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...
Hey folks,
I'm trying to modify the SPI Master loop back example into a 4 line SPI Master_Slave program. Whenever I change the Tx_Buffer_lenght from 10 to lsome other numbers...
I am using the "ble_app_multilink_central" in version nRF5_SDK_17.0.2_d674dde for development.
It works and can connect to BLE devices.
However, there is one issue
...
I'm trying to use the BLE CLI example (ble_app_interactive) available on nRF5_SDK_17.0.2 on my nRF52840 chipset (on a BL654 kit) and as soon as the interface starts I receive...
Greetings,
I've got the power profiler app (v3.0.3, installed via the nRF connect desktop app v3.6.1) running under both Linux and Windows.
With windows, seems to work...
Hi, everyone,
I am pretty new to nRF52 development. Right now,I want to turn SAADC off at low power and turn it back on when wake up, but after nrfx_saadc_uninit(); When...
I am configuring the ANT+ scan on two separate channels with the following parameters:
ROMDATA_T ant_search_config_t aprfant_dynastream_search_config = { .channel_number...
Hello,
I am currently evaluating Nordic Thingy 52. I am planning to receive the sensor data on my custom BLE application (will be written in C using libbluetooth) running...
Hi
Attached is my pcb file. I select nrf52805_caaa, Can you help me check the pcb file? maybe the pcb is something wrong. I can download hex ,but can not debug it , when...
*** SOLVED PARTIALLY ***
Hello again,
I solved my problem partially, the part that reads accelerometer value and transmit BLE advertising data as beacon works fine.
...
Hi,
I want to use a MPU6050 sensor with my nrf52832 board.
I connected the SDA and SCL pins of my sensor board with the pins P0.26 and P0.27 of my nrf52832 board, respectively...
Hello. I'm working with multilink example and I've got some problem. I want to send data to specific peer device, but after restart central or one of the peer, they reconnects...
Hi. I have a problem with Segger Embedded Studio. I always get more than 100% of RAM usage when building project on SES, even if examples projects from SDK . Anyone know what...
Hello, I have the following question. I'm trying to program my firmware via DFU Bootloader and nRF Connect (smartphone). That works perfectly with the test board SparkFun...
Hi,
I am using the two units talking with each other for the BLE uart.
One is running with the example ble_app_uart_c_central. The other is running with the ble_app_uart_peripheral...
Hi, After updating my nrfConnect to 3.6.1, I had issues using my J-link being unrecognized in the programmer app. The J-link I'm using is part of a Silicon Labs Dev Kit, checking...
Hi, I was wondering if there are any problems with connecting VDD to an external power supply when using nrf52840 in the high voltage mode? I would like to connect VDDH to...
