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...
Hey folks,
I'm trying to modify the SPI Master loop back example into a 4 line SPI Master_Slave program. Whenever I change the Tx_Buffer_lenght from 10 to lsome other numbers...
Hi.
I am using S130 softdevice version.
Basically, I am using NUS Service and make a my own NUS central service as NUS_C.
It is correctly work at normal state.
When...
Is the advertising interval between two packets P1 and P2 defined as:
Interval = P2_start - P1_stop (time between packets)
or
Interval = P2_start - P1_start (time...
In a project I worked on using softdevice s110 v. 7.1.0, if the receiver hadn't enabled notifications, sd_ble_gatts_hvx would return an error, so I used the following construct...
Hi,
I want to advertise multiple UUIDs, one after another
Do I have to stop advertising, or is there a way, that I can update the struct in the background?
Currently...
I have two UART devices on a custom board with an nRF51822. I've just upgraded the SDK I use from 8.1.0 to 10.0.0 and one of the UART connections has stopped working, but...
Totally get the limitation of 3 PWM channels.
Wondering if I can dynamically re-assign which 3 pins are tied to the PWM outputs.
At boot time, I call this function:...
Hello!
I am trying to get windows phone work with nrf_uart example on nrf51 dk board (pca10028).
I am using SDK 9.0 with S110 softdevice ver. 8.0.0.
I was using examples...
Hi All,
I have got reliable writes working on nordic side (nrf51822 eval board).
Tested them with master emulator dongle by using write long button on MCP on PC.
I...
Hi, I'm porting my project from SDK8.1 to SDK10 and got a problem in app_timer.c
Main chip :nRF51822 QFACA1
Crystal:32Mhz, no 32.768
Initial is fine.
APP_TIMER_INIT...
Hi, I realize that the compatability matrix states that SDKs 7 8 and 9 are built for rev3 of the nrf51822 and nrf51422. It has been mentioned however that they may still work...
The S130 SD supports up to 3 concurrent central connections. Once it has made the maximum number of connections can it still scan for non-connecting peripherals, e.g. to look...
I have 2 PWMs working with the version 8 softdevice on an nRF51422, and it's straightforward enough to change the duty cycle with app_pwm_channel_duty_set() in the app_pwm...
The way of entering the bootloader mode is sending the command,then run the code as follows:
void jump_to_bootloader(void)
{
uint8_t softdevice_enabled;
uint32_t err_code;...
