Hello, I have established the connection between two pca10001 boards, one as central and one as peripheral using multilink_central and multilink_peripheral. I have serial...
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...
Hello.
I want RSSI check. so added source code as below.
test_rssi_start = sd_ble_gap_rssi_start(m_conn_handle,BLE_GAP_RSSI_THRESHOLD_INVALID,0x00);
if(test_rssi_start...
Hi all,
Is possible using NFC to send variable message? I want to send a counter event (data I got via BLE) to the NFC module.
Using the example I was not able to do...
Hey,
I'm just wondering how to add a UUID to the blinky example peripheral?
I want something like the heart rate sensor where its advertising BLE_Heart_rate_sensor.
I...
We have recently migrated from a custom board based on the nrf51 to a new board with the nrf52832. Our nrf51 board used to run at 6-8 uA when it was just sitting there advertising...
Hi
During schematic design, i read regarding proper powering of NRF52 (the product is battery powered 2xAAA). somehow i can't find this info now and i would like to verify...
What does mask and 1<< mean in the following code:
#define BSP_LED_0_MASK (1<<BSP_LED_0)
#define BSP_LED_1_MASK (1<<BSP_LED_1)
#define BSP_LED_2_MASK (1<<BSP_LED_2)
...
Hi all,
I'm transferring data to and from an Atmel AT25040 NVRAM using SPI, and it works perfectly when run within main(). However, if I run the same code from within an...
Hi, I want to enable notification for a specific characteristic, and to do that, I must write 0x01 (in java it's going to be "01,00" ) to the CCCD handle of this characteristic...
Hi,
I tried to use python API to drive the nrf sniffer to capture ble device information by their advertisement packet. I can successfully target a specific ble device...
Hi, I'm wondering how much i need the LF crystal oscillator.
In this case, the chip is never asleep, in constant latency mode, and is constantly advertising and meshing...
Hey guys,
We have several different devices that use the nRF51822 and some using the nRF24L01. We currently use the proprietary RF protocol and have all of our devices successfully...
Hi,
Reading from flash, an already programmed key, returns zero.
Using sdk 12.1, sd s132_nrf52_3.0.0, nrf52832, and pstorage. The key is programmed after uploading the...
On nRF52 interrupts for GPIOTE, I need to perform one event when a button is pushed, and perform another different event when the button is released.
I've checked these...
