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 an application where my nrf52832 acts as a peripheral and I can connect to it without problems, but after some time like aprox 10 minutes when I try to connect to it...
Hi!
I have searched for this questoin, but not found anything useful. Probably I an not using a good search phrase.
How do I determine how much space is left on a nRF51...
This is a general question I will throw out initially, but I can get more specific if necessary. This is something I see a lot in my year or so of development with nordic...
SDK:8.1.0
Chip:51822AAHO
Hi,i use the nRF51822-PSV3.1 Schematic diagram.The chip set 4dbm tx power,
then i test the test point(C6) as follow,2402MHZ and 2426 MHZmax...
Hi,
I run the HID keyboad example, and a problem confuses me. I use the "lightblue" APP to connect the peripheral--"Nordic Keyboard", but the iphone appears a pairing box...
Hello!
I have been working recently with the PCA20006 Beacon board. The example we have tested is the ble_app_beacon that allow us to change the UUID/Major/Minor and go...
This may be a stupid question, but...
What value is BLE_GATTS_ATTR_LENS_MAX
Its mentioned a lot in the SDK, but I can't actually find a value for it actually defined...
I would like to know how to add Service Change UUID: 0x2A05 Properties: INDICATE Descriptors Client Characteristic Config UUID: 0x2902 to Generic Attribute of Nordic_HRM....
Hi - I am trying to send a signed 16bit Integer from nRF52 to iOS. Using the following characteristic reader from Nordic in the nRF Toolbox on Github (here) .
static func...
Hi there:
I found a strange phonomenon about consumption betweeen advtisement and gpio17 of 51822.
When I start ble adv while setting gpio17 to input disconnected mode with...
Hi, possibly a bit of a stupid question but here we go:
I'm developing a prototype system, which includes my own design of sensor modules that transmit their data via nrf24l01...
Hi, Nordic
I know when I program one BLE app, softdevice should be needed.
If I program esb/gazell app, softdevice is not needed.
I want to know, when I program one...
Hi, Nordic
I want to add BLE DFU service in my own app, so that the nRF52 can operate BLE DFU.
I only modify 2 places:
static void services_init(void) --> init ble_dfu_init_t...
