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...
Hi,
I would like to know what is the switching time between RX ShockBurst and STBY mode?
In documentation I can only find switching time between STBY -> RX ShockBurst...
I don't have a question but am rather posting the solution in case it helps someone else out who had the same problem as me.
With SDK v9/SoftDevice S110 v8, our application...
Hi guys,
I am really confused to distinguish SMP request from pairing request.
Could you kindly what the difference?
Device(nRF51822) can send SMP reqeust? If...
So, I've began tinkering with this device a bit, and using totally stock hex files, installed via
make flash_softdevice && make flash crashes bluez with sigsegv shortly...
I am struggling with the correct value to use for DFU_APP_DATA_RESERVED in the bootloader. My application uses the Device Manager and has one block allocated for to pstorage...
My app is generating hardfualts. Based on this post I looked at memory location SP + 0x14, which points to the address that generated the fault.
Memory at SP+0x14: 8F 31...
Hello Everyone,
I am doing the rough calculation of the power consumption of NRF51 where in the radio part of the datasheet it is indicating 10.5mA whether it is denoted...
Hello ,
I'm using a couple of nRF52 dev.board (one is Nordic preview dev.kit , the other one is a Rigado BMD-300) , with S212 ant+ softdevice . I'm able to deep-slepp the...
I use the board to act as relay.First ,i scan and connect to one peripheral.Then ,i want to disconnect the peirpheral once the another central connect to my board.i call sd_ble_gap_disconnect...
Hi ,
Would you help me to find right material(App note, source code/project) to implement below case:
My nRF51822 connected on beaglebone black(BBB) over UART this will...
Hi,
I want to implement a DC/DC converter setup schematic for my projet and I don't know how to make the difference between the AVDD and VCC_nRF supply tags given in the...
Hi, all!
I have a Quesion about Maximum Voltage & Current of internal DC/DC conv. & LDO of nRF52832.
I'll design circuit using olny internal DC/DC conv. & LDO of nRF52832...
Hi.
Is there a (lazy) (dummy) comfortable way to make an nRF518 chip (in my case, nRF51822) communicate with the built-in bluetooth adapter of a laptop with windows 7 or...