Hi,my friend,
Now,I use nrf905.Situation is as follows:
I use the NRF PCB circuit of data manual.Nrf905 work, often loss of data.
1.The Product host is to use the stick...
Hi,
I want to use the Blend Micro with more security. I want use a passkey for the Bluetooth connection. For example through the iOS Device.
Is it possible? Static passkey...
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...
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...
My computer (Windows 7) cannot find any driver software for the nRF24E1, the dongle PCB in the nRF24Z1 development kit. Where can I find the software?
[edited 7/16] It...
The nRFgo Studio showed "No device detected" when the nRF51-DK board was plugged to the USB port. And the Recover button was greyed.
When the board was plugged in, nRFgo...
Hi,
I want to get a message to know if the S120 center have had get the adv packs.
Is there a way to make a scan respond ack payload pack from the S120 center?