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...
Dear members!
I followed the tutorial of the nRF8001, and tried this code: learn.adafruit.com/.../nrf-uart-in-detail
It worked for me just fine, but...
I have an...
Hi there,
I'm attempting to use the UARTE for a continuous read scenario but I am noticing there is significant delay between the STOPRX task and the ENDRX interrupt (...
Hi,
I'm trying to get a custom PCB working. I can use either the plain peripheral UART, or the ble-app-uart example projects on the NRF52-DK and they work, but they don...
I am using the nRF52 Preview kit (PCA 10036 board) and SDK 0.9.2. Up to this point, I have been able to do everything I want with TWI using the hardware driver. This time...
I tried measuring idle current for nrf51422 board and got something about 1900 uA using multimeter without resistor and with bridge SB9 cut. I know the value is too high....
Dear all:
error occured when I was programming application hex in nRFgo Studio1.20.0,just refer to "program application error.png" ,the error shows "programming failed...
I have a sensor device that needs to transmit every so many seconds. I am looking for a code example to run on nRF52-DK that will do this, sleeping inbetween transmissions...
According to the Gazell using the 1MHz spacing for each channels and the DTM using 2MHz spacing.
Then can we use the DTM channel 0 for Gazell channel 2 to test the Frequency...
I am looking for a nordic BLE development board that can do data transfer through the UART. Something like SPP (Serial Port profile).
Here is what I need;
The iOS and...
Hi,
Question regarding blog from Thomas Søderholm ( blog.nordicsemi.com/.../which-technology-should-i-choose-to-connect-my-wearable-device-to-a-phone):
Can't you do...
Keil 5.18a forces me to install "missing Software Pack"
I am trying to set up SDK 11, SD312, with Keil 5.18a, but when I try to load an example from the SDK 11 examples folder...
Hi! I have a nrf51 that act as a central and a beacon that is my peripheral, they connect to each other using is_uuid_present but I can't enable notification using db_discovery...
Hello,
I am currently designing a PCB containing the nRF51822 chip and I am concerned about how I will be able to update the program.
I have 2 main questions :
I...
Hi,
I developed an application with Nrf51822 with some bonding need.
No problem with android or using the dongle, but using iOs systems it happens that after a random attempt...
When I add a GATTC in S110-V6.0.0 ,my GATTS stops working,the NRF Master control panle retern ERROR(0x85):GATT internal ERROR Error(0x85):GATT ERROR .Can S110-V6.0.0 run GATTC...
