In the nrf51 series reference manual section 12.1.9 it states that there is hardware protection that prevents write instructions from being executed and that there is more...
Hello, I have established the connection between two pca10001 boards, one as central and one as peripheral using multilink_central and multilink_peripheral. I have serial...
Hi,my friend,
Now,I use nrf905.Situation is as follows:
I use the NRF PCB circuit of data manual.Nrf905 work, often loss of data.
1.The Product host is to use the stick...
Hi,
I want to use the Blend Micro with more security. I want use a passkey for the Bluetooth connection. For example through the iOS Device.
Is it possible? Static passkey...
How do I receive multiple signals simultaneously at a single receiver (433MHz) with multiple transmitters ?
I am working on a polling system. This one is similar to the audience...
Hello,
I established a connection between my central and peripheral module. Now i want to write characteristic value on peripheral. I tried with sd_ble_gattc_write function...
I am using the NRF24l01 for my products and looking to buy in bulk(100-1000). Now I know where to buy the just the IC but antenna design is a hard point to break right now...
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...