First time here? Check out the Tour!
I have an arduino mega based design working with nrf24L01+ via SPI. As certification is the next step, I found a NRF52832 based module that would meet all certification requirements. Is it possible to just drop that module in and ... (more)
The board which I have shows only 1 LED glowing on start up. LED 1 is not blinking. Should I have to change the board?
I’m getting an LMP Response Timeout disconnect reason about 50% of the time when trying to get the nRFConnect App running on either an Android Pixel or iPhone 7 (running the latest OS versions) to connect to the pca10040 ... (more)
Hi there, I need to add more the function based on Bluetooth, and I need the better security of the function. However, I do not want others read flash data freely and I hope only through my certification could the ... (more)
The design I'm working on will tentatively use "Original SPI" (like "Original Coke" ...), so I started cutting up the QSPI bridges to disconnect DIO2 and DIO3 (which are also other things ...) prior to pulling them up to Vcc.
Has ... (more)
Hi, I'm not sure if this forum support that board but if YES, can You explain how to upload some program on that board. I think that process is little bit different that on original board. Thanks.
I am currently working on nordic PDK. And I am interested in flashing nRF52840 through FTDI SWD interface. I want to know whether it is possible?
If yes, what will be the process of flashing through FTDI to nRF52840 ... (more)
I am using nrf52832 BLE chip(10040), sdk 12.2, softdevice s132 with sample example boot-loader code(dual bank).
I modified the boot-loader code for button-less DFU.
The dfu failed with remote dfu error ie remote dfu insufficient resources.
Please ... (more)
I am experimenting with the DFU to switch between SDK versions from SDK12 to SDK13 and SDK13 to SDK12
Is it possible if I send a whole imagen of SD+BL+APP to switch between SD12+BL12+app12 ... (more)
Hey, Just had a quick question... I was doing the Relay example and I don't totally understand what a "relay" is. Can you explain what the purpose and usage of relay is for?
On the same note, if my ... (more)
Our project uses a Raspberry Pi compute module 3 connected via UART to 2 nRF51822. I'll go through what is working and than describe the issues I'm having
What's going on without issues:
I'm studying how to control mouse and keyboard via HID with nRF24LU1+ module referring to firmware of nAN-22.
Even though I set Descriptor as appropriate for mouse and send dates to USB, it has no response. I have ... (more)
From what i found out there isn't, but maybe i am blind..
Hello, I get the
"ERROR: The --family option given with the command (or the default from nrfjprog. ini)
ERROR: does not match the device connected."
message after entering pretty much any command, erase, program etc., for example, this one:
nrfjprog ... (more)
Hi, I have recently acquire a nRF52840 preview development board to prototype a USB MSD. With the example provided in the SDK V13, I tested the write speed and it was far from usable.
I am not sure if it ... (more)
I would like to know what the default value is for the radio TX power for the nRF5240. According to Nordic's specification, the output power is programmable from +8 dBm to -20 dBm. I see there is ... (more)
I'm trying to use an existing NRF51822 mbed codebase on a new NRF52832 product and am having some issues.
First of all, it seems that I can't use mbedlib, but need to update to mbed-os because BLE ... (more)
Hi, I want to interface BLE module with freeRTOS. Does nordic provide BLE stack for freeRTOS? and if yes then is it opensource? or is there any standard BLE stack which can be modified to work with freeRTOS and BLE51822?
It appears that I must use S134 and S140 etc. Is it backward compatible? By that I mean I keep using S110/120 at the cost of not being able to utilize some of the latest feature?
hi, i need to do long process and more flow of functionality that all could stopped by softdevice. so i need to enable and disable soft device. could it could affect my timer2, RTC1,UART0,Pstorage_nosd.c?
please help me any one
here i have use block size 16 byte and block count 5096. this is my start address 0x27000
i have tried to clear 79 pages.
and read data from flash with specific block.
write data to flash memory.
it ... (more)
i could not run timer2 with soft device,. if i start initiaize TIMER2 the bluetooth advertise has disabled. i need this timer to timeout my flow function. i think softdevice has stopped my function. my execution timeslot is high compare ... (more)
I am getting result code 3 after app_twi_schedule in the call back. What does that mean? Thanks Paul
Hello, Help me, please.
I am testing ble_app_uart. Softdevice is S130 and SDK is nRF5_SDK_12.2.0_f012efa.
My development board is Waveshare's NRF51822 Eval Kit.
When I test the ble_app_uart firmware, I cannot send more than 278 packets to ... (more)
I do not know the BLE Event(DFU bootLoader/SDK Sample) so I will ask you a question.
The environment using is below.
SDK v10.0.0 (Sample code/dfu_transport_ble.c)
SoftDevice S110&S120(v8.0.0?&v2.1 ... (more)
So far I have been using the examples from Keil 5 pack installer. Now I tried loading some from the SDK example folder and I have issues with includes. What do I need to adjust to have those includes ... (more)
Currently I am using the NRF52 device to connect with a custom peripheral. The current goal I am trying to reach is toggling an LED by sending the command 0x8900 through Service UUID 0x0001 with Characterisic ID 0x0002.
This is ... (more)
I'm developing an accurate and low drift millisecond-resolution timer on the NRF52. I'm limited to the resources on the NRF52 itself. Details of the system:
How to prgram nRF beacon kit as peripheral with KEIL and nRF DK52. I cannot see the beacon kit to be programmed. KEIL says DLL error. Please let me know thw KEIL settings to see the beacon as a device
I've seen that SDK 12.3.0 contains a new version of the application sample using the Eddystone protocol for BLE. I would like to know if this version is compatible with nRF51 chips as it was said ... (more)