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...
Hi.
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...
Hi
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...
Hi
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...
how much time of keep level HIGH/LOW can make nRF51822 detected the HIGH/LOW level and generate an interrupt?
how width of impulse need to generate an interrupt?
Hi Team,
I was trying to load firmware to external board using nRF51-DK.
I have successfully programmed the boards many times and now when I am trying, LED (LD5) on nRF...
Hi all,
I downloaded the nrf51SDK_.8.0.0 from nordic site and tried to flash the new softdevice s110 but failed. I used an android application to flash it over the air...
Hi:
i use ble_app_uart project and want to change the UUID lenth(128 bit) to be 32 bit;but i change "nus_base_uuid" to be 4 byte and change "uuid128[16]" to be "uuid128[4...
Hi,
Does hardware that has already a Qualified design Listing (Bluetooth.org) requires re-testing of the RF-PHY ?
(refering to transmitter tests (i.e TRM-LE/CA/01/C (output...
Hi,
Im using a module NRF24L01 + LNA bought off ebay, connected it to msp430 via SPI interface. All spi communications are going solid, I manage to completely configure module...
I am trying to create a file and write to it during runtime. When I use fopen with "w" option to create a new file, the file pointer is always retuned to be NULL.
Is there...
Hi,
I recently tried SDK7.2 on PCA10028 board in order to make sure that SDK7.2 works well before I migrate my project to SDK7.2 codebase. My project code didn't work as...
Is it possible to do OTA from one nRF51822 to another? Is so how, and is not why?
I am using S120 and S130 for my applications and would like one device to uppgrade another...
Nordic has provided a good SPP implementation over BLE.
devzone.nordicsemi.com/.../
However, will it raise power consumption and cause BLE to lose its low-power characteristics...
When trying to do a direct advertise massage ( sd_ble_gap_adv_start ) I get error code NRF_ERROR_INVALID_STATE (Invalid state, operation disallowed in this state). This is...
Hi Team,
In my application UART is used.
I need to send parity bit based on particular responses that I need to send to the device
connected to UART.
Can I change configuration...
Hello,
I'm working with timeslot API (basing on github.com/.../observer) . I have an advertising and active scanning running concurrently. However, I want to completly...
I am using nRF51822 to generate 3K HZ PWM signal for a buzzer.
I read other people's question and try it.But as far i can't solve this issue.Please help.
At first i use...
