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!
Until now I am using a nRF24L01 with johanson balun (2450BM14A0002) and MIFA.
I want to add a power amplifier to my nRF24L01 project. Can anyone give me advice which...
Hi
I have a programming issue with nRF51822. I am using the nrfjprog.dll to program this microcontroller in my test equipment via J-link Plus. When I have programmed a...
I am using single NRF24LU1P-F32Q32-T ic.i am using it only as a TAG transponder card .i wanted to know that can we program it to transmit only if there is no other controller...
hello everybody,
I measured the current consumption in two cases : in the advertising mode the current is around 4 ~ 5uA, & in the connected mode, the current is 160 uA...
Hi,
I am new to forum and to Ble. sorry about my week English.
I am working on a project where I am reading adc value every 1s and sending it over ble. So I have written...
Hi,
I'm using nRF dev kit with Softdevice 1.0.0.3.alpha. The device shows advertising state at LED1 as it should, however i can't detect "Nordic_UART" via nRF Master Control...
Is the advertising interval between two packets P1 and P2 defined as:
Interval = P2_start - P1_stop (time between packets)
or
Interval = P2_start - P1_start (time...
In a project I worked on using softdevice s110 v. 7.1.0, if the receiver hadn't enabled notifications, sd_ble_gatts_hvx would return an error, so I used the following construct...
Hi,
I want to advertise multiple UUIDs, one after another
Do I have to stop advertising, or is there a way, that I can update the struct in the background?
Currently...
I have two UART devices on a custom board with an nRF51822. I've just upgraded the SDK I use from 8.1.0 to 10.0.0 and one of the UART connections has stopped working, but...
Totally get the limitation of 3 PWM channels.
Wondering if I can dynamically re-assign which 3 pins are tied to the PWM outputs.
At boot time, I call this function:...
Hello!
I am trying to get windows phone work with nrf_uart example on nrf51 dk board (pca10028).
I am using SDK 9.0 with S110 softdevice ver. 8.0.0.
I was using examples...
Hi All,
I have got reliable writes working on nordic side (nrf51822 eval board).
Tested them with master emulator dongle by using write long button on MCP on PC.
I...
Hi, I'm porting my project from SDK8.1 to SDK10 and got a problem in app_timer.c
Main chip :nRF51822 QFACA1
Crystal:32Mhz, no 32.768
Initial is fine.
APP_TIMER_INIT...