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...
Hi
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...
We have problems with the restart which the application does after receiving the DFU attribute is written.
Startup should work like this as I understand it: the reset vector...
I have 2 hardware revisions, one with the GPS LNA attached to MAGPIO0, the other revision, the LNA is on COEX0.
In my prj.conf file, I have the following setup for handling...
From this guide:
https://devzone.nordicsemi.com/nordic/nordic-blog/b/blog/posts/getting-started-with-nordics-secure-dfu-bootloader#h61sjziauupw1j397q9s9ldr01q4j6d5
Appendix...
Hi,
I have the BC480 eval board and I would like to be able to upload the simplist application to it OTA. blinky_pca10056.hex
I'm using the Nordic Toolbox application...
'NRFX_SPIM0_INST_IDX' undeclared here (not in a function); did you mean 'NRFX_SPIM_INSTANCE'? error occured .
I am not using SPI , this error is not cured by me .I enable...
Hi
So I'm trying to adapt the ble_lte_gateway example at my nRF9160 DK but because I don't have a Thingy52 I have to use an nRF52840 device, so I wanted to try the sample...
I am working on a wearable design that has standalone modules distributed around the body. Each module will do the same thing, receiving commands to turn LEDs on/off or adjust...
Hi,
I am trying to us one more SWI with nrf_drv_swi_alloc , but returns NO_MEM => means there is not any free.
I looked to source code, and I find SD_SWI_USED is defined...
Hi,
I've added NUS service to my app (nRF52832, peripheral, FreeRTOS based, SDK 15.2, SD132). everything works great with MTU size = 23 bytes.
Now I try to increase...
Hi there,
I found very interesting behavior on casting double variables to integer.
The following code gives me strange result:
double dval = 0.;
int ival = (int...
Hey,
Currently I have been working on a project in which I have to calibrate the range of the bluetooth, basically I need very short range of about a meter.
Could anyone...
Hi,
I have some trouble using TWI : the slave device connected to nrf52 sends an ack signal (seen on scope) but the i2c handler raises an incorrect address error and discards...
Hi,
The device I am using is nRF52840, WLCSP package. Most of the analog IN pins are noted "low frequency I/O only", e.g. pins A5, A6, C7, C8. - I know there are some exceptions...
