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,
We are trying to use the over-the-air bootloader in our application.
Our problem is the bootloader seems to require one first over-the-air download before it allows...
Which pins are mapped as ADC inputs for the NRF51822? I've pored over the documentation, but I can't seem to find which ADC pins (AIN0 to AIN7) correspond to which GPIO pins...
Hi
My aim is to be able to update the application code OTA in a 128kb chip (version nRF51822 QFABB0). First, I want to use the nordic original code to discard any other...
Hello all -
I'm trying to learn about the db discovery module from the perspective of the BTLE central and I'm a little confused by the client architecture. The SDK documentation...
I'm developing an application for a device which needs to support DFU service,
If my device get the specific packet over BLE (like 0xd1), i want to start dfu service. ...
I'm trying to study Message Sequence charts under the BLE GAP (Generic Access Profile) section of the s110 soft device.
However, I've noted that multiple links don't seem...
Hi
I'm studying at university and working on my thesis.
What I'm doing with a remote control and I want to measure the impedance of the antenna, because I want to be documented...
Using: nRF51822-BK-FW (v 1.0.1).
From within, there is the source files for ble_app_beacon_bcs that when compiled/loaded on the beacon hardware, causes the LED to blink...
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...
