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...
Hi.
I am using S130 softdevice version.
Basically, I am using NUS Service and make a my own NUS central service as NUS_C.
It is correctly work at normal state.
When...
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...
I have a custom board running the MQTT example. I have the board up and running and have been able to run various different pieces of code and the hardware has checked out...
Hello Forum,
I am now working for a year with the nrf52832 and whenever I had a software problem I found a solution in this forum so thank s for that :).
However now I...
Hi, I have just set up the nRF52840 DK to advertise in Bluetooth 5.0 successfully but I am having difficulty changing the initial preferred PHY to Coded (Long Range). I understand...
Hi, I have NRF52 issues creating one hex file containing softdevice + app + bootlader + settings. The device does not boot up. But if I have flashed the softdevice first then...
We are using nRF51822 and is considering update to SoftDevice S130.
There are two things we currently investigation:
1. Support security.
2. Increase MTU (possible)...
nRFConnect sees the j-Link device, and everyone else sees the device.
I use this j-Link with Segger Embedded Studio.
What makes nRFConnect unhappy? Perhaps python2...
Does nRF51822 support uart over ble profile? I see in previous discussion "nRF8001 UART-over-BLE" talking about this and answer suggest 51 serial has this?
We want add MQTT...
Hi everyone.
I have problem with my device. I use Visual studio with visual GDB and I'm trying to use interrupts from RTC. Got from this site lot of examples and wrote some...