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...
Hi NORDIC
I download the example of multilink central (S120) into nrf51822 . I do not know why it can not work ? My SDK is s110_nrf51822_7.0.0_softdevice . Please help...
i am very confused about how to count pulse by using nrf51822? I am going to make a heart rate counter, but i don't know how to config registers to achieve this function....
I can't get a simple application, no soft device, to debug on the nRFDK 10028 board using the I-Jet. I am using the debug in and powering the device from an external power...
Hi
I'm starting with NRF51822. I'm going to develop a costum PCB using this chip. I'm a bit confused because searching on the forum I saw that I need a product key to use...
Hi,
I'm running Mac OS X 10.10.2 with the nRF51-DK PCA10028 card that I received today. I started off following the instructions in this article , and was able to get JLinkExe...
Hi all,
I am using the multi role example ( github.com/.../nRF51-multi-role-conn-observer-advertiser) to scan and advertise concurrently.
I was wondering if the scanning...
I have a 16MHz external clock oscillator to drive a micro controller in my system. Can this also be connected to the crystal input on the nRF24L01+ to drive it's clock? Should...
Hi All,
I wanted to write a patient record to glucode measurement charateristics from android Phone which supportes BLE features . How do i write a record to BLE device...
When using the OTA DFU using the button press implementation is it possible for the bootloader to require bonding? I figure I can use the preserve app data functionality built...
Just took the developer.mbed.org/.../ code and run it on the board.
But when I try to connect with my phone I get: "Device doesn't support UART. Disconnecting".
What...
Hello,
I am using the RedBearLab's BLE Shield 2.0 and I'm trying to modify the advertisement data using nRFgo studio to include manufacture data (type: xFF) for one of...
Our IC nRf51822 has an identifier "QF AA CO" (IC rev 1) The document "nRF51 Series Compatibility Matrix", Table 4, shows the maximum version of the SDK 5.2.1 and 4.4.2 SD...
Hi guys,
I install V1.6 nRF ToolBox apk in my Android phone, and want to do the DFU operation.
When the device in DFU status, I select the target HEX file but it shows me...
We are configuring the watchdog like this:
// Watchdog
NRF_WDT->CONFIG = (WDT_CONFIG_HALT_Run << WDT_CONFIG_HALT_Pos) | ( WDT_CONFIG_SLEEP_Run << WDT_CONFIG_SLEEP_Pos...
