin monitoring.

Image 3.3: The Type-C Tester showing its Type-C input and output interfaces, LCD display, ON/OFF button, and Mode button.
4. Operating Instructions
4.1. ESP32-CAM Web Interface Operation
Once connected to the ESP32-CAM's web interface (192.168.4.1), you can control various camera settings:
- Resolution: Adjust the image resolution (e.g., CIF, VGA, SVGA, XGA, SXGA, UXGA).
- Quality: Control the JPEG compression quality.
- Brightness, Contrast, Saturation: Fine-tune image appearance.
- Special Effect: Apply various image effects.
- AWB (Auto White Balance), AEC (Auto Exposure Control), AGC (Auto Gain Control): Enable or disable automatic adjustments for lighting conditions.
- Stream Control: Start or stop the video stream.
- Face Detection/Recognition: Enable advanced features if supported by the firmware.

Image 4.1: Pinout diagram for the ESP32-CAM board, detailing GPIO assignments and power connections.

Image 4.2: Front and back views of the ESP32-CAM board, showing the ESP32-S module, camera connector, and microSD card slot.
4.2. Type-C Tester Operation
The Type-C Tester provides real-time monitoring of various parameters:
- Voltage (V): Displays the current voltage.
- Current (A): Shows the current amperage.
- Power (W): Calculates the power consumption.
- Capacity (mAh/mWh): Accumulates charge and energy capacity over time.
- Timing: Measures the duration of the test.
- Temperature (°C/°F): Displays the device's operating temperature.
Use the Mode Button to cycle through different display screens or settings. The ON/OFF Button controls the tester's power.

Image 4.3: Examples of the Type-C Tester's LCD display, showing various measurement parameters and warning indicators for voltage and current thresholds.
5. Maintenance
To ensure the longevity and optimal performance of your FORIOT ESP32-CAM Development Board and Type-C Tester, follow these maintenance guidelines:
- Keep the devices clean and free from dust and debris. Use a soft, dry cloth for cleaning.
- Avoid exposing the devices to extreme temperatures, humidity, or direct sunlight.
- Handle the components gently, especially the camera module and antenna connectors, to prevent damage.
- Ensure proper ventilation when operating the ESP32-CAM for extended periods.
6. Troubleshooting
If you encounter issues with your device, refer to the following common problems and solutions:
- No Power/LED Not On:
- Ensure the Micro USB cable is securely connected to both the ESP32-CAM board and a working power source.
- Try a different Micro USB cable or power adapter.
- Cannot Connect to "ESP32-CAM-MB" Wi-Fi:
- Ensure the ESP32-CAM is powered on.
- Restart the ESP32-CAM by disconnecting and reconnecting power.
- Check if other Wi-Fi networks are interfering. Try connecting in a less congested area.
- Cannot Access Web Interface (192.168.4.1):
- Verify that your device is successfully connected to the "ESP32-CAM-MB" Wi-Fi network.
- Double-check the IP address for typos.
- Try clearing your browser's cache or using a different browser.
- No Camera Feed/Black Screen:
- Ensure the OV2640 camera module's ribbon cable is correctly and securely inserted into its connector on the ESP32-CAM board.
- Restart the ESP32-CAM.
- Type-C Tester Display Not Working:
- Ensure the tester is properly connected to a Type-C power source or device.
- Check the ON/OFF button.
7. Specifications
Detailed technical specifications for the FORIOT ESP32-CAM Development Board and Type-C Tester:
7.1. ESP32-CAM Development Board
- Processor: Espressif ESP32-S
- Connectivity: Wi-Fi (802.11ax), Bluetooth
- Camera Module: OV2640 (2MP)
- Antenna: External 8dBi Dual-Band Antenna with 20CM IPEX to RP-SMA Pigtail Cable
- Operating System: Linux compatible
- RAM: DDR4
7.2. 8dBi Dual Band Antenna
| Parameter | Value |
|---|---|
| Antenna Color | Black |
| Input Connector | SMA MALE |
| Cable Length | 158mm / 6.22inch |
| Working Temperature | -40°~85°C / -40°~185°F |
| Working Humidity | 20%~80% |
| Frequency Range | 2400~2500MHz / 5100~5800MHz |
| VSWR | ≤2.0 |
| Gain | 8 dBi |
| Input Impedance | 50Ω |
| Maximum Input Power | 50W |

Image 7.1: The 8dBi Dual Band Antenna shown alongside its detailed technical specifications.
7.3. Type-C Tester
| Parameter | Value |
|---|---|
| Voltage measurement range | DC 4.5-36V |
| Current measurement range | 0-8A |
| Capacity accumulation range | 0-99999mAh |
| Power accumulation range | 0-99999mWh |
| Power measurement range | 0-150W |
| Impedance measurement range | 1-999.9Ω |
| Temperature measurement range | 0-80°C |
| Timing time | 999 hours and 59 minutes |
| Input interface | 5A high current Type-C interface |
| Output interface | Type-C |
| USB D+ voltage range | 0~2.99V |
| USB D- voltage range | 0~2.99V |
| Refresh time | >500mS/time |
| Measurement rate | About 0.5 times/second |
| Display | IPS true color digital LCD screen |
| Self-consumption current | <0.02A |
| Operating Temperature | -10~60°C |
| Working humidity | 10-80%RH (no condensation) |
| Working air pressure | 80-106kPa |
| Product size | 73.6*27*11mm |

Image 7.2: Detailed product parameters for the Type-C Tester, including measurement ranges and operating conditions.

Image 7.3: Dimensions of the Type-C Tester, showing length, width, and thickness measurements.
8. Warranty and Support
For warranty information and technical support, please refer to the seller's policies or contact the manufacturer directly. Keep your proof of purchase for any warranty claims.
For further assistance, please visit the FORIOT store on Amazon or contact their customer service.