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 have a problem when i try a dfu on my device for the first time.
To explain, my device is flashed the first time with NRFJPROG, and i flash the SD+BOOT+APP.
So...
Hi,
I have used nRF5_SDK_15.3.0 .
I have tested secure_bootloader example code with Adafruit Feather nRF52 Bluefruit LE - nRF52832 Board . And its advertising and work...
Hi,
I have an application that uses the nrfx_saadc driver to measure voltages. One init-function that sets up the saadc and two channels, and one sample-function that calls...
We are more or less successfully using libUARTE for talking to an STM32 at 1M Baud. It was a long and tedious road to get there, but it looks like we finally got there
The...
Hi,
I have two peripheral devices both advertise the same device name 'R' but have different characteristics. I am scanning and connecting to one of them via central device...
Hello.
During customizing a DFU, but I'm having trouble adding function [nrf_dfu_transports_close] in function [on_ctrl_pt_write].
I'm not now fetching all the c files...
Hello,
IDE: Keil Board: PCA10040 nRF5238 DK SDK: v16.0
I am looking for a BLE peripheral example that connect to an iPhone. As a first step, I would simply like to evaluate...
I have a button matrix (2 rows, multiple columns) connected to an nRF52840. After driving the two row pins appropriately, the first column pin I read (regardless of actual...
Dear All,
for the next revision of our product we've added a RTC / calendar IC with 32kHz clock output and it would be great if I could save some real estate by using the...
Hi,
I'm currently developping a peripheral. This one uses Peer Manager module to handle pairing. This peer manager is configured properly with pm_sec_params_set (as far...
Hi,
I was working with the SPI interface of nrf52DK microcontroller boards and wanted to know if there is a way to change the timings of the low and high levels of the Slave...
I'm designing a solution based on a series of nodes that senses data and has to send it wirelessly to a hub. Each hub must be able to receive data from about 4 to 8 nodes...
SDK: 15.3.0 Device: EYSHJNZWZ (nRF52832)
Please tell me the operation when garbage collection is executed. The setting values of FDS are shown below for reference.
We...
nrf52832 master wakes up the slave under sleep?nrf52832 slave wakes up the host under sleep?
My boss wants very low power consumption. I think the host can wake up the slaves...
