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...
Hi,
When I try spi commnucation with sensor on nrf52840 (using Mbed OS with SDK14.2), it stuck to nrf_spim_task_trigger (p_spim, NRF_SPIM_TASK_START); while spim_xfer is...
Hi,
I am trying to increase the sampling rate of the motion sensor on a Thingy:52. I managed to update the firmware and increase the BLE_GAP_ADV_INTERVAL_MAX from 200 to...
I am using softdevice s132, nRF52832 and SDK 15.3
This happens every time I connect the RX line.
This is an application where I implement UART with the HRS application...
Hi,
I am interested to know how to make a mesh node (for example, a light server) compatible to perform a DFU.
I have gone through the DFU page and I noticed that the...
Hello.
I am about to receive the Uart service for the Nordic SDK Central and peripheral.
I Use nrf 52832.
In the peripheral example, we used 'ble_nus_data_send'...
Hi,
I am using nRF52840 Enineering C chip on a custom board using SDK v15.3.0 with SoftDevice v6.1.1
I have modified the Blinky Central code and the Blinky Peripheral...
Hi. After my nRF52832 peripheral connects to an android / iOS, I am trying to read the MTU size that has been negotiated with the following code;
current_mtu is being...
The NVMC writting functions hasn't return values,
void nrf_nvmc_write_bytes(uint32_t address, const uint8_t * src, uint32_t num_bytes)
Does it mean that all internal...
When nRF52840 P0.09 / P0.10 are used as GPIOs, the datasheet indicates they can be used for "low frequency I/O only". What is the frequency limit on these pins? Would it be...
Hello everyone, I come from taiwan.
I modify ble_app_multilink_central connect 8 heart rate watch to nordic nRF52832 board.
but i don't no how to create whitelist ,causes...
Hello, I am writing code for Nrf52832 using Segger Embedded studio. I want to store the data received from BLU NUS into a variable for further processing. So how can I store...
Now i want use a device with dual mode bluetooth as peripheral, as manufactor says, the device auto select SPP or BLE through central who connected it. The data are subcontracted...
Hi,
Are these connection parameters okay?
We have been seeing random disconnections with error 0x08(connection timeout) in the field. Is there any relation to those...
