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,
I'm starting to program a Nordic microcontroller, the nRF52. I was able to compile the various examples.
Now I would like to create my own project and use the...
The FDS requires data to be word-aligned and multiple of the word size. How do I ensure that my source/destination data structures are properly sized/aligned?
E.g. I want...
Hi, would like to know if anyone has some experience and advise how to get an external 51822 based board programmed and working via the nRF52DK. All the wiring works, I can...
pc cannot recognize nrf51 DK board.
what I have done.
erase all - not work (log.log attached)
power on with reset button. and copy J-Link OB-SAM3U128-V2-NordicSemi...
I have 5 nRF52832 development boards.....
I'm using Visual Studio 2015 and a Visual GDB plugin.
I have loaded and built the BLE Le example.
I start the debugging...
I'm using SDK 12.2. The FDS operates on word-sized data. How can I ensure that my data structures are word aligned and multiples of the word size? E.g. if I'm trying to write...
Hi everyone,
I am looking for reports and/or certifications that can help with our own device's certification process.
Would you know where we could find such reports...
Can I configure security parameters my own way?
I read some BLE profile but there are not explain about security configuration.
And I tested by using PCA10028, iPhone4s...
I am trying to setup an interrupt to fire whenever any of 6 GPIO pins change value using an nRF51822 with soft device. I found the example that uses GPIOTE to get an interrupt...
Hi. I'm using nRF51822AC, SDK12.2.0. S130 v2.0.1.
I just want to make DFU program. But I think it's a little bit confusing. So I want some explain.
Q1. What is the difference...
I'm wondering whether I'm missing something.
This is the callback called from finish_transfer in both nrf_drv_spi.c and nrf_drv_twi.c.
This parameter is useful because...
Hi,
I am working on the examples\ble_peripheral\ble_app_uart sdk 12 example on SES.
I was first setting:
FLASH_START=0x1B000
SRAM_START=0x20001EB0
Then tried...
Hi all,
I've developed a broadband vibration energy harvester that is able to pick up uW of energy from just a couple Hz all the way to 150Hz. I'm currently looking for...
