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,
We've a Custom board based on nRF52832, it works fine in beacon mode using the Synth Clock (else it doesn't work):
// <o> CLOCK_CONFIG_LF_SRC - LF Clock Source...
When using the PPK to measure the current of our custom hardware the lowest range doesn't give logical results. (Either the PPK python GUI or nRF connect) When the nRF52 on...
Reference: nRF52840 DK Evaluation Board Schematics
The following inductors are lised in the schematic:
L1
3.9 nH
High frequency chip inductor ±5 %
0402 ...
I am working on windows xp command prompt and using nrfutil version 3.5.1
I want to do a Device Firmware Upgrade over BLE through my nRF52 DK board on a custom element....
Hi there,
SPIM3 running at max speed (32MHz) will be the fastest external interface (along with QSPI)
Because I would like to make to most of it, I wondered if you had...
This is both a general tip for users and a question; does anyone have good success with the LIS2DH12 double-tap feature? The 3-axis accelerometer works well but the use of...
Hi,
Please help me on the nRF52840 UARTE RTS signal, through the doc: "nrf52840_ops_v0.5.pdf", we can know if we stop the UARTE RX by trigger the "NRF_UARTE_TASK_STOPRX...
Hi Sir,
I hope to add ble_nus and ble_nus_c into Central_and_Peripheral projects (ble_app_multirole_lesc and ble_app_hrs_rscs_relay), I use SDK 15.0.0 and nRF52832.
...
Hi,
When I developed with the board of nRF52840, I met up with an issue of UART. Sometimes, the UART will get a DRV_ERROR and crashed. Does anyone meet up with this issue...
Hi,
I am developing a central and peripheral device with secure LESC connections using SDK v11.
My peripheral device is an already developed product. I am simply adding...
Hi,
I want monitor the battery voltage of my system, I used the SAADC examples on GitHub for SDK 13.0 ( https://github.com/NordicPlayground/nRF52-ADC-examples/tree/master...
Hi all, I used SDK example as a reference on how to initialize LF clock.
The code is :
The nrf_drv_clock_lfclk_request(NULL) is asynchronous and in current example callback...
Hello,
I'm developping an evaluation purposed mesh network based on the simple light example and I plan to provision it with the nRF Mesh App (Android and iOS).
I will...
HI Nordic,
I am trying to add OTA-DFU feature to my application. I am able to perform DFU, however the DFU is not working properly always.
First I flash the softdeivce...
