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 use nRFgo Studio(v.1.21.2.10 win7 x64) "Program Application" to program the combined file(SD+Bootloader+application), it will indicate an error as the attachment...
Hello,
There is an issuse in my project that using nrf_gpiote_drv lost interrupt.
SDK: nRF5_SDK_13.0.0_04a0bfd
Chip: nRF52328_xxAA
Board: PCA10004
There is two...
Hi,
I am developing on NRF51822 custom board but I had a problem on how to init TWI driver to communicate with MPU6050.
In short, when receiving a BLE_CONNECTED event...
Hellow,
I'm using app_timer to play the buzzer.
The default behavior is
1. key in
2. timer start: 8Sec for key action stop check
3. Buzzer on (pwm1)
3. buzzer...
Hi, I am using sdk 12.3.0 sd130v2. I have the hardfault_implementation.c included in the project. But I am not able to keep breakpoint anywhere in that file. I have made HARDFAULT_HANDLER_ENABLED...
I have initialized SPI0 master by this code:
static const nrf_drv_spi_t spi = NRF_DRV_SPI_INSTANCE(0);
...
nrf_drv_spi_config_t spi_config = NRF_DRV_SPI_DEFAULT_CONFIG;...
Recently I have been working with the serial bootloader from SDK 11. I can upload a softdevice, and supporting application using this bootloader without issue, as long as...
I started working on mesh 51 series ,
Points for which we need inputs
Data packet size for transmission
Process for association and address assigning during commissioning...
Hi,everyone
I am using S132 and SDK13 to set two peripheral links,now i want connect two centers using different connection parameters at the same time,for example,connect...
Hi,
Can the nRF52832 support higher data rates:
UART TX baud rate of more than 1Mbps, such as 3 Mbps without bitbanging.
TWI of 1MHz
any trick to get them...
Hi,
I recently purchased the NRF52 DK. I'm using the ble_uart_example for the SDK 11. I'm using the softdevice PCA10040.
I noticed the the SDK 11 includes the RTT c...
I want to use the nrf52840 with DCDC in high voltage mode to drive the circuite directly from a LI-ION battery.
Is there any reverse current protection built into the chip...
