How to Make Your Own Flipper Zero | DIY Flipper Zero With ESP32
Summary
TLDRIn this DIY electronics tutorial, the creator unveils a homemade device inspired by the Flipper Zero, capable of listening to, analyzing, and emulating sub-gigahertz frequencies. The video details the construction process, showcasing the use of an ESP32 development board, a 433 MHz transmitter, and various components like an LED indicator, a switch, and a charging module. The creator also shares the schematics, code, and an Android app available on the Play Store for device interaction. The device is designed for hobbyists to clone and test RF signals, offering a practical yet affordable alternative to commercial products.
Takeaways
- 😀 The video discusses a homemade device that emulates the sub-gigahertz frequency capabilities of the Flipper Zero, focusing on its cloning and analysis features.
- 🛠️ The device is built using an ESP32 development board, which is the 'brain' of the project and has been featured in many of the creator's previous videos.
- 🔄 A 433 MHz transmitter and a 400 MHz receiver are utilized, with the option to choose a 315 MHz receiver for American users.
- 💡 An LED indicator and a switch are included for signal detection and device operation.
- 🔌 A step-up converter is used to convert voltage to 5 volts for powering the ESP32, and a charging module is integrated for battery management.
- 🔋 An 8650 battery is used to power the device, and a prototype board is mentioned for organizing components.
- 📦 The device is housed in a custom package, with a USB charging port, LED indicator, and power switch for convenience.
- 📷 Photos of the building process are shared, showing the assembly of components and the final product.
- 📝 The video shares the code written for the device, which can be uploaded to an ESP32 board to replicate the project.
- 📱 An Android app is created and published on the Play Store for communication with the device.
- 🔗 Links to the GitHub repository and libraries used are provided for those interested in the technical details and further development.
Q & A
What is the main purpose of the device discussed in the video?
-The device is designed to listen to and analyze sub-gigahertz frequencies, with the aim of cloning The Flipper Zero's functionality, particularly focusing on its ability to emulate these frequencies.
What features of the Flipper Zero does the device attempt to replicate?
-The device attempts to replicate the feature of listening to, analyzing, and emulating sub-gigahertz frequencies, which has garnered significant attention.
What is the 'brain' of the device?
-The 'brain' of the device is the ESP32 development board, which is central to its operation.
What components are used for transmitting and receiving frequencies?
-A transmitter operating at 433 megahertz and a receiver operating at 400 megahertz are used for transmitting and receiving frequencies, respectively.
How does the device indicate a signal detection or button press?
-An LED indicator is used to inform the user when a signal is detected or when the replay button is pressed.
What is the function of the Step Up converter in the device?
-The Step Up converter is used to convert the voltage to 5 volts, providing sufficient power for the ESP32.
How is the device powered and charged?
-The device is powered by an 8650 battery and features a charging module to charge the battery and protect it from overcharge and over-discharge.
What is the role of the USB connector in the device?
-The USB connector allows for easy charging of the battery and is connected with the charging module.
How can viewers access the code and schematics for the device?
-The code and schematics are shared in the video, and additional resources, including a GitHub repository and libraries, are provided for download.
What is the process for connecting the device to a phone?
-The device must be turned on, and then the phone is connected via Bluetooth. The user then accesses the app through the hamburger menu and selects '433 MHz Cloner'.
How does the device handle signal decoding?
-The device always tries to listen to a signal and decode it, even amidst environmental noise. However, it may not recognize all protocols due to the limitations of the RC switch Library.
Outlines
🛠️ DIY Sub-Gigahertz Frequency Analyzer and Cloner
This paragraph introduces a homemade device that emulates the functionality of the Flipper Zero, focusing on sub-gigahertz frequencies. The creator shares their journey from a prototype on a breadboard to a polished, product-like device. The device is built around an ESP32 development board and includes a 433 MHz transmitter, a receiver, an LED indicator, a switch, a step-up converter, a charging module, and a USB connector. The creator also mentions an Android app available on the Play Store for device interaction and plans to share the schematics and code for others to replicate the project. The call to action is to subscribe to the channel for more homemade gadget and tech-related content.
