Hello, I have established the connection between two pca10001 boards, one as central and one as peripheral using multilink_central and multilink_peripheral. I have serial...
Hi,my friend,
Now,I use nrf905.Situation is as follows:
I use the NRF PCB circuit of data manual.Nrf905 work, often loss of data.
1.The Product host is to use the stick...
Hi,
I want to use the Blend Micro with more security. I want use a passkey for the Bluetooth connection. For example through the iOS Device.
Is it possible? Static passkey...
How do I receive multiple signals simultaneously at a single receiver (433MHz) with multiple transmitters ?
I am working on a polling system. This one is similar to the audience...
Hello,
I established a connection between my central and peripheral module. Now i want to write characteristic value on peripheral. I tried with sd_ble_gattc_write function...
I am using the NRF24l01 for my products and looking to buy in bulk(100-1000). Now I know where to buy the just the IC but antenna design is a hard point to break right now...
Hi, my friend,
I've been with nrf905. I use a 16-bit CRC check.
But I encountered problems in use:
1.Nrf905 16-bit CRC check format is CRC-16(IBM):X16+X15+X2+1 or other...
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...
I run step by step the example of adding DFU to ble_hrs, everithing runs fine.
I try to change in the same way another example, ble_app_proximity.
The problem is that...
Hello everyone
i have created one custom service and i succed to compiled then i checked my service via master control panel it is showing unknown service but i named it...
