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...
Hi
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...
i made this project to try to create RSC service on arduino
developer.bluetooth.org/.../runningspeedandcadence.zip
unfortunately the server starts but i'm not able to...
Hello,
Could someone give me a hint with the following problem?
I am using two example projects (ble_app_uart_c, ble_app_hrs) to connect a central and a peripheral.
An...
Hello,
I'm trying to upgrade the application on my board via OTA DFU but it seems to fail if the app file is greater than 64KB:
DFU fails with my app which is 70kB and...
Hello!
I want to connect the MCP9808 with the nrf52832. Therefor I use i2C.
My example on the nrf52832 is the:
<nRF5_SDK_v11_0_0 folder>\examples\ble_peripheral\experimental_ble_app_eddystone...
Hi , I am using nRF51822 as a ble_peripheral to send the sensor data to the phone. I already add a characteristic with the property of notify , and it could work when using...
Hello,
I've been working with the SPI Slave on a nRF51-DK for several days. I am using the nRF51-DK (PCA10028), S130 v1.0.0 and SDK v10.0.0. First, I set up a RX and TX...
D:\nRF51822\mergehex.exe --merge D:\nRF51822\s110_nrf51822_7.0.0_softdevice.hex _build\ble_app_hrs_s110_xxaa.hex --output hrs.hex
I am doing it.But one of the files to...
hi i am working on nRF51822 chip, trying to flash code using keil IDE through STLink debugger. which i have attached image . while flashing the code it is showing Flash is...
I have a peripheral that pairs to a central and establishes a connection (without bonding) without any trouble. When I disconnect the central (e.g. cutting power to the central...
Hello All,
For the S120 softdevice active scanner, it appears that when ADV_IND is received and a scan request/response exchange occurs there will be two BLE_GAP_EVT_ADV_REPORT...
Hi,
I am getting the NRF_ERROR_INVALID_STATE error when I call dm_security_setup_req in my security timer timeout handler. The function's description says I'll get this...
Hi,
I would like to store firmware version number at a particular offset from the application start address so that it can be retrieved by boot loader as explained here...
The comment in dfu_init_prevalidate says the following
// To support application versioning, this check should be updated.
// This template allows for any application...
Hi,
As far as I know the ADC pins can be used as digital inputs. Is it the same with NRF9E5? I could not find anything like pros/cons. Datasheet doesnot say anything about...
Hi,
i have been struggling with UICR Config in nrf52. The code:
NRF_NVMC->CONFIG = (NVMC_CONFIG_WEN_Ren << NVMC_CONFIG_WEN_Pos);
while (NRF_NVMC->READY == NVMC_READY_READY_Busy...
Dear nordic.
We are developing nRF51822 with S120 as central.
When advertising from Peripheral, RSSI value is changed it's position.
Measured RSSI range is -60 dBM...
