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...
Guys, I would like to put the internal uC in sleeping mode while nRF51822 is advertising and wakeup him, when I establish a connection.
I know that is possible, it must...
Alright, so I am having a lot of trouble generating a valid zip file to update with nRF Toolbox (android).
I used nRFgo Studio to flash dfu_test_app_hrm.hex and dfu_test_bootloader_b...
I got a Tablet running Windows 8.1 with a Bluetooth Module that is able to find my nRF51-DK.
Is there a software I can use to interact with my Bluetooth Services of the...
I am currently developing an IoT device using nRF8001 which needs to report gas concentration obtained from a sensor. I have looked through the standard GATT profiles , and...
Hi,
I am having trouble understanding the new PACK structure in a project, in particular, with the example project dfu_dual_bank_ble_s110_pca10028.uvprojx.
My setup...
Hi,
I would like to know what is the footprint of softdevice S110 v8.0.0.
When i compile the Glucose code example from Nordic it shows a Program Memory utilised as around...
According to the device manager the length in bytes returned by sd_ble_gatts_sys_attr_get() is:
((ATTR_SIZE * (CCCD_COUNT + 1) + CRC) * 4)
When I call sd_ble_gatts_sys_attr_get...
Hi,
I'm trying to program nRF51822 Beacon Kit using nRF51DK. I'm trying to load the example ble_app_beacon to the beacon kit. After uploading SoftDevice 7.1.0, I try to...
Hi
I am trying to change the radio's transmit power in program, but I can't solve it.
I downloaded nRF51822 Beacon v1.1.0. and am testing PCA20006. (Source Code\nrf51_beacon...
Hello,
for my sensor I need to have a delay BEFORE pulling CS high. So I would like to add an argument to the
spi_master_send_recv()
function that give me exactly...
Hello,
I am altering this project: nRF51_SDK_8.0.0_5fc2c3a\examples\ble_peripheral\ble_app_hrs\pca10028
I am trying to turn on the BSP UART. I main.c the project uses...
Hello,
I am using the custom board.
There is 32MHz external oscillator.
So, I implemented like below source code for clock control.
NRF_CLOCK->LFCLKSRC = (CLOCK_HFCLKSTAT_SRC_Xtal...
Hey,
we encounter very strange behaviour when using encryption (without MITM) in conjunction with write without response . If characteristics are unencrypted (open), write...