I would like to develop my own central device to communicate with the RedBear Arduino shield. The RB device uses a from of UART communications to send data to/from Android...
I was wanting to use a nRF24L01 with a breadboard but its pin-out didn't allow it. A solution then occurred to me based on parts at hand. I wrote it up with instructions and...
Hello. Can I get a literature to the nRF51 series?
I need a full abstraction of the nRF51, like a book or other information, it's structure schematic of build-in modules...
hts, HTC phone, nrf tools HTM, nrf51822,
every time when it's power up :
the once connect: error code 0x7A cann't read characteristic and 0x14 state change.
the second...
Our company needs wireless temperature sensors (can be externally powered or battery operated) and transceiver with 4 channel analog outputs. It has to be finished product...
I am toggling Value of slave through a button on nrf51822ek .This Value is displayed on MCP of dongle, but i have to get this value on terminal to send it to pi then through...
Hello, I am tryong to use to masters to communicate with two accelerometers.
Q1_ I found the following image from Nordic's website that shows SPI0 pins but there is no indication...
While analyzing the current consumption of my nRF52832 Dev Kit I noticed that the system on low power current was significantly higher than expected. To further investigate...
i have connected the swdio , swclk , vcc , gnd , reset with the respective pins of the nrf52SDK ,but when am debug the nrf52sdk , am getting the following error.
ERROR...
Hi all,
I am testing out the BLE_APP_UART example on a NRF52DK and I am using SDK13.0 (PCA10040, S132).
I have change the app advert timeout to be 10 seconds.
I am...
I am trying to combine both the SAADC and BLE libraries to be able to read a value from my sensor on the analog pin and then send it over Bluetooth LE to a central dongle...
I plan to merge the protocol sack and the application. At the same time download in batch to 52832 by using the SWD. But the tool(nRFgo Studio) offered officially is not fit...
Using existing examples in SDK13, I prepared ADC sampling app which works fine in ESB TX mode. Works well sending frames at 10ksps, and I can also put it to 'standby mode...
Hello! I have to connect some microphones (adafruit MAX9814) to a nrf52 board and I have to choose some beacons. My idea is to have a tiny solar panel that charges a capacitor...
I have a custom nrf52832 board. I have changed the UART TX and RX pins to P0.3 and P0.4 respectively. If the pins are floating, then nrf52832 stops advertising,If something...
I use example ble_app_hrs_pca10040_s132 with SDK12.2.0 to test bonding function.It works as a server and it is bound by client. But I fail to bond. It seems that example has...
Hello,
I try to declare two instrances of TWI0 and SPI1, and I include the both sdk_config (sdk_config_spi and sdk_config_twi) in the same file, but I always get the error...
Hi,
We designed the circuit followed the reference circuit(QFN48), but we always failed in the 8kv ESD test.The CPU always reset while ESD testing.
The 8kv ESD power...
I'm trying to get the PPK working on my Windows 64 bit machine and with nrf52 DK.
The console will not show up and I'm trying to program the PPK with the "flash_ppk.py...
Hello, I encountered some difficulties, please help answer the following questions, thanks!
I plan to merge the protocol sack and the application. At the same time download...
Hi!
I am on a project of usb dongle.I programed the dongle and lost the bootloader pre-programed in the factory.And I have a SPI downloader,I want to download the bootloader...
Does anybody got an app inventor2 "project" to communicate with the (Adafruit) Bluefruit LE UART (or SPI) ?
Note: my Android version is 4.4.2 (LE "advertising" not supported...