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...
I've been using the ble_app_uart example with S130 on a nRF51 DK board. I wanted to add an interrupt with some GPIO pins. So I added GPIOTE interrupt handler but the compiler...
Hi all,
I want to ask you if it is possible to program nRF51822 chips (Cortex-M0) with J-Link OB assembled on nRF52 preview DK (Cortex-M4F).
I have some older boards with...
Hello,
I am working on pin interrupts and was able to handle with 1 pin interrupt. I used GPIOTE port interrupt. This is the code snippet for initialising:
NRF_GPIO...
I am trying to get my system with a hardware RTC generating periodic interrupts every 30 seconds to sleep between interrupts. I'll paste the code below, but here is the problem...
Hi,
I had an issue which the other BLE tools can connect to my BT121 module, but NCF Master Control Panel keeps looping at the connection content page. FYI, it is bonded...
As the picture shows! I have changed some Option of target and some forbidden sign appears.
I guass it means the file is not available,if so, how can I delete it. Why It...
I use bootloader example of SDK8.1.0, when I begin OTA, I got GATT error.
I use nRF Toolbox Version1.16.2
here is application upload:
dfu_test_app_hrm.bin
here...
Hi
We are using the SDK files in our hardware projects and in our simulation environments to verify the functionality of our platform. While doing tests with the new SDK...
Hi All：
I'm working on ios ble midi proj. I have modified ble_nus code for my proj, I was modified the correct service uuid ,characteristic uuid , connection_interval ,latency...
Hello
I have recently downloaded SDK v10 for nRF51822 development using Keil uVision 5.14 IDE.
I am wishing to combine SPI slave function with custom BLE services/characteristics...
We are trying to find a way to send the High Frequency Clock directly out to a gpio pin. The reference manuals don't seem to have anything obvious.
Is there a way to do...
Hi,
I am trying to use PStorage to save simply 40 bytes of data onto a flash drive but for some reason the PStorage handler never gets called when I try to store and clear...
Dear all,
I need to measure a pulse width on a GPIO pin which is in between 100mseconds and 7.2 seconds long without the use of "regular" timers due to low power requirements...
I have migrated a new project from SDK 9 to 10, and now I seem to be having issues.
I'm using the uart_fifo to read data from a GPS, so the data shows up every 1 Second...
