Hi, is there an available developer in my tri-state area of Minnesota, N. Dakota, or S. Dakota? Please call me if you are available for a project for hire. The developer should...
I'm trying to design a very low power sensor that takes readings using ADC and SPI 200 times a second. I'm a bit worried by the current EasyDMA uses (1.1mA). As far as I can...
Hi, I am working on a project where I want to make one nrf51288 chip as central hub and connect that to a android phone and other salve nrf51288 .
idea similar to this: ...
Hi,
I have a code programming the nRF51422 development board to write to a Sharp Memory 96x96 pixel LCD screen using SPI.
Currently the code writes two numbers and a...
I've modified the ble_app_uart example by adding GPIOTE so that the transmitter sends a character to the receiver when a GPIO pin is toggled. This part is working well.
...
Hi,
I am working on my hardware product having nRF-51422 chipset. I just came to know from forum post that
nRF-52 chips will get arduino IDE support as standalone. I want...
I want to use the automated test function of the master control panel.
I want to test the device information service and wrote this xml script to connect to the target...
Hi there,
How could I receive a large data from phone, example 120 bytes from a characteristic. So far I was able to receive 20 bytes.
From the working code of 20 bytes...
Hi
Try to send characteristic notification by invoking sd_ble_gatts_hvx() with the following parameters:
uint32_t err_code = NRF_SUCCESS;
ble_gatts_hvx_params_t params;...
I do run the “nrfjprog --pinreset”,later, the nrfjprog can not find the nrf51 device,WHY?
the nrfprog version is V5.2.0,
I use nrf51822qfaa,s110,keil,etc.
Hi, Guys,
I have a question about chip operation temperature. Will the chip auto reset when the temperature over 75 C? I checked the nRF51822 product specification v3.1...
I would like to learn more about when it is safe to invoke soft device methods and when it is not. For example, are the following 'allowed' to make soft device calls to update...
Update to below: I get data out of the VCP and into Termite for a sub-second when I first power the board (with handshaking enabled), then I get no subsequent data (even though...
Hi,
I have just received a bunch of N550 modules and now I want to try and see if it is possible to update the firmware of these devices without using a JTAG.
If I understand...
I wrote my own ACI interfacing code, so I have questions about some details of the data credit system that most devs may be insulated from by the Nordic SDK.
Section 25...
Hi All,
I was wondering if it was possible to program the nrf51x22 in c++? I am using Keil and I'm trying to convert the examples in the SDK to CPP by adding --cpp to the...
hi,
I have used sd_flash_write() in my code. The scenario is that sd_flash_write() will be called after a DISCONNECT event. And it would wait for system events :
NRF_EVT_FLASH_OPERATION_SUCCESS...
Running S120 2.0 central on nRF51422 QFAAE0 (1504CH) and when I call scan_start() i'm getting 0xDEADBEEF at line 431 in file src\ll_lm.m0.c"
Can anybody shed some light on...
IUsing the Master Control Panel application on my Android device to connect to my nRF51822 module (acting as the GATT server), I have implemented the Device Manager (v10 SDK...
Hello all, to optimize the BOM and size of our device(Tag based on nRF51822), the external divider was replaced by software configuration to measure the battery voltage. In...
Hello,
I have seen, that the BLE MAC is increased by one, in dfu_transport_update_start() (dfu_transport_ble.c).
Can someone give me a short explanation, why this is done...
