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 am looking for an wearable solution which should be able to full duplex audio transfer over Bluetooth. Is this possible with BLE 4.1/4.2. As here battery life is...
Greetings. Could you provide more information on the issues with GPIO located near the radio in the nRF52 (PS 18.2.1)? Specifically, what is considered "high frequency digital...
I've created a BLE Peripheral project to test maximum possible throughput for the Notify of a single characteristic. I've also created a Central based on the new BLE Central...
Hi: I want use all eight ADC channel, But I don't know how to get different channel conversion result.
I write my code as follow:
void adc_config(void)
{
const...
Hi,
I'm using the 3rd generation of nRF51822 with S110 v8.0.0 and the SDK 10.0.
In my application i'm using the uart core to communicate with the external device.
I'm...
I'm not sure why I didn't notice this sooner.
When trying to do a bonded DFU with a Nexus 6P and Master Control Panel it seems to get stuck in a loop reconnecting.
I...
Hi I trying to connect Altimeter ( mpl 3115a2) to the nrf52 development kit. Can someone guide me how to do it (pin connection). I have followed the example given in the sdk...
I received my nRF51 DK (with nRF51422, PCA 10028) and I could successfully run the S130 demo app thats included with SDK 8.0.0.
The above demo demonstrates for e.g. :
...
I was upset early this afternoon because I was experiencing issues with buttonless DFU on Android. As is usually the case, I assumed it was my fault.
First, I reverted...
Hi Nordic--
Our custom nRF51822 design has 13 signals routed into the app_buttons module through the GPIO -> GPIOTE->PORT -> nrf_drv_gpiote.c -> app_buttons.c path. For...
Hi,
I have a problem to program an external board with my PCA10028 board. My external board is a Xuntong chip.
( Heart-Rate-Monitor-2-4GHz-SOC-BLE-Module-based-on-nRF51822...
I'm trying to measure absolute minimum power consumption of the chip using the PCA10028. I cut SB 9, and applied a very sensitive current measuring device to P22. I'm running...