🔍 Building Process and Testing of the DIY Frequency Device
The second paragraph details the construction process of the device, from soldering components onto a prototype board to integrating them into a compact package. The creator desoldered the USB connector to save space and used jumper wires for a neater assembly. They also drilled holes for the USB connector and LED indicator and installed a power switch. After assembling, the device was tested for functionality, including connecting to it via Bluetooth and using an Android app to clone and emit 433 MHz signals. The creator acknowledges the limitations of the RC switch library used and suggests that with further research and development, the device could potentially decode a wider range of signals. Links to the GitHub repository and libraries are promised for those interested in the technical details.
👋 Conclusion and Future Engagement
In the concluding paragraph, the creator expresses gratitude for watching the video and hints at future content. They encourage viewers to look forward to the next videos, suggesting a series or ongoing project. The music in the background signifies a light-hearted and positive ending to the presentation. The creator reiterates their appreciation for the audience's support and interest in their work.
Mindmap
Keywords
💡Device
💡Flipper Zero
💡Sub-gigahertz frequencies
💡ESP32
💡Transmitter
💡Receiver
💡Schematic
💡Android App
💡Signal Emulation
💡DIY (Do It Yourself)
💡GitHub
Highlights
Introduction of a homemade device that emulates the functionality of the Flipper Zero, focusing on sub-gigahertz frequencies.
The device is designed to listen to, analyze, and clone sub-gigahertz frequencies, a feature that has garnered significant attention.
The creator shares the building process, including photos and code, enabling others to replicate the project using an ESP32 development board.
An Android application has been developed to communicate with the device, available for download on the Play Store.
A call to action for subscribers, emphasizing the importance of community support for the channel's content creation.
The device's brain is an ESP32 development board, which has been featured in numerous videos on the creator's channel.
Components used include a 433 MHz transmitter, a 400 MHz receiver, an LED indicator, a switch, a step-up converter, a charging module, and a USB connector.
A detailed explanation of the connections between the receiver, transmitter, LED indicator, and charging module to the ESP32 board.
The creation of a prototype board that consolidates all components into a compact, product-like package.
Inclusion of a USB charging port and power switch for ease of use and device control.
The device's ability to connect to a smartphone via Bluetooth, facilitating the use of the custom Android application.
Demonstration of the device's functionality with a frequency tester, showing successful signal reading and emulation.
Links to the GitHub repository are provided, including libraries used for programming and customizing the device.
A brief overview of the code, indicating its simplicity for those with basic programming knowledge to understand and modify.
Discussion on the limitations of the RC switch Library and the potential for users to improve it or use alternative methods for broader device compatibility.
The device's capability to decode approximately 60-70% of devices in the creator's area, highlighting its practical utility.
A closing statement expressing gratitude for viewership and anticipation for future video content.
Transcripts
foreign
and welcome to my new video in this
video I'm gonna be talking about the
device that I did in my last video so in
that video it was still in construction
it was still on a throttle board and in
this video I'm gonna show you how I did
this device so I converted everything
that you saw on the bench on the table
into this kind of more product looking
device if you haven't watched that video
so I I was talking about a device that
is able to listen to and analyze some
people first frequency and then try to
make a clone of The Flipper zero
obviously it doesn't have all the
features that the flipper zero offers
but it's got the feature that in my
opinion got a lot of attention by a lot
of people and an IDI also got my
attention that was the ability of
listening to and analyzing and emulating
sub gigahertz frequencies and this
device is able to do the same thing
so in this video I'm gonna show you the
building process I took some photos of
the building process and I'm gonna share
that with you also I'm gonna share the
code that I wrote so you will be able to
grab the code and upload to your esp32
development board and you will be able
to do the same thing as I did and also
I'm gonna share the application so I did
an Android app and I published it on
play store so you will be able to
download the app and use you know the
application and to communicate with that
with the board also I'm going to share
the schematics before starting with the
building process I would like to say
that if you like these types of videos
where I'm talking about homemade gadgets
electronics and Tech in general please
consider subscribing to my channel it
means a lot to me and it really helps me
and motivates me to configure you know
working exploring and sharing with you
everything that I'm gonna do in my free
time on this YouTube channel so thank
you for that so let's see what they've
done
so let's see the components that I used
the brain of this thing is the esp32
