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...
I am using the BLE Scanner app on Android to check that my device works.
I have 2 similar problems :
on one device, I can read all characteristics except one. This has...
Hi,
Im trying to use this example to send serial data from GPS module via BLE:
github.com/.../ble_app_uart_low_power_slave
I have disabled hardware flow control since...
Hi
I tried gateway and LED_mesh examples. It worked well. But, I found some issues as below.
When I tired MCP windows application on laptop with PCA10031 dongle...
Hi there,
I am using the nrfjprog to flash the nrf51822 via a J-Tag programmer. Here is the command I used in the command prompt:
nrfjprog --eraseall --programs softdevice...
Haw can I configure ble_app_ uart examples for bonding using? I want to connecting, transmit and receive data throw the UART only with 5 fixed devices.
Hi,
I updated to softdevice 8.00 recently, and found something different with softdevice 6.00.
When trying to program the new softdevice hex to the chip using nrfgo studio...
Hi,
I am using nRF51822 chip.
I am using the softdevice s120_nrf51_2.1.0. On top of that i am flashing the HRM central example given in the SDK nRF51_SDK_8.1.0_b6ed55f...
Hello, I'm fairly new are Nordic and have inherited a good project from a departing coworker. We are using Keil uVision 5+nRF51822+BLES110 softdevice.
She explained her...
Hello,
As mentioned title, when using printf with softdevice, "Stopped by a vector catch" occurred.
I am using my custom board(nRF51822 and s110).
And I am using IAR...
Hello,
When i try to set value of the gpregret using sd_power_gpregret_set and clear functions in on_write callback function, cpu gets stuck (i check it in debug mode). Can...
Hello
I'm trying to communicate with an sensor over the TWI HW interface during a BLE connection with the S110 soft-device, and every time I try to use the TWI bus the...
Greetings,
There is a bit of strange operation in UARTE peripheral in nrf52832 with the DK. In the simple code below, if both of the if statements with comments 'Check 1...
Hello everyone,
I have a strange issue with s110 + whitelisting + Device Manager + nrf51822 + GCC and hopefully you can help me with a good advice. It appears that the...
