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...
Hi,
we have developed a product based on the nRF51822 using Nordic SDK v6.1.0 and S110 v7.1.0.
Now we are on production and we are obliged to use the nRF51822-QFAA with...
Hello! I'm trying to program nrf51822 like a BLE device.
I'm using QT Creator + GNU Compiler + Open OCD + STlink(debugger) to create and program.
If I choose "gcc_nrf51_blank_xxaa...
I have a program based on some of the examples which runs in peripheral and observer roles. When either role is running alone it works without issue but if advertising and...
Hi,
my task is to develop a "repeater" and I have three nRF51422 evaluation kits.
For example, one of them sends a file, the second one receives it and then sends it to...
Hello,
Using the "simple_uart_get_ with_timeout",I cannot receive a "frame" bigger than 6 bytes.
Why?
while(simple_uart_get_with_timeout(1, &UART_RX[receivedBytes]...
I have a simple app that send button press/release events to a smart phone. One of the buttons doubles as the wakeup button. I would like to qualify the wakeup button press...
The documentation for S110 v7.1.0 sd_nvic_ClearPendingIRQ implies that it works with any valid IRQ.
I find that (using S110 v7.1.0 with SDK 7.1.0):
sd_nvic_ClearPendingIRQ...
Hello,
I'm currently reading nRF51_Series_Reference_Manual_v2.1.pdf. On page 28.9.9 there is the UART CONFIG register documented. Two bits of configuration for the Parity...
Hi,
Tried to develop an application to read current time characteristics from central device (ios app) by using nrf51822 peripheral device(s110_nrf51822 v7.0.0.). After...
Dears,
There is a problem as the subject. I am using the reference code of ble_app_hts to add an app timer for a service. the device of nRF51822 can be searched and connected...
Hi,
I'm really new here, sorry if it is a beginner question.
Our company wants to start developing a RTLS (Real Time Location System) to track mainly person (patients...
There are a few threads on using the AES module and there is a lot of confusing and somewhat contradictory information.
I want to do the following:
generate secure...
Hello,
i have an application that sends periodically sensor data from one sensor network (6 sensors - 16 Bytes) to a host f = 1/4 - 20 Hz.
I read the s210 and s110 SDS...
Hello, I'm using the nRF6310 board and tried the HID Keyboard Application
(S110, ble_app_hids_keyboard) example.
The nRF51 SDK version is 6.1. I use IAR for ARM 7.1. ...
Dear,
We are developing the nRF51822 for an application of BLE device. The timer is the key process in the application. Anyone kindly share the experience with me about the...
