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...
Hi,
Today I use the app timer to start a simple 8bit ADC conversion each second and send in the irq handler.
Now I am trying to use the sw interrupt to execute some...
Hi
I want a 1K Hz square waveform to drive a peripheral device, but I can not get a continuously square waveform on GPIO 19, pls have a look at the picture I attached,...
Hi All
I am facing one issue using app_timer.c, When I put the PRESCALER value as 327 and started timer as app_timer_start(timer_ID, 100, NULL);, It was giving only 920ms...
Hi,
I ran the Nordic nrftoolbox on Sony Z1 android 4.3. I found that the device name is not showing on the list as attached. Running the Nordic nrftoolbox on Samsung S4...
Hi there,
We are using the nrf8001 and a arduino to read out two sensors.
The two measurements should be at the same time and therefore are coupled to eachother.
Is there...
Hi
I try to program my custom board using J-flash and Flasher ARM ( for production ).
Attached my J-flash configuration.
Connection with device is successful established...
I've recently began experimenting with the HID service and connecting to iOS devices in order to achieve lower connection intervals with Apple products (as described in their...
Hi,
I tried the booloader program on nrfgo mother board and it works as it is.
However, after I followed the same procedure and download to our inhouse board which is...
Hi!
I'm trying to receive notification on a characteristic that I've written before but I can't. I've activated the Notification in that characteristic, after that I write...
This question is somewhat related to: devzone.nordicsemi.com/.../how-to-switch-between-over-the-air-and-uart-bootloader-mode
I know it is possible to switch between HCI...
Hi
I'm working on the DFU feature according to the "device_firmware_updates" example on PCA1001 board, basically it works, but the question I'm facing is the board always...
hello,
We used the nRF51822-BK-FW 1.0.1
We need a little more help here to add the MAC address to the advertising packet. Can Any one help us add that to there?
i m attaching...
Hi,
Could anyone give some idea how to do data transfer with help of L2CAP (calling L2CAP APIs from Application)? I will be very much thankful if give description/steps in...
Hey all,
I have a custom board running a 51822 rev C0 chip connected to a TMP102 temp sensor over I2C. I was using the twi_sw_master.c to successfully talk to it in my...
