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 am creating a wearable PCB with the Raytac MDBT4Q-P BLE module, which uses the nRF52832. I need this device to have OTA firmware capability, but I'm finding it...
We have a custom board based on nRF52840. Programming it through external SEGGER interface (P20) available on nRF52840 DK.
Our custom board is designed to use the DC-DC...
I am currently using the nRF52840.
I was disappointed to discover that the NFC communications module in this chip could not be used to provide out-of-band Bluetooth key...
Hi,
I have finished developing our product that uses the nRF52810 (in a Laird BL651 module), and the S112 6.1.1 Soft Device. Our design doesn't use any of the optional BLE...
Summary and Background of the Problem
As part of a college project, we are needing to connect to a Bluetooth LE module (BL654) with a custom app to update characteristics...
I have a nRF52840 dongle (from Fanstel) that is set up as a virtual COM port on my Windows 7 machine, and which I am accessing using pc-ble-driver.
I want to be able to...
Hello! I'm using nRF52832 with ms5803-14BA.
And I want to get this sensor's raw data form prom.
and my code is here
I don't know why the resultant value is 65535...
Hi,
I'm trying to understand how the nRF52840 makes RSSI measurements. From what I understand, while other manufacturers implement non-standard RSSI systems, the nRF52840...
Hi,
We are designing a module based on NRF52840 and Li-Po battery. The battery could be charged by a charger module connected to USB.
I have some question regading our...
After having a problems with a function using vsnprintf, I finally boiled it down to sprintf. Every 128 characters that has been run through sprintf, it truncates the output...
I have a BMD-340 eval kit (uses nRF52840) as does my contracted developer who has sent me a hex file to program into my board. I have installed The Segger Embedded Studio...
My configuration:
IAR V8.22
Custom board with nRF52832
Softdevice V6.0.0
SDK 15
I understand that BLE uses, in the link layer, CRC to verify packet integrity...