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 am using fds as my file system.
peer_manager is using file system too.
fds_register() is used to register callbacks. But how does the software know which callback is...
Hello
My nRF51 with S120 BLE stack is running as central. I want to connect 3 other nRF51 peripherals at the same time. So in the first step I did a scan and stored the...
Hi,
I'm developing an application based on the nRF52832 and I need a large throughput of over 100kbps, preferably over 200kbps.
I have managed to reach around 128kbps...
Hi
According to BT 4.2 Spec Vol 6, Part F, Section 3.2.9:-
" To write the entire value of an attribute larger than (ATT_MTU-3) octets, the prepare write request and...
hello,
i have a rather basic question concerning the design of the cycling power measurement value field.
how does a simple example for this value look like (variable...
What is the difference between SDK 8 and SDK 12 related to app_timer? I have used it like:
APP_TIMER_INIT(
APP_TIMER_PRESCALER, APP_TIMER_MAX_TIMERS,
APP_TIMER_OP_QUEUE_SIZE...
Hi Nordic,
I have a star network with 3 nodes and 2 channels. I go through the whole pairing process and start sending data without problem. Now I want to, from the master...
I would like to advertise two different sets of data in parallel, such that one ADV packet is ongoing (say, A), and then I switch to the other packet (say, B) with different...
I tried to make android app for nrf51822 hrm proj.The app flows like this: scan--connect--discover service-- setnotification for every characteristic. The Hrm char was firstly...
Hello,
Could you please advise where I can download an older versions of nRFgo Studio that supports nRF24LU1P? I've got a USB dongle, which I need to re-program.
Thanks...
Hi
I use ble_app_hrs_rscs_relay example with sdk12
and when the APP_ADV_TIMEOUT_IN_SECONDS is reach the nrf52 stop advertising but the on_adv_evt has no BLE_ADV_EVT_IDLE...
Recently I had some strange bugs in few production devices. I inspected newer device markings and they look a bit different:
Pin 1 marking is square not circle.
Build...
Is it safe to use a larger capacitor on the DEC4 pin when using the internal LDO only configuration? So instead of 1.0uF say 4.7uF? Just trying to remove one line item on...
Hi, I need to make a BLE system which sends ADC values from a chip to a receiver kit.
The example most closely resembling this functionality seemed to be the heart rate...
Hi!,
UART works fine with nrf-ble-tutorial-characteristic-CompletedCode in my nRF51-DK but I'm trying to implement in my application but not works.
These are my includes...
