Build an ESP32-CAM Developers Module with Power Supply

Build an ESP32-CAM Developers Module with Power Supply

This easy-to-build Developers Module simplifies working with the ESP32-CAM and also provides a useful portable power supply for all your experiments.

This easy-to-build Developers Module simplifies working with the ESP32-CAM and also provides a useful portable power supply for all your experiments.

Today I’m building a project, an ESP32-CAM Developers Module. This handy contraption allows me to easily work with and program an ESP32-CAM module, without all the tangle of wires usually involved. It also provides a portable power supply that allows me to use the ESP32-CAM just about anywhere, and it even eliminates the dreaded “Blackout” condition messages!

I actually built this while filming another ESP32-CAM video, which you’ll be seeing soon. I love the inexpensive ESP32-CAM module, but experimenting with it presents a number of difficulties:

  • The Reset switch is on the BOTTOM of the module, meaning you have no access to it on a solderless breadboard. And you need to have access to it.

  • Even if you do get it onto a breadboard it eats up a lot of the pins. There is only space left for one connection to each module pin.

  • You need to ground the GPIO IO0 pin when programming the module.

  • Speaking of programming, you need an external FTDI adapter to program the module, or to use the serial monitor.

  • If you don’t have enough current to get the radio started for Bluetooth or WiFi you’ll receive a “Brownout” error message. This is not unique to the “CAM” module, it’s an issue with most ESP32 modules.

  • If you add an external antenna it becomes even more awkward to experiment with this module.

I ended up building this little project, which I’m presenting to you as a useful way of working with the ESP32-CAM.

Here is the Table of Contents for today's video:

00:00 - Introduction 03:48 - ESP32-CAM Prototyping Issues 06:40 - Development Module Features 13:51 - Module Parts Required 18:50 - Module Schematic 24:43 - Module Construction 30:50 - Building the Power Supply Base 37:58 - Testing the Power Supply 40:13 - Testing the Developers Module



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