PIC18F4550
cristobalcuevas·PCB-Designs·PIC18F4550/PIC18F4550.kicad_pcb
About the PIC18F4550 PCB
PIC18F4550 is an open source PIC PCB design by cristobalcuevas, published on GitHub. It is a 2-layer board measuring 100 × 70 mm, with 33 components from 27 distinct parts.
Its main chip is the PIC18F4550-IP, from the PIC family. Other key parts include the L7805. By type, the board carries 11 connectors, 7 resistors, 6 capacitors, 4 diodes, 2 ICs and 1 transistor.
It belongs with the dev boards & breakouts designs in this gallery.
From the project
Projects with Kicad

Main components on the PIC18F4550
PIC18F4550 bill of materials (BOM)
33 components, 27 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | PIC18F4550-IP | DIP-40_W15.24mm | U1 |
| 1 | L7805 | TO-220-3_Vertical | U2 |
| 1 | 2N3906 | TO-92_Inline | Q1 |
| 1 | 20MHz | Crystal_HC50_Vertical | Y1 |
| 1 | PORT_D | PinSocket_1x08_P2.54mm_Vertical | J1 |
| 1 | PORT_A | PinSocket_1x07_P2.54mm_Vertical | J2 |
| 1 | PORT_E | PinSocket_1x03_P2.54mm_Vertical | J3 |
| 1 | PORT_B | PinSocket_1x08_P2.54mm_Vertical | J4 |
| 1 | PORT_C | PinSocket_1x07_P2.54mm_Vertical | J5 |
| 1 | GND | PinSocket_1x03_P2.54mm_Vertical | J6 |
| 1 | VOL | PinSocket_1x03_P2.54mm_Vertical | J7 |
| 1 | VOLT | PinHeader_1x03_P2.54mm_Vertical | J8 |
| 1 | JACK | BarrelJack_Horizontal | J9 |
| 1 | USB_B | USB_B_OST_USB-B1HSxx_Horizontal | J10 |
| 1 | PICKIT | PinHeader_1x06_P2.54mm_Vertical | J11 |
| 1 | SW | SW_PUSH_6mm | SW1 |
| 2 | LED | LED_D5.0mm | D1, D4 |
| 2 | 1N4148 | D_DO-35_SOD27_P7.62mm_Horizontal | D2, D3 |
| 1 | 47u | CP_Radial_D6.3mm_P2.50mm | C1 |
| 2 | 15p | C_Disc_D3.8mm_W2.6mm_P2.50mm | C2, C3 |
Show 7 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | 100n | C_Disc_D3.8mm_W2.6mm_P2.50mm | C4 |
| 1 | 220u | CP_Radial_D10.0mm_P2.50mm | C5 |
| 1 | 330n | C_Disc_D3.8mm_W2.6mm_P2.50mm | C6 |
| 3 | 10k | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R1, R3, R6 |
| 1 | 330 | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R2 |
| 2 | 5.6k | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R4, R5 |
| 1 | 470 | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R7 |
PIC18F4550 design files
The KiCad project lives in the cristobalcuevas/PCB-Designs repository on GitHub; these links point at the commit this page was built from.
PIC18F4550: common questions
What microcontroller does the PIC18F4550 use?
The PIC18F4550 is built around the PIC18F4550-IP, from the PIC family.
How big is the PIC18F4550 PCB?
The PIC18F4550 measures 100 × 70 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the PIC18F4550?
33 components, from 27 distinct parts. The full bill of materials is listed on this page.
Where can I download the PIC18F4550 design files?
From the cristobalcuevas/PCB-Designs repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the PIC18F4550 design in my own project?
The repository has no license, so all rights stay with cristobalcuevas. Use it as a reference, and ask the author before reusing the design.
Can I test firmware for the PIC18F4550 without the hardware?
Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug PIC firmware against it before you order a PCB.
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