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...
Hello, i have a NRF51822 beacon and a reader, i read a advertising data:
0201041AFF590002150112233445566778899AABBCCDDEEFAB010200FFC300
i know that the uuid is:
0112233445566778899AABBCCDDEEFAB...
Hello!
We are doing transfer from an Android app to a device using nRF52. We don't get the transfer speed I have seen other achieve. I get between 8.5-10 kbps. As a reference...
I added a few custom services the ble_app_hrs code. I tried to flash the code, it was successful, the device is advertising but not connecting in the nRF connect app. What...
hi,
i started a project based on the ble_app_uart_c example and i have a working connection with a central and a peripheral board. now i'd like to have two peripherals...
Hi fellows,
I'm trying to control accurate/deterministic timing of the first bit from MOSI PIN of SPIM, employing EasyDMA.
According to Figure 69 SPI master with EsayDMA...
Hello,
I noticed the linker file we were using was for the nRF52832_xxAA so I got the nrf52832_xxab.icf from C:\Program Files (x86)\IAR Systems\Embedded Workbench 8.0\arm...
Hello,
I need to add firmware update process via air to my NRF 51822 device that runs application code on stack 12.2. How can i achieve this?
Do i need to add...
Hello,
I want to develop small modules with smart BLE that only sends advertise every 2seconds.
Do you think that the Central module can see all peripherals if the installation...
Hej, I just spent plenty of time finding an answer on above error within here with no luck. Since
there are certainly others facing this problem, I hereby post my solution...
sdkconfig.txt mainc.txt (/attachment/6fb97103178e9eb2c30302351e63ce8f)Can you please tell whether i follow the the entire tutorial as in the link or just the first step for...
Hello, when invoking sd_ble_gatts_hvx, it returned NRF_ERROR_INVALID_STATE (0x00000008), I wanna know what are the list of possible errors, here are a list I made:
CCCD...
Ciao all,
Two weeks ago I have started to learn about beacons and their usage. I have bought pca10040 development kit and designed custom nRF52832 based beacons. After...
Hi,
I've just hit a strange issue with SDK 12.1 on nRF52832.
Usually on BLE_GAP_EVT_DISCONNECTED , sd_ble_gap_adv_start gets called to start advertising and everything...
I am new to nRF 52. Previously i have worked on arduino IDE for programming arduino uno,mega. I have also used MPlabX for programming PIC(MircoChip) series micro-controllers...
Hi,
For the NRF52832, I read that a number of write (per block) is limited before a forced erase of the page. Apparently, the amount of write is 181 times for a block of...
