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...
I have about 200-300 sensors, each requiring to send data at around 0.5-1Kbps to a central node (coordinator/master node), what will be the network configuration/topology...
In SDK 8 for the nrf51422, notifications are always being sent as 20 bytes, regardless of p_len. The BLE_EVT_TX_COMPLETE event stores the proper number in tx_length, but the...
Hi everybody.
I am making an application which combine ANCS and UART on PC100028 (nrf51 SDK 9.0.0). This program worked properly. However when I add DFU service (dfu_dual_bank...
I am currently using Nordic's UART code and wish to build to use the UARTE rather than the legacy UART. I am currently using the following definitions in nrf_drv_config.h...
I use the S110 V7.3.0
I use the uart function ,I can use the uart function is OK.
But ,I need save power.
How can I turn off the uart function,while I was start the uart...
Hi,
When trying to update an application using nRF Toolbox on iPad, I get the error as in
this thread .
Turning Bluetooth OFF and ON does not help. On Android it works...
I tried the latest SDK 10.0 and Softdevice 8.0.3. I compiled UART_OVER_BLE examples and it works well with Android and Windows Mobile phone. However, when tested with iPhone...
Hi,Nordic and all great guys,
I am a new developer for NRF51822, and quite unfortunately ,we have a complex application to develop. We need to run code in the main thread...
Hi,
I know how to change the name of the device using
BLE_GAP_CONN_SEC_MODE_SET_OPEN(&sec_mode);
err_code = sd_ble_gap_device_name_set(&sec_mode,(uint8_t const *) DEVICE_NAME...
Hi,
I am developing a custom profile for an application.
This custom application works fine with Master Control Panel and nRF toolbox on Android.
I am also developing...
Hi,
I am using the sample ble_gls code from Nordic.
Currently it advertises for 180 sec and than resets or goes into sleep mode.
If i want to advertise continuously what...
Hello,
I am just starting working with the nRF52 development kit and have a couple guidance questions. I'm very new to the Keil environment and am having a little trouble...
I'm using s130_nrf51_2.0.0-4.alpha as central and do some testing with channel map.
I set the channel map before I'm trying to connect to a peripheral with:
ble_opt_t...
Hi experts,
I want to send 20 packages from nrf51822 to phone, so I tried to call sd_ble_gatts_hvx() repeatedly until BLE_ERROR_NO_TX_BUFFERS returns, then sent left packages...
I have a question about the NRF518222, we using 3v coin cell battery as power for Ldo working mode.
The connection between the devices and mobile phones, regular, disconnection...
