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 am following the tutorial using Raspberry Pi Kernel version 3.18, but after the step 7, the raspberry gets frozen with the colorful image in the beginning of the boot...
Hello,
we want to establish a UART communication between the Dynastream N548M8CB Module and a TI Mikrocontroller. I have tested the UART loopback example with the pca10028...
In the data sheet of SHT21 is this the formula to calculate the temperature:
T = -46.85 + 175.72 * temp_data / 2^16
temp_data has the value 26'464.
The result should...
Hi,
I'm trying to define a new service, and on the GAP settings, I would like to advertise my service, but I get an error message: advertisement packet too long.
What...
I have a temperature/humidity sensor from Sensirion. The Type is SHT21x. The sensor has I2C so it should be able to tranfer the data from the sensor to the Nordic chip over...
Hi,
I am attempting to get the ble_app_beacon example working with the s130 softdevice instead of the s110. I am using armgcc and the v8 sdk softdevice headers on a pca10031...
Hello, I have inherited a project from a departed employee. I have a requirement (based on a stated desire from her to my project manager) to "bring the SDK and/or SoftDevice...
Hi,
I am using the nRF24L01+ evaluation kit in a project. Through the EV KIT software I am able to configure the nRF module in receiver mode. I can even see LED 2 light...
Hello,
I am trying to modify the ble_app_uart example from the S110 to the s310 softdevice. I am using the project from nRF51_SDK_8.0.0_5fc2c3a.
I modified the Paths...
Hi,
We are planning to design a custom based on nrf51822 with 1.8v power supply. we just want to know is there any restriction towards accessing peripherals on chip like...
I don't understand how the numbers in the nrf_pwm_init are calculated. Specifically these:
case PWM_MODE_LED_100: // 0-100 resolution, 321Hz PWM frequency, 32kHz timer...
I'm trying to repeatedly toggle a GPIOTE on every CC[0] compare within the time period set by CC[1]. CC[1] runs multiple times. Every time CC[1] is reached I want to stop...
Hi! I am looking into your products, and wonder how the workflow is.
Let's say I get the nRF51 DK to develop something reading from a sensor and sending data.
The DK provides...
Hi,
Through this post I got an updated bootloader for the nRF51822 128Kb chip version:
devzone.nordicsemi.com/.../
After the last update of the iOS nRF Toolboox Version...
