DIY Arduino clone done in KiCad.

You will need to build a FTDI breakout board using a FT231XQ QFN20 chip with a pinout matching the FT231XS (SSOP-20), but in a DIP-20 spacing. It is all downhill from there!

• 1 ea., DIY Arduino PCB from kicad.pcb file.
• 1 ea., FT231x breakout PCB from kicad.pcb file.
• 1 ea., U1 L7805CV IC REG LINEAR 5V 1.5A TO220AB, https://www.digikey.com/short/jn9qzp
• 1 ea., U2 FT231XQ 20QFN, https://www.digikey.com/short/jn57wn
• 1 ea., U3 SN74LS125AN, IC BUF NON-INVERT 5.25V 14DIP, https://www.digikey.com/short/jn973j
• 1 ea., U4 MCP1700-3302E/TO IC REG LINEAR 3.3V 250MA TO92-3, https://www.digikey.com/short/jn9q57
• 1 ea., U5 Atmega328P-PU https://www.digikey.com/short/jn57wj
• 1 ea., Y1 CER RES 16.0000MHZ 30PF T/H, ECS ZTT-16.00MX, https://www.digikey.com/short/jn9pjv
• 1 ea., C1 0.33uF 50V electrolytic Capacitor 2.5mm lead spacing, Nichicon UMT1HR33MDD1TP, https://www.digikey.com/short/jddb2h
• 4 ea., C2 - 5 CAP CER 0.1UF 25V Y5V RADIAL 2.5mm lead spacing, Vishay K104Z15Y5VE5TL2, https://www.digikey.com/short/jn9pm2
• 3 ea., C6 - 8 CAP CER 1UF 25V X7R RADIAL 5mm lead spacing, TDK FG28X7R1E105KRT06, https://www.digikey.com/short/jn9p97
• 1 ea., R1 4K7 Ohm Resistors 1/4 W 5%, https://www.digikey.com/short/jn5tmq
• 2 ea., R2, R13 1K Ohm Resistors 1/4 W 5%, https://www.digikey.com/short/jn5t4d
• 2 ea., R3 - 4 470 Ohm Resistors 1/4 W 5%, https://www.digikey.com/short/jn5tmp
• 2 ea., R5 - 6 22 Ohm Resistors 1/4 W 5%, https://www.digikey.com/short/jd0wcj
• 2 ea., R7 - 8 10K Resistors 1/4 W 5%, https://www.digikey.com/short/jn5t41
• 1 ea., D1 DIODE SCHOTTKY 40V 2A DO15, SMC SB240TA, https://www.digikey.com/short/jn57cv
• 1 ea., D2 (Power) Green 3mm LED 5.6mcd, LiteOn LTL-4231N https://www.digikey.com/short/jn5tr0
• 1 ea., D13 (D13) Red 3mm LED 4.4mcd, LiteOn LTL-4211N, https://www.digikey.com/short/jn5trr
• 2 ea., D3, D4 (TX/RX) Yellow 3mm LED 6.7mcd, LiteOn LTL-4251, https://www.digikey.com/short/jn5t5f
• 1 ea., F1 PTC RESET FUSE 30V 700MA RADIAL, Littlefuse RHEF070-2, https://www.digikey.com/short/pq0mtz
• 1 ea., J1 USB B Connector, Pulse E8144-B02022-L, https://www.digikey.com/short/jn571j
• 1 ea., J2 Barrel Jack 2.1mm, CUI PJ-202AH https://www.digikey.com/short/jd0wz3
• 2 ea., P1, P3 8-Pin header, https://www.digikey.com/short/jwj4dp
• 1 ea., P2 6-Pin header, https://www.digikey.com/short/jwj4w4
• 1 ea., P3 10-Pin header, https://www.digikey.com/short/jwj4n7
• 4 ea., Rubber feet, https://www.digikey.com/short/jntvm1 or https://www.digikey.com/short/jntvbz
• 1 ea., Pinheader, S1012EC-40-ND, https://www.digikey.com/short/7382z2
• 1 ea., CONN JUMPER SHORTING .100" GOLD, Sullins NPC02SXON-RC, https://www.digikey.com/short/jn5t0j
• 1 ea., 28 Pin socket, On Shore ED281DT, https://www.digikey.com/short/jn5tz5
• 1 ea., 20 Pin socket, On Shore ED20DT, https://www.digikey.com/short/jn5tzm
• 1 ea., 14 Pin socket, On Shore ED14DT, https://www.digikey.com/short/jn5tp1

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