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 all,
we want to design a new product. in short description, it can be view as a key fob dongle and an access reader.
the key fob can be a stand alone key fob ( as...
Hello,
I have written codes for my dspic33 to communicate with other sensors through SPI before, but I am having some difficulty getting started with the nrf8001. This is...
Howdy,
I just got my nRF51822 Bluetooth Smart Beacon Kit. I down loaded "nRF Beacon iOS_1.0.zip" and fixed up the project and targets so that it was using the correct Code...
Hi,
I have read the Bluetooth specification version 4.0 and found this figure
It discribled we could use OOB to disvocery and exchanged device information to connect...
Hi,
I am using nRF Loader built from its source code.
While it works well on iO7, does not work on iOS8.
After pressing an upload button in PROGRESS pain, the status...
I see from the 51822 PAN sheet v3.0 that item 61 still shows Rev 3 QFAA package devices as potentially having problems with LO leakage. We are in production with R2 QFAAG0...
Hi,
I am trying to run the ble_app_hrs_c, using:
s120_nrf51822_1.0.1
nrf51_sdk_v6_1_0_b2ec2e6
PCA10006 + nRF6310 + nRF6350
After the compilation of the...
I need to port ssd1306 library for oled to nrf51822.
so i tested following code. but it's not worked.
main(){
if (!twi_master_init())
{
return false;
}
ssd1306_init...
I am using the GCC DFU project provided by Nordic on GitHub ( devzone.nordicsemi.com/.../)
I altered the main.c to trigger to DFU mode based on the contents of the GPREGRET...
I'm trying to connect a camera module ( OV7670 ) to my nRF51822 EK. The camera requires an operating current of 18mA. If i were to connect the 3.3V rail input for the camera...
I have code that uses two GPIOs to program an NRF51822 via SWD mode. This code all works fine and suceeds in programming the device.
What I would like to do is get the...
How can I relocate or manage the transition between the bootloaders interrupt vector map and the applications interrupt vector map which will be at different addresses in...
