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...
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...
Hi,
I am running my nRF9160 DK in "nRF Only Mode" (Via SW1). I would like to drive the serial terminal out via one of the GPIO pins, connected to my MAC using an FTDI serial...
SDK v15.2.0 using peripheral spi example. Windows 8.1, uploading to nRF52 DK.
In my while loop I use bma_spi_read() twice with a small delay in between. The first...
Hi,
I am using the reliable message communication to measure Round-trip time based on the Light switch example.
I noticed that in high traffics, some packets are not...
I want to use TimeSlot API for nrf52832.
two question.
I want to use time slots regularly . I call follow, timeslot_open() timeslot_request() - timeslot_end() -> IDLE_STATE...
Hi there,
I've already asked about it https://devzone.nordicsemi.com/f/nordic-q-a/49701/commissioner-disable and I've tried it but nothing work. I've already spent 5 days...
I am in pre production with the nRF52840. My customers have access to the micro USB port on the device. I want them to be able to define a string for the nRF5 transmitted...
I am using nRF51, SD 130 1.0 and SDK 10.0.0. I have 11 buttons connected to nRF. Currently it only works for up to 4 buttons (APP_TIMER_OP_QUEUE_SIZE is 4, but I'm not sure...