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 I am trying to program this nrf51822 module. I am using J link Cortex M9 . I want burn multilink peripheral in it.
I have followed this link.
I have connected everything...
I would like my device to advertise for 10s and then begin advertising again only on an external interrupt.
What steps are required to restart advertising without restarting...
I am trying to reprogram a usb dongle device from AdaFruit (Bluefruit LE Sniffer), which uses the nrF51822 SoC, using nrFGo Studio. In the device manager I'm innRF5x Bootloader...
Hello everyone
i am trying to set the password for connection whenever its start advertsing but the static passkey option will set the pssword only for bonding not for...
Hi.
I am using nRF24, nRF51, and nRF52 chips.
Today I saw nRF31562A on some device(wireless mouse of Logitech)
However I can't find any information about this chip,
even...
Hello,
I would appreciate if you could help me solve what i am trying to do. I have nrf51DK board with nrf51422 on it, PCA10028, S130 and i want to use to scan for another...
Hello,
I am working on SDK 9.0 and softdevice 8.0 and the requirement for my application is the device has to advertise till it gets connected and even after disconnection...
Dear all,
I get a new nRF51-DK and I am trying to download an hex file into it.
I downloaded and installed nRFgo studio.
I connected my nRF51-DK to my...
Hi. I've gone through a lot of documentation and can't seem to find if this is documented by Nordic semi.. please answer if you know, or can point me to experiments/documentations...
I soldered 5 pieces of PCBA with nRF51822, but I got only one PCBA which can connect to J-LINK. I checked the bad four and found that SWDIO of nRF51822 on the four board is...
I'm having a weird hardfault and, I can't make sense of it.
Here's what I do know:
nrf sdk 9.0.0;
nrf51422 on a dk;
I have RTC1, SPI0, and TWI1 enabled (also a uart for...
Hello,
call of app_pwm_init() function forces logic 1 on PWM enabled pin after advertising timeout expires. Why? It causes my LED to turn completely on after advertising...
Hello,
In my code I would like to switch between BLE advertising and listening nearby devices (and save their RSSI) in the same code. After each advertising period, I would...