HX-board
About the HX-board
HX-board is an open source PCB design by calstar, published on GitHub under the CC0-1.0 license. It is a 2-layer board measuring 63.5 × 72.3 mm, with 101 components from 18 distinct parts.
Other key parts include the HX711. By type, the board carries 48 resistors, 32 capacitors, 8 ICs, 8 transistors and 5 connectors.
Main components on the HX-board
HX-board bill of materials (BOM)
101 components, 18 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 8 | HX711 | SOP-16_3.9x9.9mm_P1.27mm | U1, U2, U3, U4, U5, U6, U7, U8 |
| 8 | MMBT4403LT3G | SOT-23 | Q1, Q2, Q3, Q4, Q5, Q6, Q7, Q8 |
| 2 | Testpoints | PinHeader_1x15_P1.27mm_Vertical | J1, J4 |
| 1 | PCIE-LP-01-01-F-DV-A-TR | BUS_PCIexpress_x1 | J2 |
| 2 | DB15_Female | DSUB_622-015-260-042 | J3, J5 |
| 16 | 10uF | C_0603_1608Metric | C1, C2, C5, C6, C9, C10, C13, C14 +8 |
| 16 | 0.1uF | C_0603_1608Metric | C3, C4, C7, C8, C11, C12, C15, C16 +8 |
| 3 | 100 2kΩ | R_0603_1608Metric | R1, R9, R13 |
| 2 | 10K 2kΩ | R_0603_1608Metric | R2, R14 |
| 3 | 2kΩ | R_0603_1608Metric | R3, R7, R8 |
| 5 | 100kΩ | R_0603_1608Metric | R4, R11, R12, R15, R16 |
| 1 | 100 100kΩ | R_0603_1608Metric | R5 |
| 2 | 10K 100kΩ | R_0603_1608Metric | R6, R10 |
| 6 | 100 20kΩ | R_0603_1608Metric | R17, R21, R25, R29, R33, R37 |
| 6 | 10K 8.2kΩ | R_0603_1608Metric | R18, R22, R26, R30, R34, R38 |
| 16 | 100Ω | R_0603_1608Metric | R19, R20, R23, R24, R27, R28, R31, R32 +8 |
| 2 | 20kΩ | R_0603_1608Metric | R41, R45 |
| 2 | 8.2kΩ | R_0603_1608Metric | R42, R46 |
HX-board design files
The KiCad project lives in the calstar/le2-pcb-hardware repository on GitHub; these links point at the commit this page was built from.
HX-board: common questions
How big is the HX-board?
The HX-board measures 63.5 × 72.3 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the HX-board?
101 components, from 18 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.
Where can I download the HX-board design files?
From the calstar/le2-pcb-hardware repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.
Can I use the HX-board design in my own project?
Yes, under the terms of its CC0-1.0 license, which calstar chose for the repository.
