Hi,
We designed the circuit followed the reference circuit(QFN48), but we always failed in the 8kv ESD test.The CPU always reset while ESD testing.
The 8kv ESD power...
Does anybody got an app inventor2 "project" to communicate with the (Adafruit) Bluefruit LE UART (or SPI) ?
Note: my Android version is 4.4.2 (LE "advertising" not supported...
I've created a Secure DFU client using the multilink central example with S130 and SDK 12.2 (running on PCA10031).
There are a few issues we have trouble with.
The...
Hi,
After successfully managing to preserve our devices bonding information (and custom app context data) across DFU updates, we have a few related questions.
I should...
I would appreciate some suggestions on a good development flow to go from an Example to end application
I have nrf52832 on a custom PCB.
I tested several sdk13.0.0 examples...
If anyone will ever have this error:
When using c++ and singleton the use of operator new is not possible.
I found the solution in this post: forum.arduino.cc/index.php...
Hi I am using Jlink board, when connected to my pc, I can't select nRF5x programming.
Version I am using is 1.20.0.2. I tried the uninstalling everything and installing....
Hello,
I use PCA10001 v1.0(nRF51822 QFAACA).
But, S120 example is supplied with "nRF SDK v5.1" which support only PCA10001 v2.0 over.
When I tested S120+"nRF SDK...
Hi developers,
I am having a strange problem:
My nrf51822 will only start-up when USB-powered.
From no power state (battery removed and usb-disconnected):
---When...
I do not have a product (i.e. I didn't by any of the boards from Nordic) but we've built our own board using NRF51822. How do I get access to SDK/API files? The SDK is locked...
Hi,
I have Bluetooth4.0 modul and I want my dongle working just like a bluetooth adapter on my PC. that is to say: my dongle searching BLE device automatically and connecting...
Hello
I need help with 128 bit UUID for BLE.
Could you explain me how to specify my own 128 bit uuid?
Whether it should be unique?
Bluetooth specification refers to...
I am planning to write a simple OS for nRF51822 based on framed loop principle.
Nothing fancy, just bog standard 10mS frame and optional round robin scheduler.
The questions...
Hello,
I am designing a circuit using the nRF81522 chip.
I was wondering what should I do with the unused I/O pins.
Would it be OK to leave them unconnected, or there...
Hi
Could I use 3.3V to the C3 capacity in the application example,datasheet?That is to say,C3 doesn't connect to VDDPA pin and 3.3V connect to the C3.I found that it is...
We have developed our custom nRF8001 board and connected with Arduino UNO bord. we have used nRF HRM demo application from Github . We are using nRF utility application from...
OK, I didn't read enough fine print before I plunged in, but my version of the nrf51822 I have on a bunch of boards isn't supported by the new SDK.
In a premature onset...
I'm trying to use notifications with Android 4.4. When my service issues a call to sd_ble_gatts_hvx, the result is BLE_ERROR_GATTS_SYS_ATTR_MISSING.
From this link , I...
Hi
when i call twi_master_transfer function in for(;;) loop of file ble_app_hrs project.
Kindly tell me what to do for that.
for (;;)
{
for(i=0;i<10;i++)
{
...
When I plug the PCA10000 into my mac I can see it presents 3 USB interfaces. The first is interface class 0x02, Communication Control, the second is 0x0a, which is Communication...
