Lpcsaur
About the Lpcsaur PCB
Lpcsaur is an open source NXP PCB design by bullestock, published on GitHub. It is a 4-layer board measuring 100 × 100 mm, with 145 components from 66 distinct parts.
Its main chip is the LPC1768_TQFP100, from the NXP family. Other key parts include the 74LV11, 74LV10, 74HCT08, 74LVC07 and LM1117-3.3. By type, the board carries 46 resistors, 37 capacitors, 29 connectors, 11 LEDs, 7 ICs and 4 transistors.
Main components on the Lpcsaur
Lpcsaur bill of materials (BOM)
145 components, 66 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | 74LV11 | SOIC-14_N | IC1 |
| 1 | 74LV10 | SSOP-14 | IC2 |
| 1 | 74HCT08 | SOIC-14_N | IC3 |
| 2 | 74LVC07 | SOIC-14_N | IC4, IC5 |
| 1 | LM1117-3.3 | SOT-223 | IC6 |
| 1 | LPC1768_TQFP100 | TQFP-100_14x14mm_Pitch0.5mm | IC7 |
| 2 | ZXMN4A06 | SOT-223-3 | Q1, Q2 |
| 2 | BSL207SP | TSOP-6-DGS | Q3, Q4 |
| 1 | 12 MHz | CrystalSmd2.5x3.2 | X1 |
| 1 | X1 | JST_PH_B2B-PH-K_02x2.00mm_Straight | J1 |
| 1 | X2 | JST_PH_B2B-PH-K_02x2.00mm_Straight | J2 |
| 1 | Y1 | JST_PH_B2B-PH-K_02x2.00mm_Straight | J3 |
| 1 | Y2 | JST_PH_B2B-PH-K_02x2.00mm_Straight | J4 |
| 1 | Z1 | JST_PH_B2B-PH-K_02x2.00mm_Straight | J5 |
| 1 | Z2 | JST_PH_B2B-PH-K_02x2.00mm_Straight | J6 |
| 1 | DOOR1 | JST_PH_B4B-PH-K_04x2.00mm_Straight | J7 |
| 1 | DOOR2 | JST_PH_B4B-PH-K_04x2.00mm_Straight | J8 |
| 1 | E-STOP | JST_PH_B4B-PH-K_04x2.00mm_Straight | J9 |
| 1 | LASER | JST_PH_B4B-PH-K_04x2.00mm_Straight | J10 |
| 1 | Motor X | JST_PH_B3B-PH-K_03x2.00mm_Straight | J11 |
Show 46 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | Motor Y | JST_PH_B3B-PH-K_03x2.00mm_Straight | J12 |
| 1 | Motor Z | JST_PH_B3B-PH-K_03x2.00mm_Straight | J13 |
| 1 | Motor AUX | JST_PH_B3B-PH-K_03x2.00mm_Straight | J14 |
| 1 | SSR | JST_PH_B3B-PH-K_03x2.00mm_Straight | J15 |
| 1 | SSR AUX | JST_PH_B3B-PH-K_03x2.00mm_Straight | J16 |
| 1 | RELAY1 | JST_PH_B2B-PH-K_02x2.00mm_Straight | J17 |
| 2 | V-SELECT | Socket_Strip_Straight_1x03 | J18, J20 |
| 1 | RELAY2 | JST_PH_B2B-PH-K_02x2.00mm_Straight | J19 |
| 1 | USB_B | USB_B | J21 |
| 1 | RGB LED | JST_PH_B3B-PH-K_03x2.00mm_Straight | J22 |
| 1 | SERIAL | JST_PH_B4B-PH-K_04x2.00mm_Straight | J23 |
| 1 | 5V IN | TerminalBlock_WAGO-804_RM5mm_2pol | J24 |
| 1 | 12V IN | TerminalBlock_WAGO-804_RM5mm_2pol | J25 |
| 1 | 24V IN | TerminalBlock_WAGO-804_RM5mm_2pol | J26 |
| 1 | AUX I/O | JST_PH_B10B-PH-K_10x2.00mm_Straight | J27 |
| 1 | CHILLER | JST_PH_B2B-PH-K_02x2.00mm_Straight | J28 |
| 1 | MICRO-SD | Conn_uSDcard | J29 |
| 1 | LOGO | dino | G1 |
| 2 | SW_PUSH | TactileSwitch | SW1, SW3 |
| 1 | SW_PUSH | TactileSwitchUpright | SW2 |
| 1 | TEST_1P | TP_0805 | W1 |
| 4 | LED | LED_0603 | LED1, LED2, LED3, LED4 |
| 1 | Door | LED_0603 | LED5 |
| 1 | Switches | LED_0603 | LED6 |
| 1 | Disable | LED_0603 | LED7 |
| 1 | Play | LED_0603 | LED8 |
| 1 | 3V3 | LED_0603 | LED9 |
| 1 | SSR1 | LED_0603 | LED10 |
| 1 | SSR2 | LED_0603 | LED11 |
| 2 | 1N5822 | DO-214AB | D1, D2 |
| 2 | MBRA210LT3 | SMA_Standard | D3, D4 |
| 1 | 39 nH | R_0603 | L1 |
| 19 | 100n | C_0805 | C1, C2, C3, C4, C5, C6, C7, C8 +11 |
| 4 | 10u | TantalC_SizeD_EIA-7343_Reflow | C16, C17, C28, C33 |
| 2 | 18p | C_0603 | C18, C19 |
| 8 | 100n | C_0603_HandSoldering | C20, C21, C22, C23, C24, C25, C26, C27 |
| 2 | 100u | c_elec_6.3x7.7 | C34, C35 |
| 2 | 12p | C_0603 | C36, C37 |
| 19 | 1K | R_0603 | R1, R2, R3, R4, R5, R6, R7, R8 +11 |
| 11 | 5K6 | R_0603 | R9, R10, R11, R12, R13, R14, R15, R16 +3 |
| 2 | 100 | R_0603 | R17, R18 |
| 1 | 680 | R_0603 | R19 |
| 8 | 10K | R_0603 | R24, R27, R38, R39, R40, R42, R43, R44 |
| 2 | 22 | R_0603 | R25, R28 |
| 2 | 33 | R_0603 | R30, R31 |
| 1 | 1K5 | R_0603 | R32 |
Lpcsaur design files
The KiCad project lives in the bullestock/lasersaur repository on GitHub; these links point at the commit this page was built from.
Lpcsaur: common questions
What microcontroller does the Lpcsaur use?
The Lpcsaur is built around the LPC1768_TQFP100, from the NXP family.
How big is the Lpcsaur PCB?
The Lpcsaur measures 100 × 100 mm, has 4 copper layers and is 1.6 mm thick.
How many components are on the Lpcsaur?
145 components, from 66 distinct parts. The full bill of materials is listed on this page.
Where can I download the Lpcsaur design files?
From the bullestock/lasersaur repository on GitHub, which has the KiCad layout; the links under Design files point to each one.
Can I use the Lpcsaur design in my own project?
The repository has no license, so all rights stay with bullestock. Use it as a reference, and ask the author before reusing the design.
Can I test firmware for the Lpcsaur without the hardware?
Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug NXP firmware against it before you order a PCB.
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