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 the nrf51822 ble with softdevice and want to know if the broadcast can start at a given time, and if the adv_ interval can change everytime? (such as I want to...
Hi Nordic Community,
I'm trying to run app timer in bootloader_secure. But when I add app_timer.c file to project, it built successfully but breaks when execute. I don't...
Hello,
I am using a custom nRF52840 ( SDK 14.2.0, SoftDevice S140) based board to connect with an iOS(v 13.3) phone.
I am sending data continuously over BLE. However I...
Hi,
I'm trying to find simple ADC code for one shot modus as described in the documentation: https://infocenter.nordicsemi.com/index.jsp?topic=%2Fcom.nordic.infocenter.nrf52832...
I will use Nordic nrf52840 dongle for 2FA + security key on Google login and I am following these instructions:
https://github.com/google/OpenSK/blob/master/docs/install...
I use nRF52840 and SDK16 with S140 softdevice. I need 3 ADC ports. The initial code as follows.
static void adc_configure(void) { ret_code_t err_code = nrf_drv_saadc_init...
Hi,
I add a my .ilb file in the ses project .When I c all the function in the .lib file and build, it will have an log "undefined reference to 'xxxx'". But i can success...
I want to upgrade a BLE peripheral firmware (nrf52840) by using another nrf52840 as BLE central.
Do you have any idea how I can do that?
I know how to use android to upgrade...
Dk 0.8.5 with external GPS antenna modem FW: v1.1.1 nrf tag: v1.2.0 supl: v0.5.1 OS: Windows10
Put supl folder to "\ncs\nrf\ext\lib\bin\supl" * the path written in readme...
Hi,
I have a problem where I have to put a delay for 50 us after nrf_drv_rtc_counter_clear(&rtc); to get 0 counter from nrf_drv_rtc_counter_get(&rtc);
seems that the...
How to extract MQTT message from the Simple_MQTT sample for nrf9160-DK?
I am trying to use a specific message to trigger an action based on a predefined string. Not sure...
Hi,
As far as I understand, every connection establishment has to start with advertising.
Event if I have already connected and bonded to a peer, after disconnection...
Hi everyone,
I am using an nRF52840 dongle (MakerDiary) with SDK15.0 & SoftDevice S140 v6.0.0, and trying to change the BLE advertising manufacturer's data with the information...
Hi,
I am sampling a moisture sensor using one of the analog pins without issues. However, since my circuit is battery powered, I need to account for voltage drop of a 3V...
