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 Experts，
I use TIMER_1 and PPI to driver a 'H' style bridge for our motor. Unexpected system reset will happen if I trigger the 'H' bridge PWM with ble connected. It...
Hi,
I run the code of the radio_test example in a VisualGDB project. When I start it with a debugger connected, VisualGDB informs me that a ARM semihosting system call...
Hi, is their any brief explanation for nrf5-sdk-for-eddystone project firmware newly released by nordic. I go through the project but it is very hard to understand can any...
We have an use case that we may need to support up to ,say 500 sensor nodes and it may be added or removed dynamically. And we should collect all sensor data within 3 seconds...
Hi all:
Based the descriptions in data sheet, the GPIO9 and 10 are set to NFC antenna pins by default.
And I cannot control these 2 pin correctly by configuring the pins...
I want to use NRF51822 to advertise is door close/open. No need bidirectional data sending.
Only one way from NRF sensor to mobile phone app.
Actually I have only two different...
I am using NRF52 S132, and using UART service , but my phone is getting disconnected automatically after 1 or two minutes. I have seen this question asked in Forum but that...
Hi,
Has anyone test with Nexus 5X ?
I could not change connection interval 7.5ms, the interval is always 45ms.
Does anyone know how to change the connection interval...
SDK 9.0, examples/ble_peripheral/ble_app_hrs
Trying to use DFU with a bond device, I got aware, that after the update, some "static" data seems to get corrupted during...
In the Keil Pack nRF_Libraries V3.10 [SDK V10.0.0?] (Low-Power PWM Example)
Not a big Bug, but an inconvenience all the same.
low_power_pwm.c line 165
ret_code_t...
Hello,
I want to change the advertising timout during runtime. We have two use cases for our device:
Batterie mode --> advertising timeout = 2min
Power...
Hello,
Implementing a LED led driver was pretty simple and below code works well:
nrf_gpio_cfg_output(LED_PIN);
nrf_gpio_pin_clear(LED_PIN);
NRF_GPIOTE->POWER =...
Hi there,I am using the PWM library in github github.com/.../nrf51-pwm-library . After I do this in my project and I check the pin output with Oscilloscope but didn't see...
I have a product that was released a few months ago and is operating in-the-field. Recently we discovered a bug and need to fix it. We are unable to do a DFU because:
...
