Hello,
Could someone give me a hint with the following problem?
I am using two example projects (ble_app_uart_c, ble_app_hrs) to connect a central and a peripheral.
An...
I created xml file for heartrate server using bluetooth developer studio and the plugin nRF8001_Arduino (plugin nordic semiconductor for arduino)
the generated xml file...
I read this older post ( devzone.nordicsemi.com/.../) and have a similar issue but with enough differences that I felt it was worth a new question.
I have an STM32 MCU...
I am having an issue with running the initial blinky example that came with the nRF51 PCA10028 SDK in the Eclipse IDE . I will include screenshots of the issue. I believe...
I use nRF51-DK and nRF51-Dongle for a BLE sniffer.
Always the sniffer fails and marked with an error "Encrypted packet decrypted incorrectly (bad MIC)".
It can not be...
Hi,
I'm using long write in one characteristic but if I try to configure this characteritic with write authorization (attr_md.wr_auth = 1) it doesn't work. I need to send...
Hi, I disassembled an Acer Mouse and saw a chip named "NRF A 3152c 1517UH". Can anyone identify the chip or provide me with the data sheet for it.
Regards,
Steve
Hello,
I am currently optimizing the throughput for my mesh network and I am wondering whether I've hit the limit of what's currently possible. I have two methods for sending...
I want to measure the RSSI strength of my Bluetooth module, in various distances and situations.
I read in the description of the app nRF Master Control Panel that:
...
I'm trying to change the mac address of my nRF51822 chip using something like:
ble_gap_addr_t m_address_1;
m_address_1.addr_type = BLE_GAP_ADDR_TYPE_RANDOM_PRIVATE_NON_RESOLVABLE;...
Hi,
I use GCC for compilation and nrfjprog for flashing. A few weeks ago I needed to switch on compiler optimization (Level 1) because my code grew a little too big. Now...
Hi,
I would like to have several nRF51 development cards connected to my computer at the same time using the USB debug port. The serial port and the RTT port work when several...
Hi,
We are trying to develop application with OTA DFU on nRF51. And we need to build bootloader ourselves. We use gcc for development. We found the bootloader example for...
I tried to run beacon example (from SDK 9.0). Even after uploading hex file I was not able to "see" becon. I'm using st-link v2 and openocd. Let me tell a bit more about what...
Hi,
I'm making device with nrf51822 chip and 400mA battery.
It connects to smart phone.
It has to calculate heart rate and some other things, so it's doing it on device...
Hi All,
I just bought the Nordic Semi nRF51822 DK (without the starter kit). I tested the Heat rate monitor app and it worked fine. It could send some random values to...
Dear all,
I tried the example program ble_app_uart given in the examples section of the Nordic folder in Keil installation. I created the hex code and programmed my chip...
I was just at the Nordic nRF52 Global Tour in Atlanta and I received the nRF52 Development Kit (PCA10040). One of the Nordic engineers mentioned that the nRF52832 is at rev...
Hi all,
I am using the BLE nRF8001 and EFM32 (ARM Cortex M3). I used the following SDK for connecting the modules using ACI (SPI). github.com/.../ble-sdk-efm32
Now I...
brownout reset = 1.7V
Operating conditions VDD(Supply voltage,internal LDO setup) = 1.8V
(by 1822 Product Specification)
In between 1.7V of 1.8V, or it would have been...
Greetings, I've been using the ARM GCC tools for about 2 months with success for programming the NRF51 DK board. Now I would like to try out the example found in:
examples...