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 a beginner. Just bougth a nRF51 DK but have not received it yet.
My second question of the day, very related to my first one, but thoutgh they were different...
Hello, beginner here. :)
I just bought an nRF51 DK, but have not received it yet.
I decided to test it because my older BLE module (HM-11) only allowed me to scan beacons...
Hello.
I installed all of relevant software tools and compiled blinky_example with nRF51822 Dev B/D.
Unluckily, build result is like below.
._build\blinky_arm.axf:...
I have built an application using SD120 v2.1.0. The app runs fines from 0x1d000. When I run an own bootloader (RS485, no need of interrupts or SD120, no pstorage functions...
Hello, My question is that in sleep mode my nrf51822 current consumption is 0.98mA, with only GPIOTE enable, however when I disable it, the current falls to 13uA, but the...
Can anybody explain me step by step how to set an Timer interrupt with blinky LED sample code, since i am new in Coding. I am using nRF51_SDK_8.0.0_5fc2c3a/ timer example...
Hello--
On my Mac OSX system, an nRF51 DK loaded with the HID mouse example doesn't list as a mouse device (no mouse icon listed in the OS) when I start advertising. Instead...
I am working with the BBC on the Microbit project. bluetooth nRF51822 has an ARM Cortex -M4F CPU which is MUCH more powerful than the ARM Cortex M0 being used as CPU. Is it...
Since it appears that version 1.20 is broken and useless, does anyone know where to get an earlier version for 64-bit machines? A co-worker has 1.17 for 32-bit but it refuses...
Hi, I just got my nrf51 DK, I compiled the BLE_URIBeacon example from mbed and downloaded the hex file, 361.2KB. I pushed the RESET button and connected the USB cable to my...
Hi
I use an avr attiny441 with the nRF24AP2. Communication is over SPI byte flow. After start up, I get the start-up-message from nRF24AP2. That's fine. Afterwards, when...
Hi all,
I tried to implement a software ACK between two NRF24LE1 devices, but failed.
In my tick_interrupt_ISR, I send a frame from device_A to device_B, and I want to...
I would like to start a pwm signal on PIN 15 while BUTTON_1 or BUTTON_2 is pressed. If BUTTON_1 or BUTTON_2 is released, than there should be no signal(low) on PIN 15.
...
I have built an application using S120 v2.1.0. The app runs fines from 0x1d000. When I run an own bootloader (RS485, no need of interrupts or S120, no pstorage functions,...
