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 have two custom PCBs, each of which has a microcontroller and an nrf24L01+. Everything related to the transceiver in the designs are complete duplicates (with the exception...
Hello,
I've built a small BLE-device based on the nrf8001.
With my Iphone I can discover this device and I am able to connect to it and listen to notifications of the...
Our pcb is used for gps location data. We have a nrf24L01 nordic chip as the micro process or between the gps module and wireless module (2G). Our engineer needs to capture...
Hello!
i am testing the nrf52 ble uart example. i am able to communicate with the BLE smartphone application (rx and tx) but i cant seem to get printf commands to print...
Has anybody created a table of what SD consumes in term of Flash and RAM.
More specifically I need the resources taken by S332, which include BLE and ANT + DFU.
Regards...
we need to open uart 30s and close it 30s.there is our code:
if(sec_cnt==30)
{
//printf("sec_cnt=30 is now\r\n");//zzq
nrf_delay_ms(100);
nrf_drv_uart_uninit(&m_dtm_uart_driver...
hi
I write a function getT() to read spi thermalcouple chip.
if the function getT() is called in main() function, it will work correctly. Hence, I think that getT() is...
Hej allesammen!
I'm having trouble with the bootloader example "bootloader_secure_ble", which seems to stuck when calling nrf_dfu_mbr_init_sd. But one thing after another...
I'm using nRF5_SDK_14.0.0_3bcc1f7 and SD132 v5.0.0. In response a DATA_LENGTH_UPDATE_REQUEST event, I'm calling sd_ble_gap_data_length_update as follows:
ble_gap_data_length_params_t...
Hi,
I am using nRF52832 with S132 softdevice and SDK version 11. I am getting bad memory address error code.
err_code = sd_ble_uuid_vs_add (&base_uuid, &ble_service->uuid_type...
Hi
I have a softdevice assert problem when i run the "nrf5_SDK_for_Mesh_v0.10.0-Alpha_src\examples\light_switch\client\light_switch_client_nrf52832_xxAA_s132_5_0_0.emProject...
we use
peripheral: exemple ble_app_blinky
central: exemple_ble_app_bliky-c
Instead of a button we have a Switch.
When we set the Switch to "on" the led go on.
That...
Hi, I made a device with using NRF51822, named 'allb' the wearable device for babies.
http://myallb.com
We're planning to make a new version of it with using nRF52840...
The firmware used operate properly in the past, but it no longer does after we replaced the MCU(nrf52832).
During SOFTDEVICE_HANDLER_INIT, the MCU is stopped.
The previous...
I am working on a peripheral. This peripheral is IO display only. On the other side, the central is keyboard + display. I have a single, custom service with a single characteristic...
Hi All,
I did this tutorial : How Import a Keil uVision project Segger Embedded Studio - A Cross Platform IDE ,
but I dont know what did wrong. I still get this error...
While porting my app to the latest 14.0 SDK, it got a little stuck with the new sdh library. I was previously fetching all events through a custom poll & wait loop, but I...
When a packet sent out and get the TX_DS IRQ by nRF24l01+, the mode change to RX and read STATUS register then write the value to the STATUS register and write FLUSH_RX 0xff...
