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...
I'm trying to send some data to a custom event handler function using app_scheduler. The problem I am having is the data I am sending is not being received.
I expect this...
Dir sir,
I noticed that you are using the internal LDO regulator in nRF51822 beacon kit.
Why do you recommend to use LDO regulator for Coin Cell battery?
In addition...
Hello,
in my Scatternet, I often receive HCI Connection Timeouts. Depending on the settings this happens once or twice over half a day between 10 Nodes or it could happen...
When I email myself a .zip containing the SDK8-type DFU payload, I can no longer "long press" on the email attachment and have it opened in nRF Toolbox. Either the jackballs...
I'm working on an health thermometer.
I have used the HTS service to send temperature measures from the device to the phone.
Now, the device has to send an alert to the...
Hi,
I have two nrf51 devices one is the master and other a slave device. I need to lock these two devices permanently. What I mean is that these two devices can only connect...
Hi All,
I would like to setup my Eclipse and GCC for compiling and debugging C++ & mbed projects on nRF51 DK. The setup procedure explained in tutorial Development with...
Hi, I use SDK 10.0,
SoftDevice S110 8.0, S120 2.1, or S130 1.0, (I test various examples so I change SoftDevices)
iPhone 6 Plus (iOS 9.2.1), and Nexus 5 (Android 6.0...
Hello, i have a Nordic Nrf51822 ,PCA10001 V2.0.0 EVkit. I am desperately trying to run a beacon code in my EvKit. Since the PCA10001 V2.2.0 is old version ,it only supports...
Hi, i try to understand how to use power down modes. But i have a problem in the example ( nRF24LE1 REGISTER RETENTION TIMER ON ).
while(1)
{
// Register retention mode...
Hello,
I've created own characteristic and send it from proprietary board acting as peripheral to the Client in form of notifications. I use sd_ble_gatts_hvx() function...
Does anyone know of a good tool(s) for prototyping proprietary services and characteristics for App development? Our App dev team is ahaead of our firmware team and they want...
Hi,
I'd like to know how tp estimate of the best "timing accuracy" I could expect to achieve between an iOS device and a peripheral device. The objective is to make a specific...
Hi,
In my application I want to communicate nRF24L01+ with nRF51822 with dynamic length. Some settings are:
In nRF24L01+ side (reference: devzone.nordicsemi.com/.../)...
Hi,
Now I use these fun in ANT SD210 like below:
void MyFlashWrite(ble_ant_csc_t* cscdata)
{
uint32_t addr;
uint32_t patwr[3];
uint32_t pg_size;
uint32_t pg_num;...
