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...
to me it made sense that EN_AA settings are controlling the receiving pipes if an ACK has to be sent back upon receiving a valid packet.
then i thought that the settings...
Hi,
I'm exploring the ANCS example with SD130 SDK 8.1.0 ...
The application acts as a GATT client to receive notification from GATT server on the iPhone.
I see in the...
Hi everyone, I am now writing a program with scheduler. But the program always can't enter app_sched_execute. I don't kow the reason. Is the scheduler blocked.
Firstly...
Hello,
I'm trying to implement a DFU support into the application, and in order to learn how it works, I'm following the steps at the page developer.nordicsemi.com/......
Is there an easy way to find out the range of handles for a service which I added? Obviously the first one is the service handle, then you add characteristics and descriptors...
Hi,
While access sd_ble_gattc_write api, I got an error code 0x00000011. If I check nordic document for sd_ble_gattc_write error code, I can't find any error code with...
I would like to use nRF2460 in my project (Hearing Aid for elder people).In that I need to transmit the data from a mic/line in to >30 receivers within a range of 100 yards...
I'm using nRF51822 and i want to send a notification to the central to notify it for the changing of a characteristic value (major_value) after using the sd_ble_gatts_value_set...
I currently have a custom service emulating the batterey service. I have added an extra characteristic to recieve data from the central in the same way as ble_app_uart. the...
Like explained in this tutorial , on master control panel I do File-> Flash Programming and reprogram the dongle, which then turns on one more LED on the dongle. But, I still...
I'm using SDK 7.1, PCA10028 eval board, SD110, MCP 3.8.0.7
I've compiled and loaded the dfu_dual_bank_ble_s110 project into my PCA100028 board. It shows up in the MCP as...
Hey,
I use ESB protocol on nrf51822. I am using one Pipe currently I can achieve only 183 Kbps, I read that i can achieve 1Mbps data rate if we use ESB. I have few questions...
I understand that it is possible to set a static passkey on the nRF51822.
However, what I would like to do is handle the verification of the user-entered passkey myself...
Hello all,
I am completely new to BLE and would like to make a sensor network with nRF51822 ( 1x S120 as center node and 8x S110 as slaves) I have been reading the content...
I am trying to make my NRF 51 advertise forever till someone connects. I have based myself on the ble_uart example where it uses fast advertising with 40 ms intervals for...
