I am react js developer. I was trying to integrate zigbee2mqtt in my personal project.so, I was look
I am react js developer. I was trying to integrate zigbee2mqtt in my personal project.so, I was looking to learn more about mqtt,zigbee etc.
DHi all, may I know how is the callback function related to event-driven programming ?
THey @saikumarnowdu, we’re starting some demos related to MQTT topic structures, etc. so keep an eye out for that on Wednesday. As for ZigBee, some of the devs like @Aditya thakekar and @Umesh Lokhande may be able to provide insights given a specific question…
Let us know how we can help.
Let us know how we can help.
T@Marvee Amasi can field this one ..
AWhat is the application with react?
S@wafa_athmani thanks a lot and I will be in chat with u if I have any.....
S@sarath chandra Welcome! Can you let us know a bit about your technical background, what brings you to DevHeads, and what you're looking to learn/contribute?!
S@udhayadhithan Welcome! Can you let us know a bit about your technical background, what brings you to DevHeads, and what you're looking to learn/contribute?!
UHi guys.. I am udhay. I have my technical background in embedded systems. I love doing hobby projects which combine the interdisciplinary of software, hardware and mechanical design. I am quite good with STM32 microcontrollers especially cortex M4 and M4. I have predominantly worked with the dual core architecture of ST's H7. I would like to get my hands on ESP32 and that's when I found DevHeads. I would like to learn more about it from fellow Engineers. I am quite good in understanding peripherals and writing firmware for it.. so I can contribute in that way to this community. Here is my LinkedIn id.. please feel free to reach out 
if you need anything.
https://www.linkedin.com/in/paudhay?utm_source=share&utm_campaign=share_via&utm_content=profile&utm_medium=android_app
if you need anything.https://www.linkedin.com/in/paudhay?utm_source=share&utm_campaign=share_via&utm_content=profile&utm_medium=android_app
S@udhayadhithan Welcome! Can you let us know a bit about your technical background, what brings you to DevHeads, and what you're looking to learn/contribute?!
STlots of ESP32 chops here, @udhayadhithan and we're excited to have your firmware experience in server as there's never enough of that. Tell me, have you done much if any work with TrustZone?
TAnd welcome 
YI want a function x to be executed on core 0 and function Y to be executed on core 1
S@JuanPG-Sendos Welcome! Can you let us know a bit about your technical background, what brings you to DevHeads, and what you're looking to learn/contribute?!
S@jperezoso. Welcome! Can you let us know a bit about your technical background, what brings you to DevHeads, and what you're looking to learn/contribute?!
AHi everyone, does anyone know how I can calculate the maximum weight can 4 brushless motors can lift in a flight
JHi, I am a research engineer looking to connect many ESP32 working as dataloggers in the same location to a local IOT Webserver. Anyone has tips on how to proceed?
S@jperezoso. Welcome! Can you let us know a bit about your technical background, what brings you to DevHeads, and what you're looking to learn/contribute?!
JHI, I am an electrical engineer looking to learn more on how to program ESP32 for comunnications and IOT. I am very interested in learning how to create a local server on a computer of some kind and also in creating PCBs with ESP32 integraten inside (without through-hole soldering, only smt/smd)
B@aymen ammari Fix the motor on a scale and attach propellers to it. Then, set the throttle to maximum. You will get the maximum weight supported by one motor. Simply multiply this weight by four.
UHi techielew.. unfortunately I haven't worked on the security aspects.. so haven't touched the trustzone.. are you working in it??
MOf course @kingrom in event-driven programming, a callback function is associated with an event handler. When an event occurs, maybe a user clicking a button or data being received from a network, the associated callback function is called to handle that event. This allows for asynchronous (non-blocking) execution, as the program can continue running while waiting for events to occur. Functions play an important role in event-driven programming by defining the behavior that should happen in response to that specific event
WHello everyone, i need to control lighting remotely from a distance of 5km without using a GSM model.
Can u suggest an affordable solution...
Can u suggest an affordable solution...
ASo the rotation should be in reverse? It pushes down to the scale right?
AYou can use LORA WAN module
JSo I guess this wouldn't solve your 5km challenge @wafa_athmani, but made me think of the RONJA (Reasonable Optical Near Joint Access) device/communication method https://en.wikipedia.org/wiki/RONJA
Basically it shoots a laser from one device to the other for a communication range of just under a mile at 10 Mbit/s. So how I would imaging a tightbeam comms device would work from The Expanse, though you'd have to consider a LOT more factors with that kind of distance/speed. But who knows, maybe it could spark another idea?
Basically it shoots a laser from one device to the other for a communication range of just under a mile at 10 Mbit/s. So how I would imaging a tightbeam comms device would work from The Expanse, though you'd have to consider a LOT more factors with that kind of distance/speed. But who knows, maybe it could spark another idea?
RONJA (Reasonable Optical Near Joint Access) is a free-space optical communication system originating in the Czech Republic, developed by Karel Kulhavý of Twibright Labs and released in 2001. It transmits data wirelessly using beams of light. Ronja can be used to create a 10 Mbit/s full of duplex Ethernet point-to-point link. It has been estimat...
S@silvian Welcome! Can you let us know a bit about your technical background, what brings you to DevHeads, and what you're looking to learn/contribute?!
S@Hendrix Ebrudu | Nigeria Welcome! Can you let us know a bit about your technical background, what brings you to DevHeads, and what you're looking to learn/contribute?!
MSo guys I'm using ZeroMQ for inter-process communication in my application. I have two separate processes running on the same machine, each with their own ZeroMQ endpoint. When I try to send messages from one process to the other, I'm noticing that some messages are not being received by the receiving process. Both endpoints are bound to the same protocol, address, and port. I've checked for common issues like incorrect socket types and binding conflicts, but I'm still experiencing the problem intermittently. What are some potential causes for messages not being delivered, and what steps can I take to effectively diagnose and resolve this issue? Please any assistance?
WActually this is very interesting method.. i will take a look on it , thank you so much
JThe issue of messages not being delivered in ZeroMQ could be caused by various factors such as network congestion, incorrect socket configurations, or a mismatch in socket types between the sender and receiver. To troubleshoot, ensure that both endpoints are using compatible socket types (e.g., PUB/SUB, REQ/REP), check for any network issues or firewall settings blocking communication, and verify that both processes are actively listening for incoming messages. Additionally, logging message send and receive events can help identify any patterns or inconsistencies in message delivery.
KHi guys,
I arrived in China today. Got through the border control with the first batch of Beetle Boards. Wasn't straightforward though. Look:
I arrived in China today. Got through the border control with the first batch of Beetle Boards. Wasn't straightforward though. Look:
K
KHahahaha
KBorder control asked me to open one
AThey look like something.. Lol
K
KThis is what they look like if not wrapped up in plastic foil.
KBut yeah ... wrapped up in plastic foil, the Beetle Boards look suspicious 
ANow they look well organised and well manufactured
KThanks @aymen ammari
KTalk to Brandon if you want one
KHe's doing the distribution in the DevHeads community for us
AYeah I want
K
AOk ok
KGreat
KSoftware to program this board is of course Embeetle IDE
ACan you send the link to download it
K
