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 all,
I downloaded the nrf51SDK_.8.0.0 from nordic site and tried to flash the new softdevice s110 but failed. I used an android application to flash it over the air...
Hi:
i use ble_app_uart project and want to change the UUID lenth(128 bit) to be 32 bit;but i change "nus_base_uuid" to be 4 byte and change "uuid128[16]" to be "uuid128[4...
Hi,
Does hardware that has already a Qualified design Listing (Bluetooth.org) requires re-testing of the RF-PHY ?
(refering to transmitter tests (i.e TRM-LE/CA/01/C (output...
Hi,
Im using a module NRF24L01 + LNA bought off ebay, connected it to msp430 via SPI interface. All spi communications are going solid, I manage to completely configure module...
I am trying to create a file and write to it during runtime. When I use fopen with "w" option to create a new file, the file pointer is always retuned to be NULL.
Is there...
Hi,
I recently tried SDK7.2 on PCA10028 board in order to make sure that SDK7.2 works well before I migrate my project to SDK7.2 codebase. My project code didn't work as...
Is it possible to do OTA from one nRF51822 to another? Is so how, and is not why?
I am using S120 and S130 for my applications and would like one device to uppgrade another...
Nordic has provided a good SPP implementation over BLE.
devzone.nordicsemi.com/.../
However, will it raise power consumption and cause BLE to lose its low-power characteristics...
When trying to do a direct advertise massage ( sd_ble_gap_adv_start ) I get error code NRF_ERROR_INVALID_STATE (Invalid state, operation disallowed in this state). This is...
Hi Team,
In my application UART is used.
I need to send parity bit based on particular responses that I need to send to the device
connected to UART.
Can I change configuration...
Hello,
I'm working with timeslot API (basing on github.com/.../observer) . I have an advertising and active scanning running concurrently. However, I want to completly...
I am using nRF51822 to generate 3K HZ PWM signal for a buzzer.
I read other people's question and try it.But as far i can't solve this issue.Please help.
At first i use...
Hello,
I just ordered a shiny new nRF Beacon from Mouser. The beacon is version 1.1.0 advertising "DfuTarg", so I am attempting to flash the application file that comes...
Enlight of the increase in 8.0 SD size, I am concerned that my application size may soon grow too large to utilize Dual Bank DFU. I know the actual size of the .Hex files...
