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'm working on sdk11.0.0 signed bootloader and I made change in it. Due to these changes bootloader size increased and not fit in the memory allocated to the bootloader...
Hello:
The product specification (v1.3, pg 263) says temperature sensor accuracy min = -5 C and max = +5 C.
Its not clear if these accuracy values correspond to the...
Hello,
I meet the same problem with the question " Status bit for sd_flash_write() ".I have register my flash_nrf52_sys_event_handler() in sys_evt_dispatch(),but after...
I am trying to find examples for nRF51 dongle P10031. I would appreciate some guidance and help regarding the same. Its my first time using the device.A link to a sample example...
I have this working and producing good and accurate results, but I'm still puzzled by some of the examples in the SDK and the documentation.
I am using the processor to...
Hi,
In my application, using BMD301 i have made one custom PCB. I am using SDK 12.0.0. In my PCB I have not used all the four LEDs. I have assigned p0.19 to the BSP_LED_0...
I'm using SDK 12.2, and nRF Connect on a Windows machine. I started with the ble_uart example.
I need to send data in my advertising packets. In advertising_init() I initialize...
This is referring to running a peripheral device on the PCA10028 eval board.
Let's say I have a connection interval of 100 ms, and a slave latency of 5.
So the BT stack...
Hello, I am using an nrf51822 but have no success in advertising.
I tried so far to load the ble_app_template from the peripheral examples where I' ve only changed
#define...
Hi,
I am looking for a BT module that can connect to both a BT Jabra audio headphones in addition to a BT HR chest strap with 2 live connections simultaneous.
Do I have...
I understand part of ram is used by the softdevice, but I see different addresses are used in different examples that use the same softdevice, namely S132. For example,
...
I am trying to run the examples given by Nordic on my nRF51 dongle. Most the examples are for PCA10028 or PCA10040 where as my dongle is PCA10031. I tried running them but...
Hi,
I need 6 PWM channels for a BLE project. Is there any solution to add 2 other pwm channels to nRF51822? If not, Which other Nordic ICs might be helpful instead?
Thank...