HardLabs

Nfc sense coin

unsurv·NFC_temp·hardware/nfc_sense_coin/nfc_sense_coin.kicad_pcb

Nfc sense coin PCB layout, top view — open source AVR/Arduino board by unsurv

About the Nfc sense coin PCB

Nfc sense coin is an open source AVR/Arduino PCB design by unsurv, published on GitHub. It is a 4-layer board measuring 23.3 × 26.4 mm, with 15 components from 12 distinct parts.

Its main chip is the ATtiny1626-MFR, from the AVR/Arduino family. Other key parts include the TMP117AIDRVR and RF430CL330HIRGTR‎. By type, the board carries 7 capacitors, 3 ICs, 2 diodes, 2 resistors and 1 antenna.

It belongs with the sensors designs in this gallery.

From the project

passive temperature NFC tag

Main components on the Nfc sense coin

TMP117AIDRVRRF430CL330HIRGTR‎ATtiny1626-MFR

Nfc sense coin bill of materials (BOM)

15 components, 12 distinct parts.

QtyPartRefs
1
TMP117AIDRVR
Texas Instruments
U1
1
RF430CL330HIRGTR‎
U2
1
ATtiny1626-MFR
U3
1
Antenna_Dipole
AE1
2
CDBU0130L
D1, D2
1
1 uF
C1
2
0.1 uF
C2, C8
1
0.1 uF
C3
1
0.47 uF
C5
1
298W107X0004M2T
100uF
C6
1
1uf
C7
2
4.7k
R1, R2

Nfc sense coin design files

The KiCad project lives in the unsurv/NFC_temp repository on GitHub; these links point at the commit this page was built from.

Nfc sense coin: common questions

What microcontroller does the Nfc sense coin use?

The Nfc sense coin is built around the ATtiny1626-MFR, from the AVR/Arduino family.

How big is the Nfc sense coin PCB?

The Nfc sense coin measures 23.3 × 26.4 mm, has 4 copper layers and is 0.786 mm thick.

How many components are on the Nfc sense coin?

15 components, from 12 distinct parts. The full bill of materials is listed on this page.

Where can I download the Nfc sense coin design files?

From the unsurv/NFC_temp repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the Nfc sense coin design in my own project?

The repository has no license, so all rights stay with unsurv. Use it as a reference, and ask the author before reusing the design.

Can I test firmware for the Nfc sense coin without the hardware?

Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug AVR/Arduino firmware against it before you order a PCB.

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