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...
The bluetooth of android APP is easy to disconnect (we make smart door lock products); The product is delivered to the customer. It is easy to disconnect and not connect with...
Hello,
I learnt about some resource pre-allocation in the datasheet, e.g. ppi, or API documentation, e.g. app_timer rtc1. I see the SDK drivers are trying to take care some...
SDK16, S112, 52810. I have DCDC set up and external 32.768 crystal oscillator on my board.
Here is my code part:
main()
nrf_power_dcdcen_set(true); nrf_delay_ms(100...
Dear ,
Follow the previous ticket, https://devzone.nordicsemi.com/f/nordic-q-a/59034/agps_thingy91
I am trying to use asset_tracker : https://github.com/NordicPlayground...
I am writing an application on a BLE chip that will transmit high volumes of data to an Android phone (520,000 bytes / second signal).
According to some tests I've seen...
my board uses 51822. I am using 52DK to debug it. I have plugged my board with 52DK as following:
RX -> p0.08
TX -> p0.06
My question is, when I init UART in code...
Device: nrf9160 (dk and custom board)
sample application : MQTT simple
segger studio (nordic version): V4.42a
There are 2 main issues:
1) in the main.c file, Segger...
Last time I used it, it worked fine, it's been sitting in a drawer for some time since then.
When I tried to use it now, i get this error - even though I can read the...
Hi team Nordic,
Looking in the nrf53 datasheet, it seems like the PDM clocks are the same (peripheral) as the nrf52, is this correct?
You usually wanna run the newer high...
Hello,
I am using an nRF52840 on a custom board, and I want to add the workaround for Errata [87] Unexpected wake from System ON Idle when using FPU . However, the the...
Hi,
I´m trying to flash a custom board with nrf52833 chip with the nrf82833 DK.
How can i make sure, that tha DK board will program the custom board? Currently it...
Why isn't this working?
The MPU_RESET_PIN is set to : NRF_GPIO_PIN_MAP( 0 , 20 )
I can not seem to be able to alter the state of the PIN. Whenever I read the PIN its...
Hello all!
I have a timer that sometimes gets started inside the IRQ of the ESB and sometimes needs to be restarted inside its own IRQ
I'm running it in a "one shot...
Hello
This parameter must be modified e.g. if you have a large number of characteristic in your custom service.
is there a reasoning to calculate this or just "try and...
