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...
400 control modules
I'm starting a project.
I need to reach a maximum of 200 meters.
I work with PIC. I'll have to control 400 MODULE Transceive.
Which model should...
Hi,
I have modified the ble_app_hrs source code with more no of custom characteristics(approximately 10), When i press Service Discovery in the master control panel, i am...
Hi ,
For our application i created 9 rtc1 timer .
all timers are working fine.
but once i stop battery timer and start it again ,it is giving receiver link loss....
Hi,
Actually In our application we have a battery, by external source we can charge it. Now when we connect battery or external power supply directly no error is coming....
hello!
ANT protocol;
have three nrf51922 , A can find B, B can find C. but A can't find C. A. how to communicate with C by B ? And C how to return a reply?
I want to know...
Hi ,
i am using ppi channel 0 for i2c1 bus (Accelerometer).
and also i am using ppi channel 0 for i2c0 bus (LED controller).
But both are working. but some times...
I took the ble_app_proximity as an example.
Before I introduced the scheduler it worked ( not always but reasonably well).
I added APP_SCHED_INIT(SCHED_MAX_EVENT_DATA_SIZE...
I would like to build a avdertising node for the public usage. So without previous bonding everybody should take the advertising through mobile application. Application is...
Hi all,
I use the nRF2402 to do communicate with nRF24L01+.I have read the all the information from Product_Specification_nRF2402_2_2,
but I still know how to set the...
hello everyone,
i am studying about BLE i found that there are two types of advertising packet formats in LINK LAYER one format is there, in GAP one format is there, on...
Hello,
Is there a way to find out the currently used connection interval when configured as a server?
I only found the function sd_ble_gap_ppcp_get which provides the...
Hi,
I have created two proprietary characteristics with notification property to notify some data's using these two characteristics when some event occurs. I can able to...
Dear developer zone,
I am using nRF51822 with soft device and SDK 4.4.2
My device return an error on disconnection when the ble_bondmngr_bonded_masters_store function...
