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...
Hey folks,
I'm trying to modify the SPI Master loop back example into a 4 line SPI Master_Slave program. Whenever I change the Tx_Buffer_lenght from 10 to lsome other numbers...
I am working on creating a Bluetooth Mesh network using the BGM220P as a sensor node. My goal is to send sensor data (e.g., temperature) from the BGM220P and have it received...
Hi
I am having some issues flashing the modem firmware to a custom board using the nrf9151 SiP.
I can, with no issues, flash programs to the chip, but when i want to...
Hi.
I'm playing with an scenario based on two nrf52840dk and a dongle.
I have deployed a OTBR on a Linux Ubuntu22.04 and flashed the dk with OT COAP Server and Client...
After a lot of help, I've managed to get a central_uart with custom UUIDs going. After stripping out as much unwanted code and callback functions as possible, moving UART...
Hi,
I am new in Device tree concept. I am trying to operate a buzzer via PWM.
In our board, the buzzer is connected in GPIO 3.
I changed a segment in file nrf52dk_nrf52832...
Hello,
At the moment I have a correctly working Azure IOT hub connection.
DPS works, device twin configurations works and transmitting data to the hub is also no problem...
Hi All I started on the fundamental course in the academy. I did everything by the letter in lesson 1 / exercise 1 Yet when I plugged in my 52840 devkit I could no load the...
Hello,
I am working on a project involving the nRF54L15dk and need to connect a peripheral's reset pin to the reset functionality of the DK. However, I noticed that the...
This is heavily processed code just to show what I'm doing with discovery: I can see that first time I call for discovery I get BT_GATT_DISCOVER_PRIMARY cnt_3 = 3. Then I...
I discovered this chipset and have found a dev board on eBay for $37. Is it worth it to tinker with? I have the 2.8 version of the toolchain. And Sdk. On vs code.
I have...
Why are RADIO_MODE_MODE_Ble_LR125Kbit , RADIO_MODE_MODE_Ble_LR500Kbit and RADIO_MODE_MODE_Ieee802154_250Kbit not supported in the ESB routines? If I want to use these configurations...
Hi,
I'm working on a project where I want two units to be able to wirelessly send packets to each other whenever they need to. Sometimes only one of the two units may be...
If I initialize the IPC and then turn on the bt_enable, it will lead to the status quo in Figure 2, what is the reason?
If I block k_sem_take (&bound_sem, K_FOREVER) and...