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...
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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...
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I've got two Rigado development boards that I'm programming with KEIL uvision 5. I've tried a few examples, for example: blinky, which program and work fine...
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I want to clarify the exact meaning of the carrier test or unmodulated signal in DTM.
In carrier test mode, DUT transmits 0xFFF....FFF which means all one pattern...
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For my project I need to measure the battery voltage while transmitting data to get a good indication of the battery capacity. I've found an old example ( link text...
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nRF24L01 seems like a perfect choice for home automation project that I have in mind .. I will have to install about 20 of those around the house.
My question is...
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I'm working on the bootloader using SDK13.1. In the file dfu_req_handling.c there is a variable called m_flash_operations_pending that gets incremented with every...
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I am very new to this, I am looking to put a video or flash player or another image to to load into my nRF51822 beacon kit. I am thinking the straightaway method would...
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I am working with ble_app_uart code, in that I am trying to configure different baud rates like 9600,38400 and 57600. With these baud rates I am not getting any issues...
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sd_ble_gattc_primary_services_discover() is being called from ble_db_discovery_start() within ble_db_discovery.c. I'm trying to get the ble_cts_c service working. It...
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I am receiving INVALID_STATE (error code 8) from ble_db_discovery_start. According to documentation, this error can be returned "If this function is called without calling...
Hi, i have just bought a NRF51 DK. I have tried to run the precompiled Blinky example. I have first installed NRFGo Studio. I connected the board. In NRFGo Studio, I selected...
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I am making a battery service to report the battery that is sampled by the SAADC, so far I am am able to compile it and debug it, however I see how my saadc_event_handler_interrupt...
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I'm reading the debug output of ble_cts_c.c:
NRF_LOG_DEBUG("BLE event handler called with event 0x%x\r\n", p_ble_evt->header.evt_id);
However I can't find any...
The analog circuits 51822 and rfx2411n supplied by the authorities are connected 52832, but the circuit is not working properly.PA and LNA switching has been controlled in...
This is to build upon a previous question i had here .
This time, I am having issues with SDK 14.
I can compile and run the BLE peripheral HRS example fine. With SDK 14...
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I am trying to write 64 bytes to a characteristic as a client and am getting the error NRF_ERROR_DATA_SIZE . The infocenter is not very helpful at indicating where...