I'm having some trouble successfully entering ON,IDLE mode. I have pared-down my application to do the following:
Initializes the app_timer using the scheduler:
...
I want to control GPIO toggle by PPI. Timer1 is in timer mode. CC[0] is 1000, and CC[1] is 8000.
I use compare[0] to toggle gpio18 by PPI. I also want to use compare[1] to...
Hi,
I use two evk board to connected and test the uart serialization sample(ble_s110_serialization), one is ble_app_hrs and one is ble_app_connectivity. But I have one...
I am getting get BLE_EVT_USER_MEM_REQUEST and BLE_GAP_EVT_CONN_PARAM_UPDATE event, when writing to ble device, sample code did not handle these event, and seems no document...
Hello:
Why do I erase SDK5.2 version of flash and read not, in SDK4.2 can. I tested nrf51_sdk_v5_2_0_39364\nrf51822\Board\nrf6310\flashwrite_example is a good example.However...
before i write the flash, it has been erased.so ,its value is all 0xff.
when i write 0x00 to flash address 0x0001,the value read out is not 0x00 but 0x01,and the value in...
We have connected a 50 Ohm Antenna with NRF52832-QFAA-R7, but we tested and found the antenna signal is weak. Could anyone help to provide some proposals for how to improve...
Hi,
I have a STM32 MCU and I want to flash this MCU by using an nRF52840. The two chips will be connected by UART.
From where I need to start, and what is the most easiest...
When attempting to connect to an MQTT broker set up on my local machine using the mqtt simple sample code, I get this output:
What does this error code mean? Also, is...
Hi. We are using the nRF52 sdk v12.1 with S132 v3.0.0 on a nRF52832. Once in a while (could be after running a few hours, could be after running a week) the application ends...
Where can I find the right documentation to start understanding the Nordic Thingy FW? Do we have any design document for this?
I need to develop my own application on the...
Hello,
I'm looking for some general guidance on the following application:
1 nRF52840 based gateway to cloud, on power supply
a few hundred nRF52832 sensor nodes,...
We want to use app_timer_create/app_timer_start to create a periodic timer, but noticed that there were a few seconds missing. After printing out each tick, we see that there...
I can't open my tickets since it's changed into private ticket by your engineer.How can I do?
My ticket' name is"about service change can't receive BLE_GATTS_EVT_WRITE"...
Hi,
I will work with nRF51822. I installed all software tools and I connect target device with debugger.
Should I connect nRF51822 with power like battery (because I will...
I used SES and wrote a printf message at main entrance: when I run in nRF Connect I can see the message that I wrote just after I press the RESET button (OK). Still, as I...
Hi,
What is the GPIO pin state during reset, and during startup ? I have seen that it is a high impedance floating input. How much is the value of this impedance? Can I...
Hello,
We're beginning FCC certification next week and I've been creating radio test and DTM versions of firmware that can run on our hardware for the lab. Everything looks...
I am using the nRF51422 for BLE data. My antenna matching network is this:
However, compared to the DK I am getting lower gain (DK gives -50, my PCB gives -64). I have...
