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 use the software S110 v8.00,and the NRF51822QFAA chip.
now ,I need add DFU Service support to an application.
I find the ble_peripheral\ble_app_hrs\pca10028\s110_with_dfu...
What's the best way to debug an application that is not starting after an OTA DFU update. The app said the update was successful but nothing booted and it didn't even seem...
I find the dfu sdk for ios in github ,but I only find the swift pods, did`t find the code for objective-c.
Did someone have ? Please share to me, Thank you !
Hi,
when developing I often use Google search to find documentation. I prefer using external search engines, since this includes results from StackOverflow and similar sites...
Hello I'm trying to setup i2c/twi communication between nrf52832 with oled driver SH1107 but i need to do it in hardware instead of software but on the register level.
...
Hello,
My setup is as such.
I use SPIM1 and SPIM2 all the time. SPIM1 goes to a set of MEMs devices, and SPIM2 is dedicated to a Memory module.
My device runs in of...
20170119_104909.jpg
I'm working with a ble open source.
Here i attached the captured abnormal case of the connection update
Request PDU from the slave. Please refer to...
Hi
I ordered Nrf52832 DK board instead of ordering nrf52840 Preview DK. I need to test bluetooth 5 stack,range ,bandwidth and through output.
Is the nrf52832 will support...
Recently I am working on a project transmitting and receiving data directly using RADIO block. The examples provided in the SDK folder use block wait which isn't the best...
I'm having alot of issues testing the PCA10031 running the MasterEmulator ProxmityDemo Example. It will open the port fine to the dongle, but always fails to Start Discovery...
Hi everybody
I try to reinitialize the Advertising with new parameters after a finished advertising. For example use directed mode, change advertising data and so on. But...
Hello everybody,
I'm designing an app to track the position of the smartphone using six beacons; I would like to know if there is an optimal orientation of the antenna...
Hello all,
After several tests about extending Timeslot, I have some questions.
I found out that the Timeslot will keep extending automatically after a successful...
Just a beginners question. I've read about central, peripheral, client, server, but i am still not sure how to choose. I use nrf51822
I want to create a beacon that has...
