Hi,
i want to build a BLE mesh via advertising. i asked some questions before about ibeacon and observer, how ever to clarify my question i have some additional questions...
Hello,
I have set nRF51822 Evaluation Kit. With its help, I would like to read the pulse of the heart rate monitor:
link text
I manage to connect to it using the...
Does the s110 stack allow retrying pairing procedure?
It looks like the stack (peripheral) always ends with disconnect upon invalid passkey.
We would like to explore the...
Hi Guys,
since yesterday i am trying to get the DFU with Softdevice S110 (BLE) v7-alpha3 working but haven't succeeded yet. My process is the following:
s110_nrf51822_7...
Hi All,
i would like to know about
1) what is channel in nrf51288?
2) is there any mathematical relationship between channel no and pin no as in ble_app_hrs
example channel...
Hi,
I use UART bootloader SDK example(dfu_dual_bank_hci) to do update firmware on EK PCA10001 board,it can work ok.But i changed the HCI_SLIP_UART_RX_PIN_NUMBER and HCI_SLIP_UART_TX_PIN_NUMBER...
I'm trying to add more buttons to the nRF51 DK.
But I get an error.
I have found the NUMBER_OF_GPIO_TE define.
#define NUMBER_OF_GPIO_TE 4
How can I handle more...
Hi, is there RSA-512 cryptography (or maybe another asymmetric cryptography system) implementation for nrf51 or some implementation that can be easily ported to nrf51?
Hi. I played around with the MQTT example on nrf51822 module.
I get it connected to an openwrt device and can connect/publish to mosquitto on button press.
In next step...
Hello all
If you could please point me some directions on how to solve my issue, I would be grateful:
Some background info:
SDK used: 9.0
spi master code =...
Dear Nordic Developer Zone,
I have a silly question. After searching in the Nordic and Bluetooth documentation, I didn't find what CCCD and SCCD mean. Theses metadata are...
I had a design on 4-layer PCB with nrf51822, then the requirement was changed, then the 2-layer is sufficient for routing.
But I thought 4-layer PCB is better for RF circuit...
I've run into a problem with an OS API call when running FreeRTOS on an NRF51 due to how ticks are corrected.
vTaskStepTick() is getting called while the MCU is awake and...
Hello all,
I am trying to activate ADC to measure a voltage every few seconds using nrf51822. When it is done, I supposedly deactivate ADC so it does not consumes while...
I am designing an device and i need to communicate with the device using the I2C of my nrf52.
when ever i try to initiate the transfer process using the driver function...
Is there a Peripheral Encryption Example for the nRF52? and can the Master Control Panel tool(3.10.0.14) be used to test the Peripheral Encryption?
If i clcik the down arrow...
Question about usage. I am using the nRF52, and ported product code that was running on the Alpha SDK11 to the release SDK11. I believe that what I will describe is a new...
According to the product specification of the nRF51422 the current between the advertisements is:
i_sleep = I_on + I_rtc + I_x32k
16k Ram enabled: = 2,6 µA + 0,1 µA...
I realize that this code is "experimental", but we are trying to utilize it as a reference and having problems with its stability and scan results.
Specifically, we are...
Hi!
We are currently implementing a time synchronization algorithm using a nRF52s. Currently, we´re getting the min error of 20ms between synchronized slaves. We think that...
I'm using a nRF51 with 32K RAM and SD120. When I started using RTT Viewer I could send data to the terminal, and debug my code. Recently my J-Link plus won't allow me to debug...