how to encrypt a code?(i will use my encrypted code to run the project and it will be public)
how to encrypt a code?(i will use my encrypted code to run the project and it will be public)
Zscary stuff
NOnly one hour until our event: Getting Started: Choosing the Right IoT Hardware Platform to Jumpstart Your Design
We’ll explore the top development boards and help you choose the best one for your next design.
We’ll cover the pros and cons of platforms like:
- BeagleBoard/Bone
- Arduino Portfolio
- Raspberry Pi
- Espressif
- Adafruit Ecosystems
Don’t miss it!
MHello @MCU, MPU & Firmware ,
Has anyone got a good guide for USB UAC 2?
Has anyone got a good guide for USB UAC 2?
MI have to create a sort of Audiorelay from my phone to a linux machine
My thought process was create a device with 2 USB port with UAC2 support where the 1 of the USB input gets connected to other port Output and vise versa
Other solution are welcome!
Cheers!
My thought process was create a device with 2 USB port with UAC2 support where the 1 of the USB input gets connected to other port Output and vise versa
Other solution are welcome!
Cheers!
MHello @Ming,
Do you know a way to make linux act as a USB Audio Device/peripheral for a USB Host? From which we can access the IO Audio stream from Host using gstreamer/pyaudio?
Do you know a way to make linux act as a USB Audio Device/peripheral for a USB Host? From which we can access the IO Audio stream from Host using gstreamer/pyaudio?
MWhile I haven't played with it, there is a
I found some instructions for the Pi https://www.hackster.io/masonrf/rpi-zero-2-w-audio-gadget-448a6a
If you don't have a Pi, I could help you build the device driver
g_audio device driver, which is a Linux USB Audio gadgetI found some instructions for the Pi https://www.hackster.io/masonrf/rpi-zero-2-w-audio-gadget-448a6a
If you don't have a Pi, I could help you build the device driver
Hackster.io
The basics of turning a Raspberry Pi Zero 2 W into a USB OTG audio interface using the Linux gadget g_audio driver. By Mason Fleck.
AI have a project on Arduino Uno with ESP-01 that I connected to Blynk. When changing the password and the name of the Wi-Fi network, I need to change the code... I want this to be done via the web. What should I do?
MOh,
This seems to be exactly what i wanted as a soln
I have rpi 4, WIll test this out and let you know,
This seems to be exactly what i wanted as a soln
I have rpi 4, WIll test this out and let you know,
MI totally forgot about OTG,
all this time, i was thinking on how will i fool a Host to think that rpi is a peripheral
all this time, i was thinking on how will i fool a Host to think that rpi is a peripheral
MU could a webserver from which u can input your desired passwd, save that as a variable
Then reset the AP mode and then begin AP mode with new passwd variable
Then reset the AP mode and then begin AP mode with new passwd variable
APlease can you send a video or article explaining this?
MArduino Forum
I am thinking more from a perspective if i want to produce such products in scale and volumes. I will not be able to sell it as-is. Each and every device has to have the n/w credentials hard coded. We will not be able to make it as a product, wherein you buy the programmed device and the user just plugs in and get started after setting their ow...
AThinks 
AI want to design an iot water quantity monitoring by esp32 that contains TDS, Turbidity, temperature, ph and water flow sensors. What parts and connections do you recommend and what additional parts do I need to build a complete system like this?
AWhat is the best IOT platform to do this project on?
UTo keep things simple in the beginning I'd suggest use ESP32 to interface sensors and manage WiFi capabilities. There are enough analog and digital pins to handle h/w interfaces. For sensor selection, you may need to research online to ensure that they serve the purpose (compare power consumption, nature of analog output, cost, handling complexity to achieve accuracy/calibration). As fas as IoT platform goes stay with Blynk which offers a web dashboard and mobile apps with multi-user access. There are also plenty of videos on YT to help you get started. Best wishes!
N
AI have a project connected to Arduino Uno with ESP-01 for Wi-Fi and it is controlled via the Blynk platform. I want to write the Wi-Fi network name and password externally via webserver and not inside the code. Is there a method, video, article, research or someone who can help me with this? I am in dire need of help.
JHi, greetings from Colombia
CWelcome Javier !
TWhat’s your story Javier? What brings you to DevHeads?
T@Middleware & OS @MCU, MPU & Firmware, we hope to see you at tomorrows Engineering Hour on FreeRTOS with @Umesh Lokhande .
Join in the community meeting platform or Engineering Hour stage channel at 1500 UTC (Sunday, September 29)
Join in the community meeting platform or Engineering Hour stage channel at 1500 UTC (Sunday, September 29)
BExcited to join
BDo we need a registration?
TYou can join in the Engineering Hour stage channel or sign up for an email reminder here: https://app.livestorm.co/devheads-community/devheads-weekly-office-hours-1/
DevHeads IoT Integration Server
PLEASE JOIN AS A SPEAKER IF YOU WANT TO PARTICIPATE IN THE DISCUSSION!Join DevHeads meetups to connect with other DevHeads and riff on a variety of topics for 30-60 minutes. Join here: https:...
