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...
My Application will have 4 difference host in the same area, if one device send a data and receive the ACK payload, is it receive all of the 4 hosts ACK payload or one of...
Hello,
I've founded the nrf_drv_lpcomp_init function didn't configure the EXTREFSEL register that why I can't configure the LPCOMP to use the AREF1 pin as an external reference...
Hi all, i have already posted in another discussion my problem, but i will resume it here briefly:
i have a simple program (similar to the tutorial of the custom service...
Hi! I want to send data from the temperature sensor from the beacon, receive them with the nrf51 and then send them to the PC via USB cable. The nrf51 has to start the connection...
Hi!
Is it possible to scan on a single channel using SoftDevice 132 running on nRF52?
If no such functionality exists, is there some workaround? Like timeslot API for...
Hi All,
Am using NRF52, SDK 11.0.0.2 alpha , I am using HRS free RTOS example. In that I just created two tasks of equal priority. As per Free RTOS two task must switch...
Hi all,
I'm a newby in the Nordic BLE world, I hope I will find some support on this forum about my problem.
I'm working on a project to create a multilink central device...
So I bought a "social retail" beacon device that claims to have 300foot range. After getting it I realized it uses the "iBeacon" standard, which is not compatible with my...
Hi - I wanted to post for the chance it may help others in the future. I'll spare everyone the drama, but I've been stuck on this issue for days and have finally resolved...
Hi. i'm using PCA10028, SDK10.0.0, S130.
I want to check RF characteristics.
nRf51 should make RF Tx continuously.
I think there is example source code for that.
Which...
The function dm_ble_evt_handler has codes like this.
void dm_ble_evt_handler(ble_evt_t * p_ble_evt){ // from device_manager_peripheral.c
switch (p_ble_evt->header...
Hello,
I have develop and app to send BLE Advertisement packet in Android. But what I found out is my device has Android Lollipop but it does not have peripheral mode turned...
I am using the nRF52 Preview board, PCA 10036. I need to provide a high-frequency clock signal to a peripheral. Anything between 1 and 4 MHz will work. However, I don't need...
