Laser card
About the Laser card PCB
Laser card is an open source PCB design by owhite, published on GitHub. It is a 4-layer board measuring 201.2 × 112.7 mm, with 52 components from 19 distinct parts.
Other key parts include the SN75172_LINE_DRIVER, SN75173_differential_line_receiver, 74LS14 and my_buck_boost-Regulator_Switching. By type, the board carries 16 resistors, 5 ICs, 5 diodes, 2 capacitors, 1 transistor and 1 relay.
From the project
files that sit in linuxcnc/config for the laser
Main components on the Laser card
Laser card bill of materials (BOM)
52 components, 19 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | SN75172_LINE_DRIVER | SOIC-20W_7.5x12.8mm_P1.27mm | U1 |
| 2 | SN75173_differential_line_receiver | SOIC-16_4.55x10.3mm_P1.27mm | U2, U3 |
| 1 | 74LS14 | SOIC-14_3.9x8.7mm_P1.27mm | U4 |
| 1 | my_buck_boost-Regulator_Switching | my_buck_boost | U5 |
| 1 | MBT2222ADW1T1 | SOT-363_SC-70-6 | Q1 |
| 4 | C | C_0805_2012Metric | 100_1, 100_2, 100_3, 100_4 |
| 4 | Conn_01x02 | PinHeader_1x02_P2.54mm_Vertical | E-STOP1, E-STOP2, E-STOP3, EXT_PWR1 |
| 8 | RJ45_Shielded | my_RJ45_Amphenol | ENC-X1, ENC-Y1, ENC-Z1, GP1, GP2, GP3, GP4, GP5 |
| 3 | molex | PinHeader_1x08_P2.54mm_Vertical | GECKO-X1, GECKO-Y1, GECKO-Z1 |
| 2 | Conn_02x25_Odd_Even | IDC-Header_2x25_P2.54mm_Vertical | IDC1, IDC2 |
| 1 | G6E | Relay_SPDT_Omron_G6E | K1 |
| 1 | Conn_01x03 | PinHeader_1x03_P2.54mm_Vertical | PWM_SEL1 |
| 2 | LED | LED_0805_2012Metric | D1, D2 |
| 1 | SM4003 | D_SOD-123F | D4 |
| 2 | BZT52Bxx | D_SOD-123 | D5, D6 |
| 2 | 10u | CP_Radial_D6.3mm_P2.50mm | C1, C2 |
| 2 | 10k | R_0805_2012Metric | R1, R2 |
| 4 | 1k | R_0805_2012Metric | R3, R4, R5, R12 |
| 10 | 2.7k | R_0805_2012Metric | R10, R11, R13, R14, R15, R16, R17, R18 +2 |
Laser card design files
The KiCad project lives in the owhite/LASER_ENVIROMENT repository on GitHub; these links point at the commit this page was built from.
Laser card: common questions
How big is the Laser card PCB?
The Laser card measures 201.2 × 112.7 mm, has 4 copper layers and is 1.6 mm thick.
How many components are on the Laser card?
52 components, from 19 distinct parts. The full bill of materials is listed on this page.
Where can I download the Laser card design files?
From the owhite/LASER_ENVIROMENT repository on GitHub, which has the KiCad layout; the links under Design files point to each one.
Can I use the Laser card design in my own project?
The repository has no license, so all rights stay with owhite. Use it as a reference, and ask the author before reusing the design.
