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...
SDK 9.0
nRF51
PCA10028
I want use nRF51 gazell function one host multi device. Reference example code "gzp_dynamic_pairing",host and device can auto pairing .
But in host...
I used to be able to see my development kit in nRFgo studio and flashed S110 onto the chip. Now all I see is: "No boards connected". I am still able to flash programs onto...
Hey Guys，
Who can tell me what are the differences between the timer0, timer1 and timer2?
And if I want to set up timer interrupt in timer mode, the interrupt will be...
Hi everyone,
I took the example Ble_app_uart and I modified the Nus service for send data in Indicate mode.
With MCP I discover service and enable service (0x02->indicate...
Hi, every one,
In my application , we need to bond my device with host , and then our application will go to deep sleep by calling sd_power_system_off. When I wake up my...
Hi,
I have made some customs pcbs, the main one use the PCA10004 reference design and the small boards use PCA10000. I can get 25 meters on LOS (I think it can go far way...
Hello
Until recently I have been using a JLink EDU to program and test nRF51xx devices from Keil 5.14.
I recently bought a Ulink2 and would like to do the same but have...
Silly question, but I haven't gotten into a good rhythm with the debugger. Every time I try to use the debugger when a soft device is programmed, I can't seem to ever hit...
I'm trying to port the Dual Bank BLE DFU Bootloader to a custom board that we have. The only modification I have made in the bootloader was that I changed it so the internal...
I'm working in a project & I want to use the PWM application provided by the SDK with the bluetooth module, I want to control the LEDs light intensity using the PWM, the PWM...
I'm having difficulty with using PWM library with softdevice. The app_pwm_init function returns
NRF_SUCCESS but call to app_pwm_enable does not generate an output.
...
Hello,
Is that possible to connect to a device that is not advertising ? (a kind of wifi not send SSID)
In my case I know what mac address to connect so it's useless...
The critical section code in app_util_platform is controlled by the symbol SOFTDEVICE_PRESENT. Do I have to set it up in the project or is there something else that controls...
Hi,
My problem is next. I want to use some of examples for nrf51822 on costum board but code stuck at sd_softdevice_enable(). As I cant see where is this function defined...
