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 am using S130 softdevice version.
Basically, I am using NUS Service and make a my own NUS central service as NUS_C.
It is correctly work at normal state.
When...
Hi All,
Please Reviwe for a attached circuit file(Chip ANT of nRF51822.pdf).
I also attach a datasheet of chip antenna applied for that circuit(SDBTPTR3015 Data Sheet...
I develop my BLE with SDK 8.1 and softdevice 8.0, and I want to restore some data(about 50 bytes) to flash, can anyone please help to provide me an example for the entire...
I have had a look at you experimental implementation of DFU signing.
I'm very concerned about the code size. The old Bootloader used about 13KB and the new one with signing...
I have a custom made board that has an EFM32WG360F256 communicating to an nRF8001, verified that the ACI protocol works with repeated echos, however when I run the efm_ble_my_project_template...
I've got 4 services with 15 characteristics between them. Trying to add any more than that results in sd_ble_gatts_characteristic_add() returning NRF_ERROR_NO_MEM .
All...
Hi Expert,
I found a weird case that at my 51822 plaform with s110 enabled, if I define a global buffer like:
static uint8_t system_buffer[1024];
it obviously will...
Hi
The nRF24Le1 has 256 bytes in the infoPage for user data, starting 0x0100.
My question is how to write to that area?
Is it accessible from nRFgo Studio?
Is it accessible...
Hi every body,
Is there any way to increase the support packet per connection to more than 1 packet for S120 softdevice if i have just single slave and single master? ...
HI,
I have followed all the steps from devzone.nordicsemi.com/.../ and I can relay text between Termite & my iphone.
Can someone share a function / method which I can...
Hi,
I used the ancs demo of nRF51_SDK_7.2.0_cf547b5 to modify our application. It still work well, but sometime when I left the device and went out with my Iphone about several...
Hi,
I have two customs boards and on the one with the QFABA0 I can go to system off and see 0.6uA of consunption but on another board with the QFABB0 I go into system off...
Hello,The user manual describe that the NRF51822 can commuiate with NRF24L01.but,when I debug this system,There is something wrong with Address and data.I try to translate...
Hi BLE fellows,
Following the steps explained here , I have tried to integrate the OTA DFU feature & bootloader from the latest SDK to my application and tested it on my...
I use sdk_9.0.0 and I have realized that there are only:
#define BLE_GAP_ROLE_INVALID 0x0 /**< Invalid Role. */
#define BLE_GAP_ROLE_PERIPH 0x1 /**< Peripheral Role....
Hello,
There's lots of questions and back and forth talking the nrf51 SDK both on here and on other sites, about the requirement for a product key to access and download...
