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...
My application is doing kind of old communication with an old machine.
Communication line is bit banged by an GPIO. Baud rate is 0.5ms.
"Start bit" is still used to synchronized...
Hi,
I use nRF52832 with sdk 12.2.
and I running the ble_app_hrs_c example code on pca10040 evb.
I can scan many hr devices but polar h7 heart rate not.
I check Iphone...
Hi I use nRF52832 and move my project to SDK13.
I want to use debug mode in keil-c and try to find after ble_db_discovery_start function call why no csc_c_evt_handler_t call...
I'm working on an OTA firmware update process, using my own bootloader and application. To understand the process' limitations, I need to know to what extent one can update...
hello everyone:
how many timers can i open in nrf51822(QFAA) with SDK9.0? the APP_TIMER_MAX_TIMERS's max value
#define APP_TIMER_MAX_TIMERS 13 /**< Maximum number of...
Hello,
I am referring to this link
www.nordicsemi.com/.../3rd-Party-Bluetooth-low-energy-Modules
and I am referring to Xuntong PTR5518 11 15x15x2mm PCB China product...
I see BLE_GAP_EVT_SEC_PARAMS_REQUEST generated from SD. How to call this request for pairing state?
I can't find any peer manager in the project.
Explane, pls.
Following is a simple application that I have created. It has no softdevice and the configuration is very similar to blinky freeRTOS example.
Source code:
main.c
...
Hello ,
I'm working on custom board, I'm trying to disconnect from the Central (Andriod app) when the battery is below certain level and stop re-advertising.
Below is...
In s130 Soft device v2.0 document, it says it can have role with up to 8 Role concurrent with Central, Pheripheral, Advertiser, Observer.
I'm not sure i've understand all...
Hello. I'm using nRF52832, PCA10040, SDK13, S132 and "ble_app_uart" as reference.
When I connected board through by bluetooth, I couldn't see notification message which...
Hello,
According to the nRF Sniffer Guide 1.2, the sniffer is supported on a number of platforms (nRF51822/nRF51422 Evaluation Kits and others). All of them (as far as...
I am working on a project where my nrf51822 is on for long periods of time in lower power mode. Yesterday I made some updates to the code and the devices were working fine...
Hi Nordic team,
I print logs at each function in ble_bas.c. I used the App of nRF connect to test BAS. I can see on_connect, on_disconnect and on_write at enabling/disabling...
Hi,
The spec(nRF52832_PS_v1.3.pdf) said the peak current of TX/RX is 5.3/5.4 mA.
However, I use the PCA10040 board and the ble_app_template(SDK 12.2.0) sample code...