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 using PCA10028, SDK10.0.0 S130.
I think "ble_app_hrs_rscs_relay" provides Central function and Peripheral function.
So it should be advertising right after running...
My program doesn't use SoftDevice.
In Reference Manual 3.0 page 52: "A HFCLKSTOP task will stop the HFCLK oscillator. However the HFCLKSTOP task can only be sent after...
Hi,
I've looked at the example codes provided by Martin in these two topics for communicating to a MPU6050 through TWI:
1- devzone.nordicsemi.com/.../ (uses SDK 9)
...
When we add a uuid will follow the steps below
err_code = sd_ble_uuid_vs_add(&nus_base_uuid, &p_nus->uuid_type);
// Add the service.
err_code = sd_ble_gatts_service_add...
I was looking the way to set different tx power values and also figuring out a small bug in the interface when you switch among payload models and payload length is >1.
Bug...
nrfgo_error.docx
Using nRFgo Studio as the interface I try to download the file “set_in _test_mode.hex” and get the error above.
What are the proper steps to get DTM...
I am trying to reset and halt the target nRF51822 under SWD protocol.
Could someone point out the register to achieve the same? I looked up the reference manual but couldn...
Hi.
I'm using PCA10028, SDK10.0.0, S130 and "ble_app_uart" as reference.
As I've researching nRF51 with Central device,
it returns
Packet 0 : 020105 0c094e6f726469635f55415254...
Hi,
I'm using long write in one characteristic but if I try to configure this characteritic with write authorization (attr_md.wr_auth = 1) it doesn't work. I need to send...
My setup is as follows
1 Gyroscope + Accelerometer
1 RTCC
1 SPI Flash device
I want to set up the PPI to periodically sample the MEMS devices and the RTCC...
Hello,
I am trying to remove the use of the frame pointers for bootloader_util.c because I am getting the error : "r7 cannot be used in asm here", but I only know how to...
I use nRF51822( BLE nano) central mode to connect annother BLE nano (ibeacon mode), then I call disconnection to the peer address. Sometime, the disconnection callback will...
hi,
i am trying to send data using ble_uart app.
in this app i am using timer difference to send data. when i am getting 1st data in uart event handler. when i am printing...
I would like to implement DFU OTA updates without the Master Control Panel, and I have a couple questions:
Is there example code for the client-side of the DFU service...
