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...
if I set BLE_GAP_CONN_SEC_MODE_SET_OPEN, I can get data,
but if I set BLE_GAP_CONN_SEC_MODE_SET_ENC_NO_MITM,
Three different even sequences happened, only one sequences...
Hi,
I disconnect the BLE by calling *sd_ble_gap_disconnect*(), and found that it run to *app_error_handler*() after the BLE_GAP_EVT_DISCONNECTED event occured, and I don...
I program the nRF2727 module with the "Block readback of mainmemory" seleted using nRFgo studio tool.
After that, I can still read out the content of flash. What's the root...
As per this thread: devzone.nordicsemi.com/.../question-regarding-hfclk-control the SD stack takes care of HFCLK, however as fas as I understand HFCLK is also responsible...
Hi,
I use the DTM for the production test, I use the transmitter test ,with canal 19 (frequency = 2438MHz).
What is the tolerance of the frequency do you recommend (Min...
Hi all
i am working on Student Response System in which there multiple Transmitter and one Receiver and i want Receiver(nRF24lu1p) to behave as HID device.
Can any one provide...
I just buy a set of nRFgo starter kit . One pin of the display module (nRF6350) was destoryed, and the correspoding hole of P6 in the motherboard was inserted with short pin...
Hi,
I have some questions about how BLE scanning works that haven't been answered clearly anywhere I can find, (except no-doubt the Bluetooth Spec/Tome):
What...
You can not build out " the arm c c + + compiler has stopped working " in Keil uVision5.
PC of lenovo made in (Windows7 environment ) ,
By introducing development environment...
Hello everyone,
thx in advance for answers.
there is limitation written for 6.0.0 as follows:
Synthesized low frequency clock source is not tested or intended for use...
Hi everyone,
Is there any information about the (approx.) amount of erase/write cycles the nRF51 flash memory can handle?
I'm using the NVMC to store large buffers that...
hi:
when use the gzll for host, the power consumption is large, about 12mA , but the device mode just 38uA. I find in host mode the main loop always be awakened even if there...
Hello,
I am using nrf51822 for couple of my projects and most of the time doing OTA device firmware update using development dongle connected to my Macbook Pro and running...
