Calculator.test
About the Calculator.test PCB
Calculator.test is an open source PCB design by pparent76, published on GitHub. It is a 4-layer board measuring 100.4 × 50 mm, with 90 components from 33 distinct parts.
Other key parts include the IMX233, DDR_SDRAM_MT46_X16 and L7805. By type, the board carries 51 capacitors, 18 resistors, 7 connectors, 5 diodes, 4 ICs and 2 switches.
From the project
Hardware of the librecalc project
Main components on the Calculator.test
Calculator.test bill of materials (BOM)
90 components, 33 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | IMX233 | LQFP128_14x14mm_0.4mmPitch_iMX233 | IC1 |
| 1 | DDR_SDRAM_MT46_X16 | TSOP66_JEDEC_DDR_SDRAM | IC2 |
| 1 | CONN_MICROSD | Memory_Card_microSD_DM3CS-SF | U1 |
| 1 | L7805 | LM78XX | U2 |
| 1 | 24MHz | HC-49V | X1 |
| 1 | CONN_30 | PIN_ARRAY_20X2 | P1 |
| 2 | CONN_4 | CONN_USB2_MiniB_SMT | P3, P5 |
| 1 | CONN_2 | JACK_ALIM | P4 |
| 1 | CONN_4 | PIN_ARRAY_4x1 | P6 |
| 2 | CONN_2 | PIN_ARRAY_2X1 | P7, P8 |
| 1 | Jumper-2 | PIN_ARRAY_2X1 | JP1 |
| 1 | SWITCH_PUSHBUTTON | SW_PUSH_SMALL | SW2 |
| 1 | SWITCH_INV | PIN_ARRAY_3X1 | SW3 |
| 1 | ZENER | SM1206 | D1 |
| 1 | D_SCHOTTKY | D3 | D2 |
| 3 | LED | LED-0805 | D3, D4, D5 |
| 1 | 15uH | inductor22 | L1 |
| 2 | 10pf | SM0603_Capa | C1, C2 |
| 10 | 1uF | SM0603 | C3, C7, C22, C24, C28, C35, C36, C39 +2 |
| 16 | 100nF | SM0603_Capa | C4, C5, C6, C8, C11, C12, C13, C15 +8 |
Show 13 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 11 | 22uF | SM0805 | C9, C16, C17, C23, C27, C46, C47, C48 +3 |
| 1 | 100nf | SM0603_Opendous | C10 |
| 3 | 0.01uF | SM0603_Capa | C14, C19, C20 |
| 1 | 1uF | SM0603_Capa | C21 |
| 6 | 100nF | SM0603 | C29, C30, C31, C32, C33, C34 |
| 1 | 10nF | SM0603 | C43 |
| 5 | 4.7k | SM0805 | R1, R4, R8, R9, R18 |
| 3 | 10k | SM0805 | R5, R6, R16 |
| 3 | 47k | SM0805 | R7, R10, R20 |
| 2 | 1k(1%) | SM0805 | R11, R12 |
| 3 | 100 | SM0805 | R13, R17, R19 |
| 1 | 1K | SM0805 | R14 |
| 1 | 100k | SM0805 | R15 |
Calculator.test design files
The KiCad project lives in the pparent76/Librecalc-Hardware repository on GitHub; these links point at the commit this page was built from.
Calculator.test: common questions
How big is the Calculator.test PCB?
The Calculator.test measures 100.4 × 50 mm, has 4 copper layers and is 1.6 mm thick.
How many components are on the Calculator.test?
90 components, from 33 distinct parts. The full bill of materials is listed on this page.
Where can I download the Calculator.test design files?
From the pparent76/Librecalc-Hardware repository on GitHub, which has the KiCad layout; the links under Design files point to each one.
Can I use the Calculator.test design in my own project?
The repository has no license, so all rights stay with pparent76. Use it as a reference, and ask the author before reusing the design.
