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...
Hi, my friend,
I've been with nrf905. I use a 16-bit CRC check.
But I encountered problems in use:
1.Nrf905 16-bit CRC check format is CRC-16(IBM):X16+X15+X2+1 or other...
I have two custom PCBs, each of which has a microcontroller and an nrf24L01+. Everything related to the transceiver in the designs are complete duplicates (with the exception...
Hello,
I've built a small BLE-device based on the nrf8001.
With my Iphone I can discover this device and I am able to connect to it and listen to notifications of the...
Our pcb is used for gps location data. We have a nrf24L01 nordic chip as the micro process or between the gps module and wireless module (2G). Our engineer needs to capture...
Hey folks,
I'm trying to modify the SPI Master loop back example into a 4 line SPI Master_Slave program. Whenever I change the Tx_Buffer_lenght from 10 to lsome other numbers...
Hi,
I’m having some troubles with example code : ble_app_uart_s132_pca10040. The code compile well in Keil and I can prog it in the nfr52 but it doesn’t run. When I check...
To enable comparability with an existing client, I'm attempting to configure the nRF51822 to provide a GAP service that includes user description descriptors (UUID 0x2901...
I'm trying to store some values with fstorage. The store operations seem to be queued successfully, but never executed. I currently have this to test the behavior:
FS_REGISTER_CFG...
Hallo everyone,
I am reciving a notification from my server, which lenght can be 8, 20, 30 bytes but when I want to display the info using NRF_LOG_INFO is not printing...
To All,
From reading the datasheet I understand that nfr52832 spi can only send/receive up to 255 bytes at once. And to work around this a list method is used.
Because...
Hi,
I’m working on a device that requires to enable the softdevice when connecting with a smartphone via Bluetooth and disable it when acquiring data from an analog source...
Hello,
I am using sdk12 and uart code. I want to send my sensor data readings to ble app. For that I have modified the ble_app_uart code and I am able to send 8 packets of...
Hi all,
In my project I have a structure its length was about 2KB, I'm saving it as a static variable after using this I come across with a weird behavior from the board...
Greetings,
I'm having trouble being able to perform a DFU with the secure serial DFU. My setup:
Using PCA10040 (nRF52832) with the s132_nrf52_4.0.2_softdevice.hex...
Hi.
I am using saadc sample cod of SDK13. Changing some parameters based on the analog input, the example is sucking somewhere where I have not been able to find it.
...
Dear all,
I am facing small problems, which I guess most of you faced at some moment.
I am trying to switch from working with ST microcontrollers to working with nRF52...
Hi,
I know that the default handle value of device name is 3, but in my application i am not getting the default device name handle, is it possible to change the device...
I want to save precious CPU cycles by writing 40 i2c (TWI) registers in one shot. Can I somehow set up the TWI master to write 40 registers (each 16-byte address with 8-bit...
What is the maximum length of pdu for ble advertisement? I have ported the example application of solar powered beacon without softdevice.
I just wanted to know if it was...
