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...
Hi, I would like to control 2 LEDs independantly with the same server node. Should I try to [1] add a element with the same simple on/off model in that server node OR [2]...
Hi,
I'm running an ADC sampling every 8msec, sampling the output value of an op-amp as well as a reference voltage. I subtract the two in firmware. I was implementing the...
Hello,
I am using SPI interface to communicate with a sensor BMI160, looking into the driver for BMI160 I can see how the low level functions for reading/writting are used...
Hi,
i am trying to upload the code to BLE 400 from waveshare from nrfGo by getting the hex file from this library
While Trying to upload the code i am getting the following...
onkey_full_20170814.hex
onkey_0000.hex
onkey_boot_s132.hex
This time 14.0 sdk was updated.
There was a problem after the update
Problems when uploading bootloader...
Hi,
I am using SDK v12.2 and gcc compiler. S132 softdevice for nrf51 controller.
I am using muliple nrf51 devices to connect each other and share sensor data with each...
I'm using a pin for trigger switch input with the following codes
nrf_drv_gpiote_in_config_t in_config = GPIOTE_CONFIG_IN_SENSE_HITOLO(true);
in_config.pull = NRF_GPIO_PIN_PULLUP;...
Hi,
I would like send serial data in both directions (like by RS-232) between BMD-300 Evaluation Kit and BLED112 dongle.
I'm a beginner on this subject, so I'll ask...
Hi,
i am working on custom nrf52 board which is operating by Li battery of 3.7v 27mAh battery. now the battery is dead i didnt find 27mAh batteries in the market near to...
Hello there,
I am working with a peripheral device that we are testing with many different devices, and have run into a very unusual issue. With a brand new Android tablet...
Hii all,
I'm working on a project that device will have both central and peripheral capabilities so we are using s130. I tested my application with 2 central links and...
I have installed and un-installed all the required components to run the dev kit with eclipse. As everyone knows this is complicated because there are multiple sources of...
Hello!
I'm from a small company located in Austria. We are in the smart lock business and at the moment working on passing the CE certification with our newest hardware...
Hello All,
I am designing one custom board where i want to Handle the LEDS, Like in Nrf51DK when we connect through UART_APP from smartphone blinking LED1 on DK gets constant...
