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 developers,
I've got an nrf51822 EVA kit with on it the QFAACA chip. KEIL v5.0.5, J-link V4.78, nRFGo Studio V1.16 and nrfGo SDK (zip) V4.4.2. The Softdevice on the...
when I enter the system off mode then used a GPIO to wake up the IC, the "RESETREAS" register show "Reset due to wake-up from OFF mode when wakeup is triggered from the
DETECT...
Hi,
I have only nRF51822 DK without starter kit motherboard. how can I download softdevice(S110 Bluetooth low energy stack) to my nRF51822 chip in the Keil environment?
...
Hi all,
the release note of SDK 4.3.0 reports that it was tested and verified using BLE S110 version 5.2
When it will be available (version 5.2) ?
Actually we can download...
Hi,
I want to read the data by the radio.now I have read the temperate data from the tags by 51822. the data include the ID value and the temperate value. the ID is hex ...
Hello,
I'm working with nrf51822 on a custom board and i'd like to use the LPCOMP as wakeup source. I configured the module by the code listed above:
void lpcomp_init...
So now that I understand the problem with overlapping asserted events on the GPIO port, I can't figure out the correct way to reset the sense field in the GPIOTE_IRQHandler...
Hi,
I follow steps in User Guide version 1.2. The Blinky project is working fine.
Then I program SoftDevice and after than compile and Download HRM using Kail
But led...
now,i pairing my peripheral and Communication read/write data. but have some issue for disconnect/reconnect .
1.disconnect: when i disconnect (call didDisconnectPeripheral...
Hi,
We are using Nrf51822 , pca1001 evaluation board.
when i flash bel_app_proximity code (by disabling led function in advertisement_star()),
current consumed by...
Hello Developers,
Just started with the nrf51822 and managed to install:Keil 5.05, Segger J-link, nRFgo Studio 1.16 and the Master Control panel. I also loaded the SoftDevice...
Hi,
I'm knowing the device_firmware_updates project in SDK and I want to know whether I need to program the softdevice when I do the device firmware updates over UART?...
I am developing a windows application, using the MasterEmulator api.
I am discovering BLE devices with scan parameter Active and Passive.
The result is that most of the...
HI,
when I used nRF51822 for 2.4G transfer ,I found that RX can't receive data in some direction .Can TX use two antennas and matching networks to work alternately in order...
