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'm trying to design a very low power sensor that takes readings using ADC and SPI 200 times a second. I'm a bit worried by the current EasyDMA uses (1.1mA). As far as I can...
Hi,
is there something like a makefile for nrf52 out there?
I want to use eclipse and gcc in osx. It worked great for nrf512 but nrf52 has other addresses and maybe...
Hello all,
Lets assume that central bonded with nRF51822 peripheral and than disconnected. If bond is saved on peripheral- ok, cental send BLE_GAP_EVT_SEC_INFO_REQUEST...
When i try to do an update with Nrfutils Under android i get a REMOTE_DFU_OPERATION_FAILED since i added signing.
I created my pem file key with nrfutil.exe keys
i copied...
Hi
I'm trying to get working a project by using S132 v3 alpha. I'm stuck at function sd_ble_enable. This function should return the minimum RAM memoy would need the SD...
Hi Nordic.
So, I am using GAZELL to link a sensor node (PCA10001) to a host (PCA1000)
When the node is connected is should automatically send its address to the host....
Edit 2: Files need to reproduce the issue described in this questions:
pwm_conn_itvl_bug_files.zip
To reproduce the issue please just replace the main.c and nrf_drv_config...
Hi,I want to ble stay in fast connection interval after connection succeed. So I set the connection parameters like that:
#define DEFAULT_DESIRED_MIN_CONN_INTERVAL MSEC_TO_UNITS...
I'm using pc-ble-driver on Windows7 (from master as I'm using a s130v2 programmed dongle) to connect a BLE device ( developer.nordicsemi.com/.../a00053.html).
This device...
Hey I'm newbie,
I am using simple timer of nRF52 for my Project, I set frequency of 16MHz for simple timer but Im getting frequency of 280kHz, I tried at other frequencies...
Hello,
I am working on optimizing my BLE transfer algorithm. Therefore I am searching for an efficient way of using the characteristics.
Example:
At the moment I have...
Hello,
Interesting if someone ever tried to get connected with any kind of fitness apps?
I tried to connect the Strava with nrf51244 in in HRM profile, no success. It is...