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...
The document nRF51422_Evaluation_Kit_User_Guide_v2.0.pdf says:
Locate the Heart Rate demo project found in the folder
ARM\Device\Nordic\nrf51422\Board\pca10003\s310\ble_app_hrs...
I copy static void radio_disable(void) and void radio_tx_carrier(uint8_t txpower, uint8_t mode, uint8_t channel) into my project.
I call radio_tx_carrier(RADIO_TXPOWER_TXPOWER_0dBm...
Hi all,
I have a spurious crash in the softdevice I guess.
It occurs sometimes when the master (an HTC-M8 android phone)
rapidly submits characteristic changes
(acknowledgement...
SDK: V6.0
HW: PCA10001
APP: s110/ble_app_hrs
Question:
If use "twi_master_init()" with "twi_hw_master.c", the current consumption is added 1m
A. But if use with "twi_sw_master...
Hi I am completely new to ARM development world. I have been developing for years for PC.
Now I am working on a Project where we have decided to evaluate nRF51822 chip...
I would like to know if it is possible to use the internal RC oscillator without calibrating every 4s with the softdevice disable. I just want to read a sensor every 2s and...
I'm interested in using BT LE to collect data from a number of serial based devices -- a point-to-multipoint configuration. I'm familiar with the UART examples and have seen...
Hi,
i am searching for infos about my concrete BLE-Sig certification situation but i cannot see the forest because of all the trees :o)
i am currently developing a BLE...
Hi,
I know that a lot of question exists on that subject, but I can't manage to have an accurate battery measure on [Nordic Beacon device] (battery CR1632 3V) ( www.nordicsemi...
Using the nRF Beacons app, but cannot see the battery condition of each beacon. Is this already implemented - if so how to turn on? If not how is it implemented?
Using the nRF Beacons app, but cannot see the battery condition of each beacon. Is this already implemented - if so how to turn on? If not how is it implemented?
Hi,
after reading the nAN-36, I tried to write an application for the nRF51822, with the custom Led Service provided with nAN-36.
I take as a base the Nordic HRM application...
Hello!
I'm using the evaluation kit and i have two questions: firstly, I'm trying to make up a program that allows the communication between two modules, on one side a glucose...
