Counter
About the Counter PCB
Counter is an open source PCB design by Hal9k-dk, published on GitHub. It is a 2-layer board measuring 82 × 32.4 mm, with 22 components from 17 distinct parts.
Other key parts include the 74HCT08. By type, the board carries 7 connectors, 6 resistors, 4 diodes, 2 capacitors, 1 IC and 1 transistor.
From the project
Everything related to the Lasersaur
Main components on the Counter
Counter bill of materials (BOM)
22 components, 17 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | 74HCT08 | SOIC-14_3.9x8.7mm_P1.27mm | U1 |
| 1 | MMBT3904 | SOT-23 | Q1 |
| 3 | Conn_01x01 | Pin_D1.0mm_L10.0mm | J1, J2, J3 |
| 1 | 0.2" | TerminalBlock_bornier-6_P5.08mm | J4 |
| 1 | 0.2" | TerminalBlock_bornier-2_P5.08mm | J5 |
| 1 | JST XH | JST_XH_B05B-XH-A_1x05_P2.50mm_Vertical | J6 |
| 1 | 0.2" | TerminalBlock_Altech_AK300-3_P5.00mm | J7 |
| 1 | RELAY_DIL16 | DIP-16_Relay | RLY1 |
| 2 | 1N4148 | D_MiniMELF | D1, D4 |
| 2 | LED | LED_D5.0mm_Horizontal_O1.27mm_Z3.0mm | D2, D3 |
| 1 | 10u | C_0805_2012Metric | C1 |
| 1 | 100u | CP_EIA-7343-40_Kemet-Y | C2 |
| 1 | 100 | R_0603_1608Metric | R1 |
| 1 | 1M | R_0603_1608Metric | R2 |
| 1 | 1k | R_0603_1608Metric | R3 |
| 1 | 100k | R_0603_1608Metric | R4 |
| 2 | 820 | R_0603_1608Metric | R5, R6 |
Counter design files
The KiCad project lives in the Hal9k-dk/lasersaur repository on GitHub; these links point at the commit this page was built from.
- Layoutpcb/counter/counter.kicad_pcb
- Schematicpcb/counter/counter.kicad_sch
Counter: common questions
How big is the Counter PCB?
The Counter measures 82 × 32.4 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Counter?
22 components, from 17 distinct parts. The full bill of materials is listed on this page.
Where can I download the Counter design files?
From the Hal9k-dk/lasersaur repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the Counter design in my own project?
The repository has no license, so all rights stay with Hal9k-dk. Use it as a reference, and ask the author before reusing the design.
