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...
Hi,
i have a question relative to the configuration tool File Format.
I'd like to modify (automatically) the configuration file in order to change the "Device Name"...
I am using a Bluetooth NRF 8001 module. I want to send data to the module from my android phone to the bluetooth module connected to an Arduino. For sample test I used nrf...
Dear Håkon Alseth,
you posted twi source code which took care of all SD/PPI stuff here and it was also linked here , but it is no longer available. The whole forum seams...
Hello,
I use the bootloader in SDK v5.2.0 and could not run APP after DFU completed.
It always stay in the DFU state.
After checking the memory by J-Link commander, something...
At work we are primarily interested in using the 128kb nRF51822 devices. I am able to get a softdevice and bootloader onto a 256kb device just fine. When I attempt to do the...
Hello all,
I want to send some sensor data( collected by Pic controller) to other BLE client(may be a phone) using nrf51822 via UART. Can somebody suggest how to communicate...
Hi,
In the reference design of "nRF51822-QFAA_ST_BAL-NRF01D3", the datasheet recommends this crystal ( www.digikey.com/.../3125558) , but we are out of stock from local...
Hello all,
I have flased "ble_app_hts" example for nrf51822 on evaluation board PCA10001. In the application both the LED pins are configured for output using "nrf_gpio_cfg_output...
I have a large array of uint16_t data to use as a lookup table, which is defined in flash. It's 4002 bytes in size, and I can set where in flash it is saved. I'm accessing...
I am using an nRF51422 and attempting to interface
it with an MPU9150/6050 using your MPU6050 driver and
the underlying twi_hw_master.c.
I have modified twi_master_config...
Hi all,
My application gathers sensor data and uses the advertisement packet to broadcast the values (much the same as the nordic temp sensor example). Rather than having...
Dear developers,
I need to turn nrf8002 to master mode in order to use Alert Notifications of "Profiles - On Master" offered by nrfgoStudio. I need these profiles to activate...
I'm trying to send data acquired from the ADC and monitor it using the master emulator.
The values I'm getting do not appear to make sense though.
I'm using the BLE_HRS...
Hi,
Original UART DFU bootloader SDK example ported from NRF6310 board to PCA10001 board does not work.
What did I do wrong - can anybody please help me ? Thanks in...
