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 just received new rev.3 nrf51822 chips, so I am migrating with my project to newest SDK version.
I installed Keil5 with that smart run-time environment manager...
I would like to send the current status of the battery as a beacon.
ADC and a few resistors and what do I need?
I am currently using nrf51822.
I know nrf51822 to...
I'm trying to port my old project to the newer soft device and SDK (v8.0.0) and just ran into an issue where the app_timer_event_t seems to no longer be defined. My previous...
Hello,
I would like to do an communication between Arduino and Android platform.
In my case, Android will be master.
But I want also test between 2 Arduino with an Bluetooth...
Is there a UART version of the DFU example that is provided with the new SoftDevice 7.0?
If not how to go about modifying the BLE DFU example to be able to handle UART...
Hi, I made a beacon board only have button and leds. The version of chip is nRF51822-QFAA G0. I used the precompiled hex file in the nRF518222 Beacon v1.1.0. After I download...
Hi,
I am trying to debug a custom PCB for the NRF51822 - I can run a modified version of the HRS application (S110) that has been verified on the PCA10004. The LF clock...
hello, my name is alessio and i'm italian. I have got a problem with "RFduino" and the "pulse sensor amped" ( heart rate) .
I downloaded the library of the sensor in the...
Hi,
I have a few questions about the SPI master module. I'm using it for an application that basically needs to be gapless. After quite a bit of work, I've gotten it to work...
Hi, I am evaluating the nRF51822 for an ultra low power energy harvesting application.
I measured the time from power-on (VDD applied) to code exectution (GPIO toggle)...
Is it possible to launch ipv6_coap_client on nRF51822-EK?
I have modified preproccessor simbols adding BOARD_PCA10001 instead of BOARD_PCA10028.
Also I modified part concerning...
Hi
Can anybody answer me if i do not call SOFTDEVICE_HANDLER_INIT instead i call sd_softdevice_enable ,sd_ble_enable(&enable_params),sd_nvic_EnableIRQ(SD_EVT_IRQn) directly...
I have a simple project which uses S110, so I flashed the S110 and the bin, but the result is not as expected (blinking LEDs), is there any quick way to verify before needing...
hrs_sdk7_1_bin_sc.zip contain application.bin and application.dat
How can I make a xxx.dat file?
When I del it from zip,it will cause error during dfu update.
Hello EveryOne
My button event handler is not being called. following is my code what can be the problem.
uint32_t err_code;
ble_stack_init();
timers_init...
