NFC Key Protects Your Data by Disconnecting Chips From Antenna
https://www.electronics-lab.com/nfc-key-protects-data-disconnecting-chips-antenna/
Cameron Coward @ blog.hackster.io writes: Like most connected technology these days, near-field communication (NFC) is susceptible to hacking. By its very nature, NFC is normally accessible by anyone nearby. NFC, as it was originally intended, is designed to provide data wirelessly to any nearby readers without requiring a power source of its own. Fortunately, N-O-D-E, […]
A multi-protocol SoC for ultra low-power wireless applications
https://www.electronics-lab.com/multi-protocol-soc-ultra-low-power-wireless-applications/
Author: Maurizio Di Paolo Emilio The nRF52840 SoC of Nordic Semiconductor is based on a 32-bit ARM Cortex-M4F CPU running at 64 MHz with flash and RAM integrated on chip. Ultra low-power wireless applications can use this advanced multi-protocol SoC with different communication protocols. The 2.4 GHz transceiver supports Bluetooth low energy (Bluetooth 5), 802.15.4, […]
MDBT42Q, nRF52832-based BLE module
https://www.electronics-lab.com/mdbt42q-nrf52832-based-ble-module/
The open hardware innovation platform Seeedstudio produces the MDBT42Q, a Bluetooth Low Energy (BLE) module. It is a BT 4.0, BT 4.1 and BT 4.2 module designed based on Nordic nRF52832 SoC, a powerful, highly flexible ultra-low power multiprotocol SoC ideally suited for Bluetooth low energy, ANT and 2.4GHz ultra low-power wireless applications. MDBT42Q features […]
Contactless payment ring – A tutorial on NFC antenna coil design
https://www.electronics-lab.com/contactless-payment-ring-a-tutorial-on-nfc-antenna-coil-design/
Jatinder has tipped us with this latest post. He writes: I have a done a video about a contactless payment (NFC) ring that I have made. The video talks about NFC antenna coil design and how I used the concepts to make the wearable ring. Contactless payment ring – A tutorial on NFC antenna coil […]