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've got an application running on an nRF52, and it's calling sd_app_evt_wait() from the main loop - and it's staying in that function pretty much all the time.
...
I don't have a 32KHz crystal on my board (using the stock Rigado module) and power isn't an issue as the board is mains powered in operation, so I was intending on using the...
I found a alpha version of softdevice v3.0 (s132_nrf52_3.0.0-2.alpha.zip), and it supports MTU_SIZE > 23 bytes, but there is no SDK (current version is v11) supports it. When...
We have two nRF51822 chips with cleared contents in FICR, e.g. addresses 0x10000000 - 0x100000FF are 0xFFFFFFFF.
UICR works as expected.
Chips execute code.
Radio performance...
Master control Panel.exe 3.10.0.14
winxp sp3
.net framework v4.0
The day before yesterday it's OK, but this morning MCP won't start. The windows event info shows:
...
Hi
I'm looking for a functional example based on Freertos and nrf52 on SDK11 and SD132. I'm having problems (hard fault) and I've been looking for this example but with...
Hi There
I see there is a Proximity App - is this available for downloading like the beacon App ? for use in xcode ?
Also, in the demo, there was a bluetooth unit that...
I use a android phone as central(Master) and use a nrf51822 as a peripheral(Slave).
The peripheral can send the "L2CAP Connection Parameter Update Request" to change the...
Hi
I have a BLE nRF51822xxAA project created with Keil 5.15, SD 100 ver 802 and Family Pack 803.
I made a new configuration in a new machine with Keil 5.2 and I am getting...
I want to create my own PCB which can communicate with the following Transmitter:
www.hobbyking.com/.../_ 43854__Turnigy_5X_5Ch_Mini_Transmitter_and_Receiver_Mode_2 .html...
Hi! I work with a smart Beacon Kit nrf51822 rev1.0.0, s110 and I have visualised my current consumption. What I expected to see is that my beacon could send in one time all...
We are preparing a project where several mobile phones
with Android OS in peripheral role will be connected continuously to
one nrf51822 with S130. Communication must be...
On nrf51 I was using:
pre flash: w4 4001e504 1
erase all: w4 4001e504 2\n w4 4001e50c 1\n sleep 100
pin reset: w4 40000544 1
Is it still the same for nrf52...
[Edited title]
My application on a PCA10028 board is attempting to send a BLE advertisement using sd_ble_gap_adv_data_set() by going through ble_advdata_set in ble_advdata...
I'm trying to design a very low power sensor that takes readings using ADC and SPI 200 times a second. I'm a bit worried by the current EasyDMA uses (1.1mA). As far as I can...