R@kbrsi To allow you to configure the
Wi-Fi credentials for your ESP-01 module externally through a web server, instead of hardcoding them, you can use the WiFiManager library. This will allow users to input the Wi-Fi network name and password via a simple web interface. You can use this resources to guide you through the process:- https://github.com/tzapu/WiFiManager
- https://randomnerdtutorials.com/wifimanager-with-esp8266-autoconnect-custom-parameter-and-manage-your-ssid-and-password/
GitHub
ESP8266 WiFi Connection manager with web captive portal - tzapu/WiFiManager
Random Nerd Tutorials
In this guide you'll learn how to use WiFiManager with the ESP8266 board. WiFiManager allows you to connect your ESP8266 to different Access Points (AP) without having to hard-code and upload new code to your board. Additionally, you can also add custom parameters (variables) and manage multiple SSID connections.
TReminder @Event Pings that we'll be starting this week's Engineering Hour on FreeRTOS for Cortex-M with @Umesh Lokhande in about 40 minutes. There are now a couple ways you can participate:
- Joining in the event platform here: https://app.livestorm.co/devheads-community/devheads-weekly-office-hours-1/
- Hanging out in the Engineering Hour Stage Channel
AI have a project connected to the ESP32. The TDS sensor in it does not give correct values. It gives values of approximately 450 ppm for a liquid with a value of 940 ppm. What is the solution?
MDid you calibrate it?
AHow do I calibrate it, knowing that I entered the temperature value by connecting the max6675 sensor and used the code on this site for the tds sensor meter?
https://randomnerdtutorials.com/esp32-tds-water-quality-sensor/
https://randomnerdtutorials.com/esp32-tds-water-quality-sensor/
Random Nerd Tutorials
How to use TDS meter (Total Dissolved Solids) with the ESP32. A TDS meter indicates the total dissolved solids like salts, minerals, and metals, in a solution.
AI can't send the full code because I didn't open Discord features.
XHello, web dev here! I'm looking into learning about embedded programming and have decided that a simple RTOS from scratch would be my project. I have no interest in doing anything useful with the final product, the moment I get 80% - 95% of learning value I plan stopping and learning mech-eng. I have a RP 4 that would make for a good final boss but I don't know what to buy as a tutorial and any other equipment?
B@Xar like you need ideas ??
XYeah like what microprocessor and other stuff to buy
Bbut you don't have the project idea
XThe idea was to build an RTOS from scratch
MIf you really want to save money, you could try qemu
XGood to know, I do have a budget of $100 or so.
MQemu is free
MBut if you want a feel of real world hardware,
100$ is a decent to buy variety good amount.
You could start with a any STM32 NUCLEO Board
Preferrebly the stm32f0 or f4
There are cheaper alternatives like esp32
100$ is a decent to buy variety good amount.
You could start with a any STM32 NUCLEO Board
Preferrebly the stm32f0 or f4
There are cheaper alternatives like esp32
Zthey just took 20 yrs to land rtos features in linux, if you plan on building an RTOS its best to focus on micro controllers
XMicrocontrollers is the plan!
Zalso while ‘Making an RTOS’ might seem cooler you are better off ‘sending sensor data to a web dashboard’ which in itself is an iot project. Bonus points if you build everything from scratch (if its for learning purposes)
!check dm
XShould I also grab LEDs to simulate concurrency? Is there a nice kit someone could recommend?
MYou could show it in your serial port. LED are also good way
Get a led pack, resister pack, jumper wires and a breadboard
Get a led pack, resister pack, jumper wires and a breadboard
MHey @everyone, There has been a lot of talk about this, I'm sure you have heard about it, and
wanted to get your take—especially from those of you knee-deep in real-world dev work.
We keep hearing about the shift toward "safer by design" languages like Rust,
particularly in safety-critical software. I can’t help but wonder how much of that
translates to the day-to-day realities of embedded development in our cases.
Take Google’s Android team, for instance—they’ve ditched unsafe languages for new
code, switching to Rust, and they claim a significant drop in memory vulnerabilities as a result.
I do think that is impressive.
But for those of us who’ve been in the trenches with C/C++ for years, is this push for
safety really as transformative as it seems?
Or are we trading old problems for new challenges?
Do you actively think about moving to safer languages? What are the barriers or benefits in your experience? Are you open to it,
or is the idea of leaving C/C++ behind still a bit too wild?
Looking forward to hearing your thoughts!
wanted to get your take—especially from those of you knee-deep in real-world dev work.
We keep hearing about the shift toward "safer by design" languages like Rust,
particularly in safety-critical software. I can’t help but wonder how much of that
translates to the day-to-day realities of embedded development in our cases.
Take Google’s Android team, for instance—they’ve ditched unsafe languages for new
code, switching to Rust, and they claim a significant drop in memory vulnerabilities as a result.
I do think that is impressive.
But for those of us who’ve been in the trenches with C/C++ for years, is this push for
safety really as transformative as it seems?
Or are we trading old problems for new challenges?
Do you actively think about moving to safer languages? What are the barriers or benefits in your experience? Are you open to it,
or is the idea of leaving C/C++ behind still a bit too wild?
Looking forward to hearing your thoughts!
ZIsn't the answer here it depends, And also when teams switch I wonder like for android the code that is switching is the AOSP code not the applications right? I feel like @Ming and @ke7c2mi would have gone through enough to have an opinion on this. I on the other hand think its trading between dieties
TI don't think it's an either/or proposition. There's way too much installed C/C++ for it to 'go away'. In places where it makes sense, and you can realize efficiencies, people will use and learn Rust. But there are going to be multi-language devs and systems.
