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...
I want to store sensor measurements taken every 2.5ms persistently. Does a write to the internal flash happen faster than this? Can I safely assume that the internal flash...
Could somebody, please tell me what it means? I couldn't find it in the docs.
uint32_t bleDeviceManagerInit()
{
uint32_t errorCode;
dm_init_param_t params;
dm_application_param_t...
Hi, can someone help designing one PCB antenna (1.6mm PCB thickness)?
Also, I intent to do another design using with amplifier and di-pole antenna (also in 1.6mm PCB thickness...
Hi All,
Complete newbie here... Essentially I'd like to modify the nRF51822 smart beacon kit to also advertise it's battery level. From this link it certainly seems possible...
I'm developing an application based on SD130 1.0.0 (latest) and DevKit board with 51422 chip.
The application uses timer for some synchronization purpose. Operation with...
Hi
Maybe I'm getting stupid, but I'm having problems to program my new nRF51 DK kit. I was working last year with the previous version with no problems, but with this new...
Hello,
I noticed the various examples as well as the ble_advertising component all check for pending flash operations and will not start advertising until they are all...
hi guys,
im developing a program to interface accelerometer MMA8452 with nrf51822.so if accelerometer is in peripheral device,how do i send the x,y,z co-ordinates from peripheral...
Hi everybody, i am working with a nrf51822. S110 with sdk6.1 IDE:keil
I want to do FLASH Erase while in a connection.
I have read this page devzone.nordicsemi.com/......
On initialization of the bsp, I get ERROR 4 (NRF_ERROR_NO_MEM) when I define LOCATION.
Why is this? Because it seems rather weird there's no more memory at that point in...
Hi all,
When I start the bootloader using ble_dfu service as-is in my application I get no ble events in the bootloader. When I call the bootloader from the main loop it...
I have a sample program that is failing on sd_ble_gap_device_name_set with an invalid parameter.
It's calling BLE_GAP_CONN_SEC_MODE_SET_OPEN(&sec_mode)
And then it passes...
