What is ESP32 cam? ESP32 cam datasheet 2021

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What is ESP32 cam ESP32 cam datasheet 2021
What is ESP32 cam ESP32 cam datasheet 2021

As we all know that a unique variant of the ESP32 lineup called ESP32-CAM.

What is ESP32 CAM?

ESP32-CAM as its name suggests, ships with a built-in 2-megapixel camera, as well as a microSD card and provisions for using an external antenna.

What is ESP32 CAM?

On top of that, it also comes with library support to implement Face Recognition capabilities. Even with all these features, tinkerers still have access to several GPIO pins, Wi-Fi and Bluetooth.

Examine the ESP32 CAM

Capabilities all within the 10$ price point. Now let’s examine the ESP32-CAM board. First let’s take a look at the side of the ESP32-CAM which has the camera module.

If you have already experience with other ESP32 boards, the first thing that will stick out about this module is the fewer I/O pins. To be precise we only have access to 10 GPIO pins.

Another thing that you will note is the square white LED on the bottom of the module, this can act as a flash for illuminating the subject you are trying to view with the camera.

You can see that there is a Camera connector on to which the 2 megapixel camera is attached to. The camera connector is also known as FPC Connector. Thus it is to be noted that the camera itself is upgradable, if you have the right kind of connector.

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What is behind the camera module?

What is behind camera module esp32 cam

Behind the camera module, you can see the micro sd card slot, which is primarily used to store the images or video clips taken by the camera module.

More details about ESP32 cam

Another important thing  to note is that there are no micro USB ports on the board, so you can’t just connect it up to your computer and start loading programs. Instead you will need to add an external FTDI adapter.

Now if you turn over the board, you will see the ESP32 chip enclosed in its housing. It also has a connector for an external antenna, as well as an internal antenna that is etched onto the circuit board.

It also has a reset switch, a Voltage regulator IC, an LED and an external PSRAM, to facilitate the high RAM requirements for Camera Capabilities.

Now I will list some of the technical specifications of the ESP32-CAM Board other than the common features that an ESP32 Board may have.

It has 520 KB of SRAM and 4 MB os PSRAM It supports Wi-Fi image upload Built In Flash LEDÂ Upgradable Camera System In-built Micro SD Card Slot Image Transfer rate of 15 to 60 Frames per second External Antenna Connector for improved Range In-built Support for lwIP and FreeRTOS Face Enrolling & Facial Recognition Support.

Let’s dive deeper into the key feature of ESP32-CAM that is the Camera Features. Before we get into the software aspect of the camera enabled features, let’s look at the 2 Megapixel camera that comes with the board.

Camera sensor

Camera sensor esp32 cam

The camera sensor is called OV2640. The OV2640 is the popular camera chip and first ¼ inch 2MP camera sensor distributed across the world way back 2003.

This camera sensor chip is integrated with a compression engine that is suitable for small- or large-scale projects like embedded systems, object detections, toys, facial and recognitions, etc.

If you are thinking about upgrading your camera on the ESP32-CAM, the seamless options include, OV5640, OV7670.

These are officially supported by the ESP32-CAM Now lets learn about the software that is enabling the face recognition and detection features.

ESP32-CAM uses the ESP-WHO Library from Espressif to enable Face Detection and recognition. ESP-WHO supports development of face detection and recognition applications based around Espressif Systems’ ESP32 chip in the most convenient way.

With ESP-WHO, you can easily build up face detection- and recognition-featured applications, for instance: A coffee machine that brews coffee according to your taste preference by recognizing your face.

Home appliance that will shut  off the electricity automatically when unsupervised children are operating them That is all, folks.

Conclusion

In this article, we have talked about what is ESP32 CAM and ESP32 CAM datasheet. As we all know that a unique variant of ESP32 lineup is know as ESP32-CAM. We have discussed ESP32 CAM in details. Read this article fully to know about ESP32 CAM.

If you found this article helpful then please share this with your friends and family. If you have any queries related to this topic then please let us know in the comment section below.

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