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...
Does rbc_mesh_value_enable() API is designed for ? and how should I use it? and what does its parameter handle mean? Is it has the same meanning as the parameter handle of...
Through a few days of studying, I now decided that: (please correct any statements I said wrong below)
The BLE is more friendly to object oriented programming
...
I've been a little out of the loop. Can someone explain how this "drag and drop" DFU is working? And in what method iTunes is being used!?
Best I can figure iTunes is being...
Hello everyone. I am having problems using the interrups when a bootloader is programmed on the chip. My test program works fine when there is no bootloader. With the bootloader...
Hi,
I try to turn off the advertising after the first connection and then turn it on after pressing the button, this is what I wrote:
void radio_notification_evt_handler...
Hi,
I've been digging through a lot of AN's about how to design a PCB antenna, in all of them an important parameter is the output impedance of the transmitter.
So,...
Hello,
I'm pretty much new to NRF development and I'm having lots of questions trying to get a custom board to work with the provided BLE bootloader example in SDK 11....
Hi all,
Hi I am implementing MQTT client on the Nrf52 MCU, as to the MQTT broker, I am going to use the amazon AWS IoT , where the broker adopts the TLS 1.2.
I read...
I am using nRF51 and latest s310 softdevice (3.0.0) and latest SDK (v10), which is the latest compatible with the softdevice.
My device is programmed with the softdevice...
Hi,
I'm designing a 2 layer flex PCB with the nRF51822-CFAC WLCSP package and recommended ST BAL-NRF02D3 balun and on-board PCB passive antenna (not ceramic chip antenna...
Hi Friends,
I am using nRF51822(S110 and SDK10.0.0) in my project and I need the chip to be in connectable and advertising mode under peripheral config . I configured the...
Hi,
I have migrated application with freertos (S132 /NRF52 devkit ) from SDK 11.00 to SDK12.00 .
Flashed SD 3.00 and then application ,but Application is not able to boot...
Hi,
Is this the right way of reading the timer value using the capture task. In this code i am trying to read the updated value of counter for every event generated in...
Hello;
I'm developing an application that advertises as a connectable peripheral. As such, it has an ID (think of it like a beacon minor).
I have 2000 of these devices...
