I am trying to find out the part number of the antenna (I assume it is a PCB antenna) used in the nRF51 DK ( www.nordicsemi.com/.../nRF51-DK) . I found a lot of similar questions...
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I am using the NRF52 Development board, on Keil uVision, to implement a C program that uses Dynamic Structs. The Structs re-size themselves ( by increasing their capacity...
Hello,
I have an NRF51822 (redbealab ble nano) that I would like to use to count pulses in very low power mode.
Pulses are asynchronous
The rate of pulses can...
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I'm attempting to read a PT-100 sensor value that is part of a voltage divider using a nRF52.
Both the reference resistor and the PT-100 is sampled while the voltage...
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I have been searching the forums, but were not able to find an answer to my question.
I'm trying to sample 4 analog inputs on the nRF51-DK using the ADC hal. (SDK10...
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I have been trying to get two NRF24L01 chips communicate with each other since a week now, without much success. All what I can find on the net is Arduino examples using...
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I have done several projects with the nRF905. I know the device quite well. Normally I use the CD, AM and DR interrupt pins to determine the status of the device, my current...
I am using:
DK52
SDK 11
Softdevice S132 2.0.0
I have initialized my service as follows:
#define BLE_UUID_BASE_UUID {0x05, 0x00, 0x00, 0x00, 0x00, 0x00...
I migrate a project from keil to IAR, at the moment of bulding im facing this error:
arm_startup_nrf51.s
Error in command line: Invalid argument to option '-D'
Error...
We did initial work on the NRF51DK (PCA_10028).
We are using SDK 12 and ARM-GCC.
We were able to compile and run successfully the experimental_ble_app_blinky and connect...
I'm attempting to make a sense of app_gpiote.c (in SDK 11) to see if it's suitable for my application and I can't find a match between the documentation, the sample code and...
Hi,
I am trying to use app_timer (had this working in isolation like I wanted) and esb (also had this working by itself) in the same binary. They both implement SWI0_IRQHandler...
Using nRF51822.
I use external DCDC to supply concurrent 3.1V for VDD(PIN1).
Then I have no way to check bettery level.
So I connect battery and AIN4(p0.03) separately...
Hi,
This seems to be an issue that pops up often. However, I wasn't able to find an answer here in the Nordic forum.
What I have:
a number of vendor services ...
I'm trying to change the SD version number of a test-S132-file, soI can "see" that the DFU was successful in my app. I can already read the current version (from 0x300C in...
Does anyone had controlled LoRa module with nRF5x??
I have nRF51822(BLE400(PCA10001)), nRF52832(PCA10040) and Semtch SX1276RF1JAS.
I hope to control LoRa module using nRF...
Hello All,
I am looking for a stand alone small transmitter/receiver that can be powered from a watch battery with a range of at least 300m. Is any of the nordic solutions...
hi,
i am working on code which require to store data array of 20x20 to store in flash area using FDS or any other possibilities.
1)i confused with FDS concept. how i can...
Hi,
we are now in the second round of prototyping - we'd like to move away from the chip-antenna based design to a PCB antenna. We have come up with two different ideas...
Here
My device (chip nrf51822_xxAA) exist softdevice 8.0.3 and BLE uart application work fine which flash by the ST-link in Keil MDK(5.20).
Now I try to add bootloader to...
Hello
I've found your example in the dev-zone and migrate the project to SDK10 and will probably do the same for SDK11.
However, I've got a problem in my project. When...
hi,
i want to implement rtxos in my nrf52832 application. one of the nrf52832's feature is ARM Cortex -M4 32-bit processor with FPU, 64 MHz.
my question is, why the...
