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...
Hi,
In my application, I need 3 PWM to drive LED. Each PWM will have the same frequency but not the same duty cycle.
Is that possible to do that?
I know that Timer0 is...
hi
on android side of my project i try to disconnect from gatt by this code
mbluetoothGatt.disconnect();
but in nrf51422 this event not trigering
static void on_ble_evt...
Hello, I am working on low power modes and I got trouble finding the code to switch from NRF_POWER_MODE_CONSTLAT and NRF_POWER_MODE_LOWPWR. Can anyone please guide me to better...
Bonding causes power consumption to rise.
I have a central and peripheral device communicating using the nus-service. The peripheral device is running FreeRTOS with tickless...
Hi,
I'm trying to test the DFU over HCI included in the SDK examples but I can't make it work. This is all the information of the environment I'm using:
SDK: 10.0...
Condition: nRF52, SDK11,s132, SDS v2.0.
Using the sd_ble_gatts_hvx() in timer1 interrupt service(timer1 interrupt priority is set to level 3) will result in hardfault. While...
I am using SDK_11 s130. I am looking at app_error_fault_handler() in app_error_weak.c
Inside app_error_fault_handler(), there is this line of code;
UNUSED_VARIABLE(bsp_indication_set...
Hi,
I am using keil uvision 5.17, SD 130, nRF 51822, dualbank bootloader.
I have programmed own application and merged bootloader, application, soft device.
I...
I am using ble_app_gls on SDK_11 s130 on nRF51-dk.
This is a follow-up question to the question below.
devzone.nordicsemi.com/.../
After enabling debugging, I discovered...
Hi,
I'm using the example projects "ble_peripheral/ble_app_uart" "ble_central/ble_app_uart_c" in SDK10.0.0 to test data throughput.
I'm sending 20bytes of payload. But...
Hi,
I am using nrfjprog package installed in folder /opt/Nrfjprog. I am getting the fallowing error.
nrfjprog --eraseall
ERROR: JLinkARM.dll load failed. Try again...
Hi,
I've migrate from 3V to 1.8v power supply.
before the migration, using 3V power supply, DEC2 connected to 47nF directly to GND.
after the migration, using1.8V power...
in android program i disconnect from my gat with this code
while(isconnected){
mbluetoothGatt.disconnect();
Log.d(TAG, "Disconnecttodevice: ");
}
mbluetoothGatt...
Hello, I load UART over BLE example on nrf51DK (51422) DK board and measure for 13 seconds from power on.
Here is the result graph and the average current is about 175uAh...
