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'm using the APP_BUTTON_INIT-Function to register a button at the GPIOTE-System. This works great while running normally, e.g. I can react on debounced button_down or button_release...
Hi
I am developing for the nRF51822 a 4 layer print with a power and a ground plane in the inner layers. I will be using a balun from Johanson Technology (2450BM14E0003...
I've heard that's not allowed. If so, why?
If it is allowed, are there any precautionary steps I need to take, not to interfere with the radio?
Thank you!
Gil
...
Hello, we have a custom board based on the CEAA WLCSP reference schematic with internal LDO setup. Our supply voltage is 1.8V (VCC_nRF). Unfortunately we don't see any BLE...
Hi,
We are planning to use the SWD Tag Connector with our nRF51822 platform.
Please refer the snapshot for pin 3 connection on our board with Tag connect footprint.
Pin...
Hi
My product is ready for mass production, before start to sell, we need to do the Bluetooth qualification, we asked several local test labs, they told us that their test...
Where can we by a connector that fits into the antenna connector.
We have nRF51-DK development kit and want to connect to externa PA with an antenna connector and have trouble...
Hello Guys,
I'm implementing the ble_app_hids_mouse. I can pair with Windows, I see the mouse arrow moving around etc everything looks good except when I tell Windows to...
Hi,
I have successfully enable the app_timer module which toggle an output pin on every interrupt, and now I want to enable an interrupt on every 400us with %10 accuracy...
I want, without success, to wake-up from SYSTEM OFF state, send advertisements with some custom data and go back to sleep.
The counter value is always 0, instead of being...
Hello,
I use nrf51422 to connect the ANT device(Heart rate monitor) and it can work .
My question is ,
I want to assign a new device_number to 51422 and use this new...
Downloaded an used the latest (2 months old) code from DFU-Bootloader-for-nRF51-Evaluation-Kit
After it didn't work out the gate, I've attempted to narrow down and root...
Hi
In the new SDK 7.0.1 a new characteristic "Revision" was added to the DFU service. What is the meaning of this revision? In the bootloader library of the SDK the value...
