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...
6.1.4 Erasing a page in code region 1
When erase is enabled, the NVM can be erased page by page using the ERASEPAGE register or the ERASEPCR1
register. After erasing a NVM...
Hello,
I was testing BLE Heart Rate Collector Example with two nRF52832 devices, one was programmed with ble_app_hrs_c as a BLE central role, and the other was programmed...
Hello everyone,
I have very pesky bug that is leaving me in fits. I have a feeling it is a timing issue, but I am not sure at this point. Here is my issue, and I would...
Hi Devzone.
I've taken the ble_app_hrs example,
and then added the example code from the PWM Driver example.
The PWM module is mostly functional,
however I have a...
Hi,
I'm trying to build a SPI Slave <-> BLE bridge, so that everything received over SPI bus is forwarded on BLE and vice versa. In order for the reverse direction to work...
Hello,
i think this is simple question, but nowhere i can find answer. Is nRF52840 preview development kit (PCA10056) contains built in nrf52840 microcontroller or i need...
I am going through the BLE Central tutorial and am a bit confused by the APPL_LOG function calls, from what I could understand it should give messages on serial port, like...
Hello, I have nRF51822 Beacon Kit (pca200006) and nrf51 dk board (pca100028)
I had an impression I could flash beacon and upload new files using nrf51 dk board as jlink over...
I am using IOS nRF Toolbox 4.2 DFU function on nRF51 DK PCA10028. I followed the tutorial here .
Use nRFgo Studio to erase all.
Use nRFgo Studio to program...
We have an nRF51822 peripheral device that is bonded with one and only one central. The central is always an iOS or Android phone running our app, which is scanning at "low...
In the BLE advertising library, in SDK 11, is the timeout for directed slow advertising specified in seconds, or in number of tries?
Seconds would be more consistent with...
Hi All,
I have got a project running on an nRF51422 QFAC, using the lastest SDK.
I am having some problems with the app_timers, i am able to create and start them, and...
Hello all,
i am working with the nRF52832 DK and SDK11. Actually the Enhanced Shock Burst Communication is working. I can send and receive messages. From this point on...
Lets say, that I've got a chip with program in its flash. I know I can protect it from being read back, but can I protect it from flashing anything else through debugger interface...
