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...
Using:
nRF51822
GCC 4.8.4
Nordic Sdk 5.2.0
and even Ole Morten's nice pure-gcc setup
newlib-nano and -flto
Within the startup_nrf51.s I found something...
The server has no I/O, so no way to press a button.
Can an attribute cause the BLE to set a bit in Flash, so at the next power up, it will read that bit and know to execute...
Hello,
I followed the instructions of KEIL in www.keil.com/.../ulink2_trace_itm_viewer.htm
However, I cant get any outputs in Keil Debug(Printf) Viewer using printf...
I purchased a bunch of ptr8000 boards off ebay from china to do some testing of the nrf905 without realizing they were setup for 433mhz, and I need 915mhz. Looking at the...
Hi,
I am currently testing a DAC with I2S input supplied by the nRF52832.
But unfortunately no signal is coming out from the DAC, furthermore when reading the error registers...
I'm looking to use the nrf open mesh on battery powered devices based on nrf51822. I would like to enable the mesh for short periods of time to transmit values (~50 nodes...
Hi,
I've just got the example running with one DK as ble peripheral and ESB at the same time uing the timeslot API and one DK as only ESB receiver.
I can communicate fine...
I have used following sources for my application:
profile:
-BleManager,
-BleManagerCallbacks,
-BleProfileService
uart:
-UARTService
-UARTManager,
-UARTManagerCallbacks...
Hi,
I've just started to implement the example
github.com/.../nrf51-ble-micro-esb-uart
for the nrf52. And it is now running so I can send and receive stuff via BLE...
Hello everyone,
After days of struggle with the yunjia board it seems that I cannot download any program to it.
I tried falsely to download program for the PCA 10028 but...
Hi,
I would like to set up simple bootloader that initializes COMP module and waits for proper voltage on analog pin to show up, then launch BLE application.
Is there...
Hi,
I know that there is documentation, and that there are some answered questions abaut this, but still i dont think i understood how macro APP_TIMER_TICKS works. I need...
