I saw that the app_timer uses the SWI0. Could you explain what it does and what the advantage is compared to "timer_list_handler_sched()" calling "timer_list_handler()" directly...
Hi, I used the sample code "Master Emulator->2.1.7.8226->Example code->nRFUart"
to develop a new project, and encounter some questions...
we update nRF6310...
Hello,
How many RX buffers are in S110 SoftDevice? I know there are 6 TX buffers (so you can send 6 packets per Connection Interval).
How is it on receiving?
Is it e...
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...
FIXED (see below)
Hi!
I'm developing software for nRF52 on nRF52 preview DK, which I got on the Global Tech Tour.
LED blinking (blinky) example is running OK, so I moved...
I have a device (configured as a slave) which is connected to a relay to on/off a motor.
Now, I need to connect it to multiple masters (e.g., couple of smartphones) to remotely...
Hello Guys,
I need suggestion regarding the selection of nrf8001 ble module
Does it support OTA updates?
What is communication interface? is it SPI or conventional...
Hi,
I want to discovery all attribute UUIDs as Master Control panel application does. I use API function 'sd_ble_gattc_primary_services_discover' to discovery.
Exactly...
Hi:
I develop my project with gazell, Device can keep send to host,but host can't keep send to device(I'm not mean for host sent ack to device).
In my program, I use "nrf_gzll_add_packet_to_tx_fifo...
In the nRF52 reference design, not using the DC-DC converter would result in higher power consumption. By how much? Any documentation regarding the details. Thanks
Hi all,
I am new in nRF51822. Today I am doing experiment using GPIO and radio transmission.
I wrote a very simple code as below:
int main(void)
{
init_clock();...
Hi, I've got a serious problem in my project. Some of its features require hard timings. The usage time of these features is longer than the single timeslot and I must be...
Hello guys, I'm doing a hobby project and can't seem to get it working. Aim of the project is to transmit temperature values from a DS18B20 using an Arduino Uno and NRF24l01...
I'm experimenting problems with a nRF51822 custom board. Recently I managed to run the blinky sample project. Now I'm trying to test a BLE project, but I'm having problems...
Hey All,
I am currently trying to have a Analog Signal come in through P0.05 which then gets converted via the onboard ADC and send out a Service Characteristic. I am using...
Hi,
I am using your NRF24L01P-R7 part .Can you please specify its maximum distance upto which it can detect other TAG in open area when there is no wind at normal atmospheric...
I have a question about PXP profile. Could I use the nrF52 (S132) Nordic's PXP example to dynamic change TX power when I have bonded or connected Android phone device ? I...
I try to implement a BLE vendor service that has some characteristics. When I bonded the nRF devive (vendor service already download to device) with my Android phone and then...