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 know I have seen the topic on the forum, but can not find it. What changes need to be done to a example project designed for a softdevice 110 to convert it to...
The s310_nrf51422 migration document states:
Due to an issue present in this release, the application is required to set the device address to the factory default right...
Hi,
I was just wondering what the sequence of events would be in the following scenario:
A S110 peripheral device (GATT server) has a characteristic with write access...
Hi all,
I've spent 4 days now (!!) on getting a "Hello World" project to work in eclipse with GCC. I guess something around the startup-code is setup wrong in my very simple...
Hello, I'm using nRF51822-mKIT for a research.
To verify ADC readings from analog input, I've connected P0_5 to GND and ran the following code:
uint16_t adc_result;...
For my project I would like to use this bluetooth module: freqchina.en.alibaba.com/.../Fingertip_size_nRF51822_Module_Ultra_Low_Power_Bluetooth_4_0_Low_Energy_RF_Module.html...
I am trying to connect to a peripheral through s120 central and vendor has a 128 bit fixed UUID
I am trying to add it on central using sd_ble_uuid_vs_add(...,...) but it...
I am trying to develop an application for the Android that will communicate via BLE to a Nordic device. I'm able to read the characteristic's value by
BluetoothGattCharacteristic...
I'm using nRF51822 SoC and I have a LIS3DSH accelerometer connected to the ship via SPI bus . I used the SPI master example . So i used the switch_state() function then took...
Hi, I would like to know how I can immediately detect when a connection link is loss either from the central or peripheral. I need to know which error or notification to look...
Hello.
Here was the question about S120+DFU and Petter Myhre said that Nordic ready to release the new S120 version with the peripheral mode support, so making DFU OTA will...
Today I tried to update the SoftDevice of my project. I was working with the experimental NUS example with the old S310 SD (1.0.0). Because I want to communicate thru ANT...
Hello everyone,
I'm developing a security scheme in which the firmware verifies that the nRF51822 is the same as the one in the factory to which the firmware was installed...
