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...
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...
Hello!
I want to add the battery services in my nRF51822 project for getting the message of battery. Is there need battery-powered?
But,I am sorry to see that the led which...
hi everybody,
I'm working in a project, I need to establish a connection between a beacon & the mobile phone, I want to prevent any other masters of connection to my beacon...
I am having an issue with running the initial blinky example that came with the nRF51 PCA10028 SDK in the Eclipse IDE . I will include screenshots of the issue. I believe...
Hi new to Bluetooth, but familiar with Radios and embedded devices
I have 2 devices that only connect to each other.
in the interest of extreme battery conservation I...
I am using a BLE UART friend module and I am trying to set the GAPIntervals parameters. I realised that when I set my max conn interval parameter above 2000ms, the device...
I am planning to use the nRF51822 and the s130 soft device to manage data coming back bluetooth sensor nodes. It is likely that there will be more than 8 peripherals, although...
The SoftwareSerial library allows GPIO pins to be used as TTL serial pins by bit banging.
The nRF5 suffers from the same problem that the Arduinos have. 1 UART.
Does...
Hello guys
I tried to start TWI bus and got a lot of questions. (NRF51 1422 AC)
I added necessary libraries, could You tell me what more i need to include in my code ...
Hi , We are using NRF52832 for our product .I have a small doubt in using GPIO . Can we use PORT and PIN events simultaneously at a time .
I need to configure some pins...
Hi,
I have three beacons in my setup:
One listening (R1) and two transmitting (T2, T3). T2 and T3 transmit packets with same length.
Say, T2 has started transmission...
Hello,
My system is one device with multiple host, these host will connected to the device on irregular basis.
The host action are listed below:
scan->connect->write data...
hi, i'm going to do some project with nrf51822 and SDK 6.0.0.
i just made up ble connection between phone and the chip.
and i want to send data some fixed time periods...
Hello,
I think there's a bug in the app_uart library in SDK 10 that occurs when the FIFO is enabled.
Using SDK nRF51_SDK_10.0.0_dc26b5e, I was trying to write data to...
I'd like to control a DC motor using PWM (PWM0, pretty straight forward).
To determine motor speed I disable the PWM every 5ms (TIMER1, pretty straight forward) and measure...
