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...
GPIOTE gives us 4.
LPCOMP gives us 1.
What else?
I am working on something related with external interrupts.
Doesn't have problem in my project, but I just always...
Hi Guys,
Is there a way with the Keil C Compiler to get an *.LST file or some sort of Assembly output from C source input?
I'm still trying to write some code to drive...
Hi
Now, I am coding SDK5.0.0 keyboard project and almost done. It's Keil C version. Did you have IAR version for reference? Besides, did you know if IAR supports J-Link lite...
Hi,
I just started to interface the lcd display with nrf51822 evaluation board. The display i'm using is, spi compatible, 18" tft (160x130) from tiny lcd. I took spi master...
I would like to know how to implement reset button on nRF51822. Image of schematic would be very useful, but good explanation should be enough. Thank you in advance.
I...
Hello,
I am trying to build the nrf51822/Board/pca10001/s110/ble_app_proximity project, with gcc ...
I have created a makefile based on the button_radio_example makefile...
I would like to know if the Notification/Indication of a Characteristic is enabled. I suppose this data is stored in a CCCD on the stack. I have not found any SVC instruction...
It seems the only way to use the S310 alpha hex on the development kit is to replace the IC on either of these boards; is this correct or is there another way?
Also, the...
Hi,
I am researching BLE product for a similar task (1 central node with 4-6 concurrent slaves). I have looked up other vendors (TI, CSR etc) and come to a conclusion...
After Googling and searching this forum I still don't know if I can make an HID peripheral (a touchpad) for Android that operates over Bluetooth Low Energy, and is accepted...
Over the air downloaded updates are an essential feature for productization. Are there any examples showing how to implement the OAD? Also is it possible to OAD update the...
Hi,
My nRF51822 evaluation board is not working, here i attached the screen shot's of the error messages i used to get on both the nrfgo studio and in keil. Please suggest...
Hi
When I reduce the operating voltage, the nRF51822 with the heart rate demo running resets whenever the voltage drops below 2.1V and does not recover unless I increase...
I need an star network with 1 master and 4 to 8 slaves. I'm not so concerned about the power, but the convenience of the nRF51822 is attractive.
Does the current BLE library...
