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 have my code like this .
unsigned char *encryptedData;
unsigned int encryptedDataAfterAppendingLength;
memset(encryptedData, 0, encryptedDataAfterAppendingLength...
Hi, After i flashed the firmware MEFW nRF58122 0.11.0, MCP "start discovery" button is disabled. I flashed the lower version MEFW nRF58122 0.9.0. Same issue.
There is exception...
Dear all,
I have a question on the LFCLK accuracy in the smart beacon kit, which is pca20006.
When I see the specification of LFCLK crystal 32.768kHz, this crystal has...
I'm developing a product using a module with a built-in NRF51822 and I'm experiencing a strange error:
After staying in a connection for a long time (hours to days), the...
Hi, I'm making a product with the nRF51822 chip.
I was looking at the MFi.
As you see in the picture, the condition for not taking the MFi is like this.
At the...
Hi, I've written my own ACI code for an arm cortex M3. So far, everything is working fine. However, I've noticed that if all data credits are used up and a DisconnectedEvent...
I'm using nRF51822 SoC and i want to notify the Androïd(4.3) application with the changes of the Major value due to switching the beacon mode . How to change Major value ...
Hi,
i can say that i'm familiarized with nrf51 devices from some time ago.
Using softdevice 7.1.0 and MCP 3.7.1 i was able to perform a device firmware upgrade using just...
Hey I am working on nordic nRF51822, I have a doubt.
Basically I want to use it as an iBeacon and along the iBeacon payload I also want to send some services.
Is that fundamentally...
Hello,
I tried to get the bootloader dfu example with the S110 8.0 and the latest 8.0.0 SDK running but ran into tons of issues. The packet handling with KEIL is just insane...
Hello everyone!
I'm writing here becouse I'm quite new to the embedded world and I'm experiencing some troubles starting with this platform.. I must say that, since I found...
Hello,
In my application, I'm going to power the custom board with a fixed 5V connection. What is the best practice for powering the nRF51422 IC? I was thinking in using...
Hi.
We need to ring the Buzzer with 4.2kHZ PWM.
However, in the event of 4.2kHZ in nRF51822 PWM is inaccurate about 2us.
Please tell us how to fix it.
※link Very...
I use this step-by-step guide to run nrf51 Iot SDK example on nRF51822.
First I modified app_ipv6_coap_client_pca10028 such that I can run it on nRF51822.
I downloaded...
