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...
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...
Hi,
Is there any software I2c library or example projects for nRF52 devices (PCA10400) with pin configuration, read and write functions? I am using an SMBus based sensor...
Hello,
I am testing the ble_peripheral example of ble_app_uart (SDK 12, soft device 130), this has been asked at a lot of places that the MTU is limited to 20.
But then...
Hi,
I am using nRF51822 and implemented timer-2 with 2 sec capture/compare interrupt rate. But if I want to read timer's current count before it generates interrupt or...
at nRF51 SDK v9.0.0, S130, PCA10040, at peripheral side
If we receive a characteristics less than 20 bytes, we can get the correct handle value(like 0x3B). And then everything...
I bought nRF51-DK yesterday.
I installed nRFgo Studio(1.20), Keil uVision(5.15), Softdevice s110 (8.0.0), J-Link(5.00),
nRF51 MDK(7.2.1)
I turned on the nRFgo studio...
Hi,
I'm using Eclipse Mars 5.2 on Windows 10 along with the GNU Toolchain as described in the "Development with GCC and Eclipse Tutorial" by Vidar Berg (Thanks very much...
Hi, I can't get SPI slave mode working on nRF51822. I'm using the Core51822 module with a BLE400 board from Waveshare and up to date mbed. SPISlave::receive() always returns...
I implement it with sdk 11.0 and a third party core-board.Firstly,I program s132_nrf52_2.0.1 SoftDevice by nRFgo Studio,then I open ble_app_hrs s132_with_dfu(arm4) project...
Hi,
Currently I'm using internal RC osciallator for LFCLK on the system that run on CMSIS-RTX and Softdevice S110 and it doesn't have external 32K crystal.
The RTC os...
Hello,
I just received an NRF52DK today. I was able to run the demo (LED blink/Switch and NFC) which comes factory installed. But copying the hex files from demo (proximity...
In the picture, the usb pcb is PCA10000, the circle PCB is the product PCB.
The diameter is 20mm.
Chip antenna is used now but the distance is 5m in 4dbm TX.
Here...
Hi all,
I would like to design a product based on the nRF52832 chip. The board should have an accelerometer, a charging circuitry for a LiPo and some additional components...
Hi there,
I am done with TI and the new IDE and Stack 2.2
May be anybody can point me to the right IDE and chip to replace my TI CC2640 4x4 designs to Nordic semiconductor...