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...
After programming the Ble_app_uart to the nrf52832, I am sending a 100 Bytes of data from my UART Port to Nordic chip and this data is transferred over BLE to my Phone. I...
According to Table 19 in the nRF24L01+ datasheet, writing to any of the 32 command registers is "Executable in power down or standby modes only". This caveat is also repeated...
Basically I want to get a 8 byte long MIC when using the AES CCM encryption. From the product specification it does seem like I can only get a 4 byte MIC, is that correct...
Hello,
I try to flash my dev card nrf52 with the program ble_app_uart
Or a program ble by cons I can flasher by other program (pin change in), I do not know from where the...
I created an characteristic that has MAX_Length = 20 Bytes characteristic.
And When I'm trying to write less than 20bytes on this Characteristic, It Always send with 20Bytes...
Is it OK to send multiple packet continuously over nus at below way without waiting for packet transmit complete?
i=UserUart.RxBuf[1]+2;
index = 0;
while(i>0)
{...
Hi,
I'm using nrf51822 Ek kit and running ble_app_uart example,when i want to send any character or integer it Received like a string only,but i want to send only single...
Hi,
this question is more about iOS than nRF, but there's probably here some experience around this subject.
First the context : We have a product based on nRF51, S110...
I compile a .bin file for DFU. The bin file is 62020 bytes. I create the zip file for DFU, it is 62909 bytes.
If I extract the zip file, I get the bin file (62020 bytes...
We are currently designing a prototype board for our product using the nRF52832. We need to calculate the transmission line with on a 4 layer PCB. The stack-up looks like...
I am trying to use your swift iOSDFULibrary cocoapod. What I am doing is the following. I have a library written in swift. That library is where I have your iOSDFULibrary...
As Bootloader IROM starting address 0x78000 and size 0x6000 is same in SDK 13.0 and 12.2.0 expecting to update Device firmware (BL+SD+APP) from 12.2.0 to 13.0.0 SDK.But in...
I use SDK9 nRF51.
I use white list. When I want to delete all bounded devices, I call this function. But it doesn't work. It not deleted.
Why I can't to delete bounded devices...
Hi,
I would like to know which is the difference between using a Softdevice or not.
Looking at the blinky example, the two versions are provided. The "main.c" file is...
