When I was using the device as peripheral, I was wondering when the Softdevice notified BLE_GAP_EVT_SEC_PARAMS_REQUEST and BLE_EVT_SEC_INFO_REQUEST:
1, when peripheral...
hi dear nordic employee:
I tried to build the project ble_app_hrs_c(pca10040) by keil5
but I get an error :
._build\nrf52832_xxaa.sct(7): error: L6236E: No section...
Hi,
I am a bit confused about power consumption when using app_uart_fifo. To save power I put MCU to sleep in between each sent and received byte by using __WFE and __SEV...
Hi! I am building an android app for my project. I am using Proximity , UART and DFU from nrfToolbox app. I have 3 buttons on my home screen dedicated for each of them. I...
Dear Nordic employee:
1、 what do I have?
I have a thingy52 develop kit(nrf52832)
2、what is my purpose?
the quality of thingy52 audio demo is not good(iphone7)...
Hello Nordic,
My development environment:
SDK>> NRF51822_SDK10, SoftDevice>> S130
Example>> ble_app_uart
I am looking forward to your reply!
Thanks.
Best Regards...
Dear friends,
according to "nRFConnect_BLE_User_Guide_v2.0", to set up a local device,i should complete the following steps:
Connect a development kit or dongle to...
Hello to everyone,
I'm developing a new project with a nrf8002 and a Smartphone with Android 4.4.2. Both devices connect to each other fine, and I can bond them with no...
Hi,
I made a peripheral firmware based on "s110\experimental\ble_app_uart" example, but I don't know how to write a central module FW so that these two can pair to each...
The reset handler as shown in the C:\Keil_v5\ARM\Device\Nordic\nrf51822\Source\templates\arm\arm_startup_nrf51.s will call SystemInit as defined in the C:\Keil_v5\ARM\Device...
Hi
im unable to connect nrf51822 EK with nrfgo studio
how can i solve this issue
m using all latest version softwares
and wen i click ok it shows as below
...
Hello, i know its an often discussed topic but i already read lots of threads about it and didnt find the answer.
I have a simple program that enables the softdevice s110...
Hi,
We are using an nRF8001 with bonding.
We tested the use case were a bond has been established with an iOS app. Then the connection was terminated by closing the...
Hi
am using a thermistor of 10 k with a known resistor of 10 k ,and am giving the voltage divided input to ANI2 (p0.02).The suppply voltage for thermistor is external of...
Hi,
We designed an nrf51822 BLE application using the mbed kit and on-line tools.
Our target pcb has a 1.8V onboard supply. To minimise consumption i want to disable the...
I have an android client that functions as a central and have an app on my MAC (peripheral) that this central connects to and sends data.
At this point, I need to wait...
hi.
we are planning to use 3 chips of 51822 to implement a data collecting system. one chip uses s120 and the other two use s110. chips using s110 collect data and deliver...
Hi,
I have a piezo buzzer connected to pin 14 on a Nordic nRF51822. Here's some code I use to drive it, based on the Nordic PWM library here: github.com/.../nrf51-pwm-library...
Hi,
We have an issue with app_uart_fifo which occasionally locks up during data transfer from NRF51 to an other uC.
System description:
We're using first revision...
I am working with the nrf51822 eval kit and custom boards based on the Laird BL600 module. I am using SDK v5.2.
I am trying to connect to external Flash (Microchip SST25VF016B...
I need to have configuration tables(more than one) on my BLE device. As far as I know nRF51822 doesn't have built-in eeprom so my options are limited to external serial one...