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 have one problem with unsing uint64_t in application...
Im for test try simple demo:
uint64_t test = 1327644190303473294;
NRF_LOG_INFO("test: %"PRIX64"\n", test);...
Hi,
i am using nRF51822 EK with soft device s130_nRF51_2.0.0(id:0x0080) and nRF5 SDK v12.2.0 and keil u vision5.
when trying to flash TWI sensor example programme (nRF5...
Using nRF52DK and working through the getting started tutorial I could not get the ble_app_uart example in SDK 12.2.0 to work. It compiles without errors or warnings and appears...
Hello,
Trying to make my own project to test buttons and LEDs for educational purposes, I looked at this . Using uVision, I tried to replicate the included modules of that...
i am testing the ble_uart programme. i am using the nRF51822Ek and soft device s130_nRF51_2.0.0 and nRF5 SDK v12.2.0 and keil uvision5 and nRF tool box (android).i am using...
Hi
I have the PPK, and I see it needs either a JLink or a Nordic DK board to act as the interface to the PC.
I have a nrf52832 dk and also nRF52840 dk, so I was going...
I made IAR work with nrf52 in monitor mode debugger. I also would like to try this to nrf51. I found nrf51 doesn't have DebugMon_handler......Please confirm can I single step...
Hi,
I am working with nRF51 for my application. I do not use softdevices. I need to have a random variable in my code. I have read Reference Manual and I have found that...
Does nRF51822 have battery monitor?
pg 45 of datasheet says specifies "Absolute error when used for battery measurement" at:
Internal reference, input from VDD/3...
In the nrf52 OPS datasheet, for NVM and flash programming electrical specification (page 41) it has "Amount of writes in a block between erase" and Minimum for that is 181...
Hi all.
I need some suggestion how to use UART module in the nRF52 using nRF5_SDK_12.2.0 and the softdevice $132(it would affect?)
I would like use RX to receive information...
Hi.
Didn't find an exact answer for my question.
I'm using the ble_app_beacon example on my custom board based on nrf51822. While powering it from a coin battery, I measure...
Greetings. This is a followup to my previous question BLE Software Configuration for FCC Spurious Emissions . I did not ask the right question there and I did not want to...
Help!! I need to implement a dc motor position control and i have problem reading the encoder (too fast). I have seen that nrf51822 has a qdec peripheral. Any suggestions...