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...
I am trying to bring up a simple program on the IAR tool chain 7.40.1 using an I-Jet debugger using the nRFDK. I have this simple programming running under the Keil code limited...
Hello,
I tried to merge the UART example and the HID keyboard example.
When I pair my phone (android v4.4.4) to my nRF51422 chip (in the phone bluetooth parameters)...
I'm still having a bit of trouble getting my board to receive Heart Rate information from the demo example provided in the 7.2.0 SDK. I've configured the network key correctly...
I am trying to hook up the following accelerometer with my MPU-3050, but I am having trouble reading from the registers. So far I have code that looks like this.
Accelerometer...
Is it possible on the nRF51822 to surface an every from the Soft Device whenever a client attempt a scan (is it SCAN_REQ?)
This is for an iBeacon implementation where I...
I'm doing some work with the nRF51822 smart beacon kit. I tried to do an over the air firmware update of the application, but kept getting dfu invalid state (2) errors after...
We've got an application (not using SD or SDK functions) that locks up the nRF51822 and does not reset even though the watchdog is configured and confirmed to work in all...
The release notes for SD 8.0 note "The default behavior is now that the application can use the CPU while the radio is active".
Does this mean that this code is no longer...
Hi,
I am trying to connect the demo board nrf6929 to my demo nrf51822 (PCA10001).
In nrfready_voice_input_module_user_guide I couldn't find any information about updating...
Hi,
I'm using a lightly modified copy of the Multilink central S120 example code. When I get to ble_stack_init() the first thing it does is SOFTDEVICE_HANDLER_INIT(NRF_CLOCK_LFCLKSRC_XTAL_20_PPM...
I found the Ble Serialization here and the example sourcecode within the sdk sources.
It uses uart with 38.400 Baud and hardware handshake (Rtc/Cts).
Is there also example...
Hi,
Looking at the manuals for the S110 and S120 soft devices, I don't see mention of the bootloader in the S120 manual. Does S120 support bootloaders?
I want to make...
Reading the following post:
devzone.nordicsemi.com/.../
made me think that I could use either the nRF51822 or nRF8001 in my design. However, the following post:
devzone...
Hello everyone,
I have had an idea for a cheap homemade programmer for nRF51822. I don't know if it could work, it's just an idea I would like to discuss with you.
I...
I am trying to port the SDK 8.0.0 to use the IAR ARM tools and I am having a problem getting the linker to link the file system_nrf51.c that is called from iar_startup_nrf51...
