RP2040

RP2040 is the debut micro controller from Raspberry Pi. It brings their signature values of high performance, low cost, and ease of use to the micro controller space. With a large on-chip memory, symmetric dual-core processor complex, deterministic bus fabric, and rich peripheral set augmented with our unique Programmable I/O (PIO) subsystem, RP2040 provides professional users with unrivaled power and flexibility. With detailed documentation, a polished Circuitpython port, and a UF2 boot loader in ROM, it has the lowest possible barrier to entry for beginner and hobbyist users

For more detailed information about the RP2040 you can visit here.

NFC

The PN7150 is a full featured NFC controller solution with integrated firmware and NCI interface designed for contactless communication at 13.56 MHz. It is fully compatible with NFC forum requirements and is greatly designed based on learnings from previous NXP NFC device generation. It is the ideal solution for rapidly integrating NFC technology in any application, especially small embedded systems reducing Bill of Material (BOM).

The integrated design with full NFC forum compliancy gives the user all the following features:

• Embedded NFC firmware providing all NFC protocols as pre-integrated feature.
• Direct connection to the main host or microcontroller, by I2C-bus physical and NCI protocol.
• Ultra-low power consumption in polling loop mode.
• Highly efficient integrated power management unit (PMU) allowing direct supply from a battery.

Other cool stuff on the board

It comes with a sturdy USB-C connector, a battery connector that allows you to plug in standard 1 cell LiPo batteries. It also has an on board charger chip that charges the battery whenever a USB cable is connected or 5V is applied to the USB power header pin.

NFC Antenna(Coil)

To support the board, we have designed an NFC antenna that is easily connected to the rear FPC connector.

You can read more about this antenna over here.