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...
Hi All,
Please Reviwe for a attached circuit file(Chip ANT of nRF51822.pdf).
I also attach a datasheet of chip antenna applied for that circuit(SDBTPTR3015 Data Sheet...
Hello:
We have a BLE project running on the BMD-300 from Rigado for which we want to add BLE DFU functionality. I am basing our development on the "ble_app_buttonless_dfu...
Hello,
I want to measure the current in system off mode.
I am flashing the S110 softdevice and bootloader in the nrf51822 chip.
Using BLE i am flashing an application...
Hi nordic
I'm developing using nrf52832
This board has many example code so I'm developing smoothly
but Today I had problem. It is about check time
I want to check...
Hello, I use light switch example (nrf52832, mesh sdk 2.0.1)
Can I create mesh network without servers? (clients will send messages to each other and process them)
And...
Hi, I want to use 2 I2C instances and 2 SPI instance during setup, and later switch to 1 I2C instance and 3 SPI instance. To do this, I tried to swap TWIM2 instance to SPIM2...
I'm looking to build a product which require an Android board with relay and BLE 5. I am very new to this and so far I have been playing with Raspberry Pi where the BLE and...
Hello, this will be a bit of a long-winded explanation but here goes: I'm building an SPI driver that reads data from an external ADC and writes to a PWM signal. I got the...
I figured that I could put
#define TX_POWER_PHIL +8 /** -40,-20,-16,-12,-8,-4,0,+2,+3,+4,+5,+6,+7,+8 phil **/
and then make two changes to
static void advertising_init...
Is any GPIO, as output, logic level on nRF52832 maintained when the device is in OFF mode? Same question when the system is in ON/Low power mode Thank you
Hi guys!
I am making an application that uses the PCA10056 for 2.4Ghz RF communication using Enhenced shock burst(esb).
Also, when upgrading the application, i try to...
Hi all. I fell into despair in an attempt to find a solution. If I do not use sprintf then everything works fine.
Before calling some_f, mqtt_put works without any grudges...
Function softdevice_enable() doesn't return any adjusted warnings in case of changing central/peripheral connections, e.g. my ble_stack_init() function:
static void ble_stack_init...
Hello, nordic.
I studing nfc example for oob pairing.
So, I have to intergrate to uart example and hrs nfc example.
I had intergrated uart function in hrs_nfc example...
I am trying to decide whether to use free-rtos or bare-metal.
In the documentation for the nRF SDK v15.0.0 i see that free-rtos is not supported for the nRF52840.
However...