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,
I tried implementing serial communication between nrf52832 and HT1632.It didnt work.In HT1632 data sheet it has given following specifications
will nrf52832 supports...
I am trying to build the simplest nRF52 BLE Peripheral application (Lightbulb use case). I am facing below mentioned errors:
Building ‘ble_lightbulb’ from solution ‘ble_lightbulb_pca10040_s132...
Dear all,
I'd like to use 2 spi and 1 i2c at the same time. Can nrf52 support? I read some thread said that only using 1 spi and i2c or 2 spi. Please advice.
regards...
I'm using SAADC like this:
And I'm not getting the done event. I've also tried not low power mode.
If I place a breakpoint in nrfx_saadc.c nrfx_saadc_irq_handler, after...
I'm compiling a custom application using the CMake scripts in the nRF mesh SDK , and I'm trying to print floats using vsnprintf (I'm guessing the problem is the same as with...
Hi,
We are using nRF52 DK tool to sniff BLE data. We we using Wireshark plugin to interface nRF52 DK tool. nRF52 is updated with latest firmware. We keep the tool in between...
Hi,
we are porting code of our project from SDK 14.2 to SDK 15.3.0, and have encountered unexpected behavior from the fstorage module. Even though SoftDevice and BLE stack...
I'm trying to work with the PC-BLE-Driver with the connectivity firmware. I've loaded the connectivty firmware and the application appears to connect to the board. But I'm...
Hi,
I working on the module developed based nRF52840.
I would like to clarify some doubts regarding the TX power of the chip.
The TX power value is higher at the temperatue...
I think there are should be smartphone cpu with bluetooth 5 long range mode support.
for example Qualcomm Snapdragon
Qualcomm Snapdragon 439
Qualcomm Snapdragon 710...
Hi all,
I am looking for some advice on how to implement a couple of extra characteristics(Related with battery) with the Battery Service apart from the usual Battery Level...
In " nRF51 Series Reference Manual ", in TWI chapter, it is mentioned to configure the GPIO pins with drive strength S0D1, to secure correct signal levels on the pins used...
In my application I'd like to use nRF52810 due different reasons. Since we're still in evaluating phase, without even choose a brand and related EVK, I've some basic questions...
Hi,
I am adding "install codes" function to my products.
Questions are
1. How many entries can i add with "zb_secur_ic_add" at ZC site?
2. Can i retrieve mac/ic (install...
Hi,
We are starting to measure the power of our nrf52840 based design.
I'd like to establish the power number for Idle() , since system will be in Idle() most of the time...
