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'm on nrf52dk platform.
I have flashed the MQTT publisher firmware in IOT section provided in nRF5 SDK 14.2, config the ip address and auth info in code; established...
Hello, I am using nrf52840 PDK, sdk 13.0.0. I managed to read accel, gyro data from the MPU9250 using MPU library based on this example . However, I got magnetometer reading...
Hi guys,
I start with SDK13 and i want to create SDcard saver same information every 5 second on card. This is my code, i have no idea why it din't work.
I red that...
Hi,
i am trying to compile nrf51_sdk example using linux
I have 1- gcc-arm-none-eabi-4.9-2015q3 in location /usr/local/gcc/gcc-arm-none-eabi-4.9-2015q3
also install...
Hi there,
How in the question title, what could be more efficient? use a nrf_delay_us or Timer with HFCLK source.
I am creating a custom protocol to transfer data between...
Hi, is it now possible to flash (via DFU OTA) a nRF51X without the nRF Dongle, but with a generic BLE dongle on Windows 10 ? Thank you for your answers.
Hello,
I am using Nordic's iOS library to perform DFU in our app to upgrade firmware on some BLE devices. Before the DFU, the app scans it as "Paradevice", but reads it as...
Hi,
I'm designing a prototype board with the nRF52832-CIAA and was planning on using the Johanson 2450FM07A0035T integrated 2.4 GHz filter, but have not been able to find...
Hi
in pcb designing of the nrf52832 we use two oscillators one is 32 MHz and another one is 32 kHz.
can't we use both 32 kHz instead of one 32 MHz for saving power consumption...
Hi,
I can't seem to find an example for receiving an update about restored value of CCCD when a bonded peer reconnects. I'm using SDK14.
NUS and HRS examples which use...
I am new to Nordic, and Keil, and not especially strong in microprocessors yet. I am trying to get currently developed firmware for a nRF52382 chip to operate on a custom...
hi expert
i use sdk14.1 ,nrf58312, when my phone(andriod 5.2.1)connected to nrf58312 board ,i find the addr type is 2, so i want write the mac to whitelist ,but when i set...
Hi, I wondered if the source code of the SDK 51422 PCA10028's firmware is available ? The one firmware which allows the SDK to flash other nRF51X over the air? If it is, where...
While the default microphone mode on the Thingy52 is ADPCM - which I got working fine in my evaluation environment - the SPL mode defined in https://nordicsemiconductor.github...
