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...
Hello, I've just purchased nRF52 dev kit and I'm using ble_app_uart example from SDK_12.2 to send/receive data from one pc (which is connected to the dev kit through usb)...
I have been trying to use nRF5 SDK 12 on nRF52 Preview DK by using PCA10040 instead of the removed PCA10036. But example 'ble_app_hrs' that uses SoftDevice S132 v3.0 do not...
Hello,
I am developing a custom board using nRF52. In my previous custom board, the total current consumption is 15mA with DCDC regulator enabled. I want to reduce this...
Hi,
I'm trespassing some code of nRF51 to nRF52 (s132, SDK 12.2.0) and I get an error when I try to call sd_ble_gatts_rw_authorize_reply. This is the code
case BLE_GATTS_EVT_RW_AUTHORIZE_REQUEST...
I'm using the beacon example (SDK 12.2.0) which I've modified slightly so that a sensor output initiates advertising for 20 seconds with LED1 flashing accordingly. I want...
Hello I was working with the Flash Storage examples in the nordic github repo. I noticed that the FDS example while it has a IAR Workspace it does not have the associated...
Hi,
I am having trouble with buttonless DFU on my application. I am working on custom hardware on the nRF51822, SDK10.0.0, S130.
When I enter DFU from my application...
I'm working with pca10028.
Then gpiote interrupt is triggered twice.
Why is this happening?
And what is BUTTONx_EXT connected to PCAL6408A(U7) in schematics?
Hi,
I am new to nordic development. I have programmed segger program softdevice by s110_nrf51_8.0.0_softdevice.hex and program bootloader by dfu_dual_bank_ble_s110_pca10028...
My project is to communicate with the AD7780 via SPI.
Nrf is the master and AD7780 is slave. I am know implementing my solution referring to an example i found about SPI...
I'm trying to make the nRF51422xxAC advertise. Using Segger Embedded Studio.
I have this code: bpaste.net/.../f29f74986c10
On line 109, I have a breakpoint. At that...
I've followed the tutorial about setting the eclipse environement devzone.nordicsemi.com/.../
I've got every thing to work except the debugging, it stops every time at ...
Hello,
I am trying to set the nRF52 to power off and wake up on a momentary button push (scope measures momentary push logic low around 50ms-100ms). However, I am struggling...
This is from the previous Blog: devzone.nordicsemi.com/.../
I've looked at the other dev boards. I found this one nRF52832 System on Chip and Amber SPP-over-BLE profile...
