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. I have been trying to follow nAN-29 to migrate from Keil to Eclipse without success. I was excited to find the blog, devzone.nordicsemi.com/.../ . The blog suggests that...
Hi all,
I just had some general questions regarding events and timers on the nRF51822. I'm coming from a Ti CC2540 8051 which used an OSAL system. This made it quite easy...
Hello,
While I was making SPIS part, I got several issues.
I am using STM32L151CB for SPI Master and nRF51822 for SPI Slave.
It seems many people had issues with SPIS...
I've made a modified version of the example DFU provided with SoftDevice v7.0.0-3 alpha that works in single bank mode instead of dual (because I need to bootload a huge app...
Hi all !
I have been working on an nRF51822 based board for a little while, the ten 1st prototypes worked well so we asked our factory to make 20 other with the same design...
Hi All,
Is the lite programmer which comes with the nRF51822 Development Kit sutable to program my code into nRF51822-Beacon?
If yes what cable would I need (supplier...
Hi,
I'd like to read PnP and the system ID from Device Information Service.
How can I initialize system and PnP ID? Are there any examples how to do this for nrf51822...
Hi,
I'm calling sd_ble_gatts_hvx and every once in a while I get an error code of 0x3401. I went through the SDK documentation but I could not find what that error code is...
Hi,
I have a peripheral device that needs to connect to both Android and iOS phones. Depending on which type of phone it connects to it is required to perform different tasks...
Hi
I tried SDK6.0.0 porject at below link.
C:\Keil\ARM\Device\Nordic\nrf51422\Board\nrf6310\s210\ant_bicycle_pwr
According to SDK documentation, we didn't need to modify...
Hello!
I need more battery life and higher resolution in my applications. That's why i need to level down the signal power, if it is possible. Thanks in advance.
Hi,
I'm using nRF51822 Bluetooth Smart Beacon Kit. Is it possible to to switch between
beacon mode and configuration mode without the need to press SW2 button e.g.: by...
How do I keep advertising when I have a connection come in? I'm a BLE peripheral.
I'm running SD 7, is there a particular flag or sequence I need to do now that I've upgraded...
