My sensor is off-standard,so I have to use gpio to read and write my sensor.
Gpio IIC will take about 0.5ms to get data.
My app need send data every 7.5ms,it seems that...
Hi,
My android Proximity application fails on service discovery only for the very first time it connects with the devices(nrf51822 evaluation kit with sdk 5.2.0). Actually...
Has anyone converted the app note AN34 DTM Python script to C# or C/C++ ?
The Python DTM script is works OK with the setup specified in the app note AN34 figure 2, which...
Hi,
I have a serious problem, when I use uart of NRF51822 QFAAC0 to receive data from another MCU, I found that it will lost one bit at same position everytime. my SDK is...
Hi,
I just started to interface the lcd display with nrf51822 evaluation board. The display i'm using is, spi compatible, 18" tft (160x130) from tiny lcd. I took spi master...
Hi,
We are using the nRF905 device in an application where it needs to switch between auto-retransmitting and sending single packets, due to it communicating with several...
I have set up raspberry pi 3 as a border router and programmed the the nrf51422 using the iot_ipv6_coap_server_pca10028 and could successfully switch on and off led3 and led4...
nrf51822QfAC
S130 stack was working fine and ble_app was able run successfuly able to see the ble on the app;
Now after few days now facing issue in running the same code...
having issue with nrf51822
nrf51822 breakup board was running fine with S130 2.0 stack and ble_app_uart
Now facing issue such that when softdevice enabled is called the...
Hi,
I just switch to Embbeded Studio following the last tutorial ( here ).
I'm working on NRF51822 with SDK12 and TWI_sensor example (without SoftDevice). I followed...
I see from the release notes of s132 4.0.0-2.alpha that it adds:
Support for 20 links in total with freely selectable role (Central/Peripheral) for each link.
I want...
Hey,
I am trying to control an external LED using two nRF52832 boards. I am using "nRF5_SDK_13.0.0_04a0bfd\examples\ble_peripheral\experimental_ble_app_blinky" code for...
I'm trying to use the BLE sniffer in a quite busy BLE environment. Unfortunately, it always crashes after a few seconds.
I'm using:
ble-sniffer_win_1.0.1
nRF51 Dongle...
Hi,
i am using PCA10040 DK board,
working on ble_app_Uart example, i have created one timer(app_timer) here is the code:
printf("init\r\n");
ret_code_t err_code;...
Dear all,
My chip is nrf52832, and sdk version is SDK12.1.0_0d232a. And tried to use ble service and spi master function.
I create a timer to send spi command every...
hello all:
my mcu is nrf51822(QFAA), and use it to make a blue device ,i want to use mcu's reset pin to reset it, just use hardware. i add a key to connect the reset pin...
Hi,
I have searched for examples which will use passkey to connect with android, but didnt find any.
I want ble_app_hrs example to connect with nRFConnect in android by...
HI,i develop my project base on “examples\ble_peripheral\ble_app_uart” and “nRF UART v2.0”。i hava large data transmit from phone(androd) to nrf52832。
but when send a package...
I need to save some data on the flash storage. This data will be some structures and I will write, read and modify them as and when required. I am also using peer manager...