Good morning,
this is Algocraft (www.algocraft.com), an high tech company whose core business is to develop, design and market a wide range of professional systems dedicated...
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've gone through a lot of documentation and can't seem to find if this is documented by Nordic semi.. please answer if you know, or can point me to experiments/documentations...
I soldered 5 pieces of PCBA with nRF51822, but I got only one PCBA which can connect to J-LINK. I checked the bad four and found that SWDIO of nRF51822 on the four board is...
I'm having a weird hardfault and, I can't make sense of it.
Here's what I do know:
nrf sdk 9.0.0;
nrf51422 on a dk;
I have RTC1, SPI0, and TWI1 enabled (also a uart for...
Hello,
call of app_pwm_init() function forces logic 1 on PWM enabled pin after advertising timeout expires. Why? It causes my LED to turn completely on after advertising...
Hello,
In my code I would like to switch between BLE advertising and listening nearby devices (and save their RSSI) in the same code. After each advertising period, I would...
i have use nrf51822 and android app(nRFuart)
i was masure currunt through DSO but i think its not accurate...
i can't masure exect(high accurate) currunt consumption in...
I read through the following post and still couldn't get debug info out.
I have tried the settings there and from another post with no luck. I'm using putty on a win 8...
Hello everyone,
I am trying to enable notification on a characteristic based on the code example from nAN36.
Unfortunately the sd_ble_gatts_hvx() function returns:
...
I know that suggested debugger for nRF51xxx is J-Link or openOCD with CMSIS-DAP, but I would like to use BDI3000 debugger, which does support SWD interface and Cortex-M0 processors...
Hello,
I desperatly try to implement a bootloader with the s310 softdevice. When I received the data to be written (via BLE), I erase the flash:
std::uint32_t rc = NRF_ERROR_BUSY;...
Hi,
When will the user guide be available? I have the PCA10040 V0.9.0 2015.39 PCBA that I got from the Global Tour. I am using the nRF51 Development Kit User Guide v1.0...
I try to build example projects in 32k limit Keil uVision. I'm not able to build some of the projects (e.g. Heart Rate Service) because of the 32k limit for the compiler....
Hi Nordic developers,
I'm using TWI software driver provided by NORDIC.
I need to have 400 kbps frequancy.
I have seted TWI_DELAY() to 0 and TWI_MASTER_TIMEOUT_COUNTER_LOAD_VALUE...
I'm an Android developer and I bought the NRF51822-Beacon kit. All I want to do is be able to "see" the beacon using Android's onLeScan() bluetooth call. However, the beacon...
Hi people!
We are having an issue with our custom PCBs using the nRF51822. They are programmed and debugged using a custom external test board, using the SEGGER J-link...
