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...
Hello,
I am having troubles to run the light_switch example from the nrf5_SDK_for_Mesh_v0.10.0.
I am using PCA10028 boards with nRF51822. I didn't modify anything in...
I basically need clarification on the last point of this question , which seems to imply that:
the first time you call sd_ble_gatts_hvx() while the SoftDevice's transmit...
Hello,
the NFC library provided in SDK (nfc_t2t_lib_gcc.a) is compiled with the FPU support. For specific reasons, we can't currently use the FPU in our project. Would it...
Hi,
I have a problem with advertising, application starts advertising and makes connection normally, but after disconnection advertising is not starting. sd_ble_gap_adv_start...
Hi,
i am using SDK v8.0
and in main function, initialization like this err_code = bsp_init(BSP_INIT_LED | BSP_INIT_BUTTONS, APP_TIMER_TICKS(100, APP_TIMER_PRESCALER), button_event_handler...
Test code：SDK14 ble_app_ancs_c
Hey guys,
When I used ble_app_ancs_c demo to do FDS, there was a problem！
I initialize FDS and register the drop back function。
When...
I am migrating a project from SDK 12 and SoftDevice S132 V3.0.0 to SDK 14 and SoftDevice S132 V5.0.0. Is the follow case still required in the ble_evt_handler ?
#if (NRF_SD_BLE_API_VERSION...
Now want to use two way PWM, how to set the PWM cycle, frequency, duty cycle, there are two road PWM phase, which is the starting point is not the same as shown in figure...
I am having errors building the examples in the latest SDK for Mesh (nrf5_SDK_for_Mesh_v0.10.0-Alpha_src). I ran cmake -DTOOLCHAIN=gccarmemb -DPLATFORM=nrf52840_xxAA .. in...
Hello,
I'm using NRF52832 with SoftDevice S132, and SDK 14.0.0 to make NUS peripheral and central. To test it I have one NUS peripheral device, that echoes incoming data...
Using SDK 13 FDS, I store 6468 byte, that is 1617 words, including FDS header. Of course this size is total.
In detail in byte size, this size consists of
(12(header)...
Hi,
I'm wondering if the slave connection interval range is the same as the GAP peripheral preferred connection parameters i.e. does it make sense to do the following ...
Hello!
I'm developing thread application with COAP communication. I've got problem with message queue on router. Everything works fine when operating as a child. I have cyclic...
Hi,
I'm wondering if I can get current transmitting channel during a connection. So
Is there a way I can directly read current transmitting channel?
If not, is...
