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 am using PCA10028 and sdk 12.2.0. Now I have interfaced temperature sensor and I am storing 4000 readings from sample to flash. Once all the 4000 samples are stored...
When I enable DLE with a max MTU size of 247 (NRF_BLE_MAX_MTU_SIZE = 247) and PDU payload size of 251 (opt.gap_opt.ext_len.rxtx_max_pdu_payload_size = 251) and a max characteristic...
log.txt I have programmed my nRF smart beacon with example peripheral code with DK52. My beacon now flashes red. I am using the nordic sniffer to sniff ble packets in wireshark...
Hi,
I will be using ble_uart application code in my nRF52 Evaluation board. With nRF52 EVK I will be connecting external module over UART communication. I want to detect...
i am having trouble with pwm module 2. only two of the channels are working but not the third nor the fourth.
i tried pwm module 1 but im having the same problem there. i...
I'm currently working on an esb project using two nrf52832 chips wherein PTX regularly sends packets to PRX as a kind of heartbeat monitor. I can't seem to find what happens...
Hi,
I get the ble_app_att_mtu_throughput -example working with the coded PHY between two nRF52840 boards. Very nice, although I did not yet get the coded PHY advertising...
Looking at the ble_nus service, I see that the SoftDevice allows notifications to be more than 20 bytes long:
uint32_t ble_nus_string_send(ble_nus_t * p_nus, uint8_t *...
I'm try to use RTC1 to generate overflow interrupt, but it doesn't trigger interrupt.
void RTC1_IRQHandler(void)
{
// do something
}
main()
{
NRF_RTC1->TASKS_STOP...
Hi,
I'm using s132, sdk 12.1 on nrf52x, my question is about possible race condition when setting the value of a characteristic using sd_ble_gatts_value_set (on peripheral...
Hi,
I am working on a IoT based project with nRF52832 and nRF52840. I am looking for PCB Designers and people who can develop firmware for our project. The firmware development...
Hello, in S110 device's nrf_sdm.h, there is this enum "NRF_CLOCK_LFCLKSRCS" which is defined as:
enum NRF_CLOCK_LFCLKSRCS
{
NRF_CLOCK_LFCLKSRC_SYNTH_250_PPM, /**< LFCLK...
Hi..!
I am trying to ***Receive ACCELEROMETER DATA FROM MPU6050 to PCA10028(NRF51822) AND WANTING TO PRINT IT ONTO UART using KEIL IDE.
Code is getting compiled & getting...
HI.
I want to send data from nRF24L01 + to RF communication and receive it from nRF24LU1 +.
The nRF24L01 + is connected to the STM32. The settings are as follows.
...
Hi, I'm trying to build a bluetooth device that pairs once, and does not have other hosts maliciously or accidentally pair to it (which would create a poor experience for...
