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'm trying to send long (73B) data on a given characteristic using Android client as the central.
I well received:
USER_MEM_REQUEST OK
> #define...
Hi to everyone!
I'm following this guide to learn how to use secure DFU on a nRF52832DK board.
All steps have been done successfully, or I think so, until I reach the...
I want to find the agent of China, please, thanks
About Bluetooth and 2.4G, nRF52840/nRF52832/nRF52810
(The agent can provide some technical support and sales)
Can someone please explain the below line mentioned in NRF5 Serial port abstraction layer documentation.
Do not use synchronous API (timeout_ms
parameter > 0) in IRQ...
Hi there,
I want to flash nrf51 firmware from another MCU which is connected to nrf51 with UART interface.
I have seen dual bank serial bootloader examples, in that firmware...
Hi,
I know this has been touched on in other posts but I can't find a definitive answer.
I am making a product that sends data from a handheld joystick to a base station...
Hi All!
we are trying to tune Antenna use DTM over UART from examples.
It is works fine for AAAA IC but doesnot for AABB IC.
Why, what's possible problem?
thx...
Hi everyone,
My configuration:
nrf52832 microcontroller
Softdevice S132 V4.0.2
Nordic SDK 13.0
I need to develop a repetitive task with 10 Hz frequency...
Hi
I am trying to use the serial bootloader to upgrade nrf52 application, but I get verification failure.
I am using nrf52832 with SDK 13.0.0 & S132 SoftDevice v4.0...
Hi,
(1) I look for some methods that suggests is application flag to record. but I set this ble_adv_on_disconnect_disabled = false;. How do I check ble state when disconnect...
Hi
I'm trying to write data to flash and access it via declared const variable.
I can't use UICR because we are on NRF51 and this does not allow to change data in UICR...
Hi All,
I have this problem with using the ESB + Timeslot example from Github .
The interval of the ESB TX Transmit is depended on the advertisement interval I configure...
I am looking into registering product with Bluetooth SIG, and was reviewing this document:
www.bluetooth.com/.../qualification-listing-fees
There I found the item "16...
Hello,
I have an issue with a nRF51822 TWI. I am using the "TWI sensor example application" as a base code.
The TWI module seems to powered, enabled and ready to communicate...
Hi,
I am looking for an illustration of the radiation pattern from the nRF52-DK PCB antenna.
A similar question was asked previously but in this case I am hoping to...