development board I've done a lot of
videos about this board so we can check
them out on my YouTube channel so this
is the transmitter it works on 433
megahertz frequency and I bought it
online the name of it will be on the
screen somewhere
this is the receiver it also works on a
400 literary megahertz frequency but you
can choose
315 option if you live in America and
everything will work as with this one an
LED to inform me when a signal is
detected or when we press on the replay
button and we emulate the signal a
switch to power up the gadget
Step Up converter in order to convert
the voltage to 5 volts so it will be
enough to power up the esp32
the charging module it charges the
battery and also it saves the battery
from overcharge and over discharge
a USB connector I wanted to have a
connector on the package in order to
easily uh you know charge the battery it
is connected with the charging module
[Music]
an 8650 battery
a prototype board after filming this
video I sell the need of using two of
them and kind of making you know
double-sided one
and this is the package that I used I
like it so I put everything that you saw
in this package you will see the results
later
this is the schematics
so the receiver is connected to the
esp32 this is the pins so VCC is
connected to the 3.3 volt uh pin of the
esp3 to ground to ground and the data
pin of the receiver is connected to the
second or the pin 2 of the ESP related
the transmitter VCC to a 3.3 volt ground
to ground and the data pin is connected
to the pin zero of the ESP internet the
LED indicator so the cattle of it is
connected to the ground and the anode is
connected to the pin 32. I didn't post
the connections of the charging modules
in the Step Up converter because they
are obvious I don't think that you're
gonna have any problems doing them
because everything is well written
I took some photos of our building
process I'm gonna show them I put all
the components on the product board and
I soldered them together following the
schematics that I showed you before I
put also the esp32 and it looks like a
shield after that I glued the
electronics on one side of the package I
decided to desolder the USB connector
from the type of converter in order to
save space just to be able to put it on
the package after that I soldered jumper
wires put everything together uh in the
package as you can see here
also I drilled some holes to be able to
put the USB connector and also the LED
indicator I end on the other side they
put a switch to be able to turn the
device on and off all the components
were here so I managed to kind of make a
product looking device as you can see
here
it has a USB charging port the LED is
here and as you can see
uh on the other side I've got a power
switch it's in my opinion ended up
great so and I'm satisfied with the
results
so let's test it out uh We've gotta turn
the device on
after turning the device on we've got to
connect our phone uh through Bluetooth
to the device
uh so I named it esp32 and after that
we've got a press on the hamburger
button and go to
433 markers cloner I've done also some
other exercises that you can find on my
channel so you can also access them
using the hamburger button and if I
press on the refresh data no current
error of data but if I press on the lock
button and also on the unlock button and
I'm gonna press on the refresh data
these are the codes that are currently
stored and let's test it out using my
frequency tester and as you can see we
can read the signal and it works without
any problem
[Music]
I'm also going to put some links about
this GitHub repo that I've got I also
put the libraries that I used you can
access them and download them and import
to your Arduino IDE
and this is the code that I wrote so I'm
not going to go into a lot of details
about the code so if you know just a
little bit about programming so
everything is I think simple so these
are some methods and some beef Clauses
and things like that so I think that
you're not going to have any problems
understanding it and changing to suit
your name
if for some reason you try to decode
your car remote or your garage remote or
whatever so and if you ended up not
being able to decode it maybe the RC
switch Library doesn't recognize the
protocol of the device you might find a
way so go to the GitHub frequency how we
can add your particle or maybe the code
that your you know device sends is too
big for the for the library
that's the reason uh so it's got kind of
pros and cons so flipper zero has an
option to press the button and in the
device starts listening to a signal but
this device always tries to listen to a
signal and decoded in that mass of you
know noise in the environment so the
developers of the RC switch Library did
a great job
so did an amazing job but they obviously
can't you know the code down every
single protocol that is used by a lot of
manufacturers of remotes and sensors and
different gadgets different modules and
probably if you do a little bit of
research and try to improve the library
or you know use some other methods
probably we're going to be able to uh
you know decode most of the devices but
I would say that this device is able to
you know the code enamel it maybe 60 70
percent of you know the devices that are
valuable here in my in my area so thank
you for watching that was everything
that I've got and I hope you liked this
video so thank you and we are gonna see
each other in one of our next videos so
bye bye
[Music]
thank you
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