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...
In my application I have a custom board with a single LED. While advertising the LED blinks at 1Hz and when connected the LED goes solid. However while testing with a proven...
I'm creating an application based on the s110 SoftDevice found in nRF51_SDK_8.0.0_5fc2c3a. I'm new to the SoftDevice framework so I've probably made an error somewhere but...
Is the GPIO pull down/up asserted on the 'inside' of the input disconnect switch or at the input/output pad? The diagrams would indicated that it is on the 'inside' of the...
This is function definition:
static uint32_t battery_level_char_add(ble_bas_t * p_bas, const ble_bas_init_t * p_bas_init)
This is declaration of the automatic variable...
Before starting advertising, we want to write some configuration information to NVM. In order to write to NVM, we first call sd_flash_page_erase and wait for the response...
I just posted a package of simple tools I wrote for OSX over on Sourceforge . The main app is a Cocoa app which lets you choose code, softdevice and bootloader (last two optional...
I Saw iBeacon Packet in the website
(d6 be 89 8e) Access Address for Advertising
(40 24) Header
(05 a2 17 6e 3d 71) Mac address
(02 01 1a 1a ff 4c 00 02 15 e2 c5 6d...
I want my peripheral device to act as a beacon while it is in a connected state with a master device. Is it possible to start not-connectable advertising in parallel with...
I am working on a nrf51822 UART bootloader using Keil 5.14 (though I had the same problem with 5.1). If I start with the pack example dfu_dual_bank_serial_s110_pca10028 with...
What happened to NRF_FICR_Type.INFO and FICR_INFO_Type in nrf51.h?
This was in ./components/drivers_nrf/hal/nrf51.h in nRF51_SDK_7.1.0_372d17a
but is missing from ....
Using the nRF51422 with the TWI hardware version. Just playing around to verify signals with the following code which just configures the TWI1 and then repeats continuously...
Hi,
i tried to update the firmware of nRF51-DK but it crashed and now Keil uVision says "Cannot find the JLink version number"
Its also not showing in the nRFgo stu...
I'm developing application using your devices (PCA10001/PCA10000) and S130 SoftDevice. I tried to implement DFU/OTA feature in my app. For this purpose I used DFU sources...
Hi All,
Does anybody has a working setup using SD 7.1.0 with SDK 7.2.0, iOS 8, DFU with a secure connection?
When I use no encryption it works, but when I enable encryption...
So I'm currently trying my hand at some very simple things that one can do with the NRF51-DK.
One of those things involves sending notifications to a client on certain...
