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 followed the steps mentionned in this blog
I did all the required step but I'm still seeing the same behavior.
below is my setup :
I'm using nRF52840 and...
Hi folks,
We got a weird behaviour with our nrf51822(SDK 12.2.0, s130) device. we have built a low power application with following parameters:
MIN_CONN_INTERVAL...
I have tried to understand how data was send from two BLE device. I have had 2 PCA10056 board and I have loaded ble_app_blinky example and ble_app_blinky_c example for each...
Hi All.
I have one question.
I just want to send "volume down key" simplely after connect with android device to take a picture.
I have no idea. and I don't understand...
I modify nrf51 nus in SDK12.3.0 to realize my application, I found when enable uart, the consumption near 830uA , and then call app_uart_close(), the consumption near 5uA;...
Hi,
Is there and C/C++ source code to get float value from 32-bit ieee-11073 FLOAT data type
I need c/c++ code to parse 32-bit ieee-11073 FLOAT data coming from FORA...
Hello,
Using Spi bus with frequency = 4Mbps give me this deformed signals (clock and miso) and when I push it to 8 Mbps I am not able to get the correct values.
Obviously...
When an event is bound to the ppi channel, and this channel is bound to both task_capture and task_clear
can I get the correct COUNT value when an event occurs?
Or can...
Hi all,
I wanna build a IOT gateway. I follow this steps infocenter.nordicsemi.com/index.jsp
When I access coap://[ipv6] It dont have resource light, just only have...
[SDK 12.3.0 / nrf52 DK / Keil tool / beacon example code]
Hello. i am a novice developer.
Power On - Beacon data transmit and enter to sleep mode after 10 sec
...
I fail to integrate “ble_app_multilink_central” and the uart portion of “ble_app_uart_c”
I have checked other posts and it is inconclusive if and how they got the integration...
In traditional approach to ESB communication we have many PTX device and one PRX device:
In my application, situation is inverted: I have only one PTX device and many...
The function peers_id_keys_get() (SDK 12.3.0 Library id_manager.c) returns Error BLE_ERROR_GAP_INVALID_BLE_ADDR (0x3202) when the peer device address is neither PUBLIC nor...
Hello,
Have been reading the example codes and documentation in order to connect an ultrasonic
sensor to nRF52. The goal is to read in the value and then send it over...
