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Hi, there i am using nrf51822 to communicate with quectel ec25 .i want to send AT commands over uart and receive some response from quectel.for eg. i am sending a "AT" command i should get "ok" response in return ... (more)
Since upgrading to nRF Connect on my IOS device the DFU won't reconnect to the BLE in the boot-loader after initiation from the application.
The device will migrate to the boot-loader and begin advertising but nRF connect doesn't ... (more)
We are able to interface nrf52822 with wiznet5500i.But We need help or how we will process further for mqtt AWS iot stack..
Hi There, i am new to nrf51822 and new to program this kind of controller.I searched over the website, I couldn't find a good introductory documentation for programming the nrf51822, specifically the nrf51-dk. i have two problems 1 ... (more)
i am using SDK v8.0
and in main function, initialization like this
err_code = bsp_init(BSP_INIT_LED | BSP_INIT_BUTTONS,
in advertising_start function, calling function is
err_code = bsp_indication_set(BSP_INDICATION_ADVERTISING);
this is working.
but i want like this ... (more)
Hi ,there i have tcrt1000 optical sensor wants to interface with nrf51822 so can anybody provide me the tutorial on this things with a code... cheers, Abhijeet
Has anyone ever used nf51 bluetooth with the app inventor?
I have values coming out of the microcontroller terminal. I want to send them to a mobile application using the app inventor.
But I do not know how to do ... (more)
Im currently using NRF21l01 (32 byte) however I need more bandwidth any suggestions?
hi, i want to advertise packet every interval of 5min. how can i start and stop advertise packet.
hi, i want to use 2 timer in my application and BLE continuous advertising. i'm able to do with NRF_TIMER2 and BLE continuous advertising and it's working fine. but when i add RTC0 part in my code, it ... (more)
I use the sdk 6.0.0 dfu, and want to update firmware with smart phone. So,which nrfconnect and mcp version matches the sdk 6.0.0?
hello there, i want to send and receive data using spi and i2c protocol and i am using nrf51422 .how to interface which pins should i use to make spi and i2c communication.
good help appriciated!!
I'm using a nRF51822 to send data to the iPhone using the NUS service. I'm using the oldest SDK4.x and v5.x S110 soft device. I know that the least connection interval for iOS 10 is ... (more)
Hi everyone !
We migrated a functional code from IAR to GCC compiler. But we got some trouble working it with GCC. The code compiles but it doesn't act properly with GCC(I use nRF UART for debugging, we didn ... (more)
How to subcontract in uart nus mode to ensure that each packet does not exceed 20 bytes and is sent as quickly as possible? The official demo must pass the special character ... (more)
According to here , pstorage_init should not be initialized twice.It links to another thread and the documentation which says the same but does not mention downfalls of doing so.
In my scenario, my error handler re-initialises the whole stack including ... (more)
i would like to know how gpio relate to gpiote,i go through some code and find out , that gpiote handles in,out,config registers that is handle by gpio also ,How it is happening ? so can any ...
What is the best way to handle error 0x3004 on ble_nus_string_send(...)?
The issue is that i use scheduler
I'm currently migrating from a functional code IAR to Eclipse GCC.
It compiles fine and I got the hex files.
However I have some troube to flash the application in the module. Indeed, when I'm using ... (more)
Hello, We have a setup where we connect an nrf51822 and an iphone.The nrf51822 connects to the iphone, notifies the data and disconnects roughly every minute.(This is done to save battery).Default battery capacity this way is roughly ... (more)
Hi, During testing I noticed rare BLE connection loses with Softdevice S110 when timeslot session is active. It is hard to catch them with sniffer due to rare behaviour. So the question is about ever known reasons of connection loses ... (more)
The device use SDK9.0,during the using of device,when disconnect the bluetooth of phone system sometimes,the system halted.
So I make an experiment about the probability of the situation happened,generated a android app: connect the device ... (more)
We are using system-off mode to save power in our device which uses nrf51822 chip. Our application requires regular wake-ups using RTC interrupts.
But the wake up is not happening since RTC is also off during system-off mode.
I use stack S110 V7.1.0 on nRF51822 (the device is a remote with 4 buttons). Currently the remote send advertising frame with the pressed button into the data, we would like to securise the connection.
1) I ... (more)
i need to reconfigure the WDT and also change the timer value in WDT. is it possible to do that.
i tried but i can not.
1.configured wdt with timer 5sec. 2.i had reconfigued wdt with timer ... (more)
How many concurrent connections can be made with NRF52840 at one time? How many broadcast connection or message it can receives at one time ?
I need PCB reference designs for NRF52840. Please could you guide me about it ?
Please check the file attached in the attachment section. I am trying to compare NRF52 series chip. Please correct me if I am wrong and please add the missing values of NRF52810 chip.
This table will be good help for ... (more)
I want to know what kind of antenna nordic recommend to use with NRF52 chips.
Please could you guide us about it. We are interested in some sort of table where we can check and compare the antenna sensitivity ... (more)
Using nrf51_8.0.0_API, I'm experiencing the function sd_flash_write returning the value NRF_ERROR_INTERNAL. As documented in nrf_soc.h, this error code can never be returned.
I'm using a testing software which periodically calls sd_flash_write. After a couple ... (more)