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...
Through a few days of studying, I now decided that: (please correct any statements I said wrong below)
The BLE is more friendly to object oriented programming
...
I've been a little out of the loop. Can someone explain how this "drag and drop" DFU is working? And in what method iTunes is being used!?
Best I can figure iTunes is being...
Hello everyone. I am having problems using the interrups when a bootloader is programmed on the chip. My test program works fine when there is no bootloader. With the bootloader...
Hi,
I try to turn off the advertising after the first connection and then turn it on after pressing the button, this is what I wrote:
void radio_notification_evt_handler...
Hi,
I've been digging through a lot of AN's about how to design a PCB antenna, in all of them an important parameter is the output impedance of the transmitter.
So,...
Hello,
I'm pretty much new to NRF development and I'm having lots of questions trying to get a custom board to work with the provided BLE bootloader example in SDK 11....
Hi all,
Hi I am implementing MQTT client on the Nrf52 MCU, as to the MQTT broker, I am going to use the amazon AWS IoT , where the broker adopts the TLS 1.2.
I read...
I am using nRF51 and latest s310 softdevice (3.0.0) and latest SDK (v10), which is the latest compatible with the softdevice.
My device is programmed with the softdevice...
Hi,
I'm designing a 2 layer flex PCB with the nRF51822-CFAC WLCSP package and recommended ST BAL-NRF02D3 balun and on-board PCB passive antenna (not ceramic chip antenna...
Hi Friends,
I am using nRF51822(S110 and SDK10.0.0) in my project and I need the chip to be in connectable and advertising mode under peripheral config . I configured the...
Hi,
I have migrated application with freertos (S132 /NRF52 devkit ) from SDK 11.00 to SDK12.00 .
Flashed SD 3.00 and then application ,but Application is not able to boot...
Hi,
Is this the right way of reading the timer value using the capture task. In this code i am trying to read the updated value of counter for every event generated in...
Hello;
I'm developing an application that advertises as a connectable peripheral. As such, it has an ID (think of it like a beacon minor).
I have 2000 of these devices...
Does bootloader example dfu_dual_bank_ble_s132_pca10040 from SDK v11 work with softdevice v3.0?
when I try to run the dfu_dual_bank_ble example with softdevice 3.0, I got...