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 am trying to use SPIM3 to drive LCD(ili9486), but I have encountered some problems, hoping to give me a solution.
I have 2 questions:
1. spi_config.dcx_pin
How...
Hello, we have run the power profiler on two different example projects, and want to understand the difference between the two.
When we run the blinky project
nRF5_SDK_16...
I am buys setting up a project on the NRF52 that needs to use the TWI. Usually I would read byte for byte, and if one of the registers has enough data to justify it, I would...
I tested sdk16.0 with secure uart debug example, that DFU needs to enter bootloader twice(press button4 and reset twice), first time to update setting file, second time to...
Hello,
I am developing using nrf51822 and J-Link.
In the Keil4 version, the RTT viewer worked fine, and only the project was migrated to the keil5 version,
but the RTT...
I'm using PCA10040 to test nRF52832.
But I can't see J-link device after connecting USB.
I installed J-link(segger), nRFgo studio, nrf command. But I can't see my PCA10040...
Hello, we are using the ble_app_uart example code, and are trying to modify it so that if a certain UART sequence is received from the connected microcontroller, it will disconnect...
Hi
I'm working on a project interfacing the nRF52840 board with the lis2dh12 accelerometer
I'm using SDK 15.3, basing my code on the provided driver and information...
Hello!
Now I have two devices about nrf52832 .One is central and another is peripheral. So I want to transfer the peripheral mac address to the central via nfc.
I do...
This is the config fun followed。
one sample every 125ns,one ant get 12us =96 samples.
and first 2+32 samples is ignored。
*******************************************...
I've already tried to set some zephyr configs, but n51822 to run as peripheral it nedds at least ~20KB
Have anyone got success or all the nrf51822 QFAA H2 will really never...
development environment: SDK 14.2 , NRF52840 as central and NRF52832 as periph for Bonding: Passkey Entry, Central displays, and the error occur on nrf52840.
I want to know...
Hi all! I am currently using an nrf52840, mesh sdk v3.20 and sdk v15.30
I have the following scenario which I am trying to solve:
I am receiving a new GAP name for each...
In an earlier thread ,
[quote userid="17188" url="~/f/nordic-q-a/33649/j-link-the-firmware-of-the-connected-j-link-does-not-support-the-following-memory-access-read-0x02000004...
I'm using the nus_c service with multiple central connections. Obviously, I need the connection handle in my event handler - ble_nus_c_evt_handler(ble_nus_c_t* p_ble_nus_c...