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...
I have a dev question about using the nRF Blinky app as an example for listing and showing services for multiple BLE devices without having to individually select each one...
Hello,
I want to use Radio Notification before connection event (ACTIVE signal). My routine takes 4 ms but Tprep time have huge range - from 167 us up to 1550 us, so even...
Hi
I had a problem which I want to send many packets in a loop using sd_ble_gatts_hvx(), but when the number is 5, the error code(NRF_ERROR_RESOURCES) is happened. Then...
Not sure if this is possible or not, but it's beginning to look as though the radio may be corrupting packets, either when sending them or receiving them or both, because...
Hi
About this link : https://devzone.nordicsemi.com/b/blog/posts/what-impact-does-the-deprecation-and-withdrawal-of-bluetooth-core-specification-v4-0-and-v4-1-have-on-your...
I want to change the ble gap address type to RANDOM_PRIVATE_RESOLVABLE. In gap_params_init(), I add these line at the end of the function
ble_gap_addr_t *p_gap_address;...
Hello. I want to build two services with custom UUIDs. I have successfuly built first one using this guide . Then I try to build second one, using the same guide, but I meet...
Dear all,
I have been using the example based the example "ble_app_uart" of nRF5_SDK_15.2.0_9412b9. Every time I found that nRF52832 will go into sleepmode after about 206...
Hi ,
I am working on customize tools utilizing the nrf python codes.
In linux I came to know about BLE libraries bluez and also about hcitools.
I have setup for linux...
Short version: Can someone from NordicSemi give me some pointers as to what the assertion at PC 0x134A2 in S132 v6.0.0 is testing? Thanks!
Long version: Since the Friend...
We will inquire about the RF identification code.
I am in the process of certifying the product before mass production.
The certification body is requesting data on the...
Hi
I used nRF5_SDK_14.2.0 to develop nRF52832. Now I have a problem. I used the demo of ble_app_blinky in the ble_peripheral files. I want to send the 2552 bytes by ble_lbs_on_button_change...
Dear Sir,
I am implementing a program in which I need to stop advertising inside the function ble_evt_handler() .
I am starting the advertising by calling the function...
Hi everyone, for the project I'm developing it's extremely important to measure RTT as accurately as possible and as such, after some SoftDevice specification I imagined the...
