

CounterProject
This is PCB Counter
- Size
- 86.4 × 63.5 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 82
- Nets
- 71
- Pads
- 294
- Tracks, vias
- 650, 58
- Pours
- 7
- Routed
- Yes
- KiCad
- KiCad 5 (file 20171130)
- Created
- 9 Jun 2020
- Updated
- 3 Sep 2020
Overview
CounterProject is an open-source printed circuit board by jgruen2, from the jgruen2/Counter repository on GitHub. It is a 2-layer board of 86.4 × 63.5 mm with 82 parts on 71 nets, routed with 650 tracks and 58 vias.
It is built around the MCP73871EV, HDSP-A151 and TPS61090_1_2, with the JS102011SAQN among its other parts. Its parts include 36 resistors, 17 capacitors, 9 ICs, 4 diodes and 4 switches.
Main components
4MCP73871EV
-ModulesMicrochip TechnologyHDSP-A151
DIP-100.3 1 12.7mmx7.62mmx6.09mm 7 Segment 96mW Common Anode Red DIP-10 LED Segment Displays ROHSBroadcom LimitedLED Segment DisplaysTPS61090_1_2
UncategorisedTexas InstrumentsJS102011SAQN
SMD-40℃~+85℃ 3.5mm 300mA 5,000 cycles 6V 9mm Black Rectangular Columnar SMD(SMT) Tab SPDT Surface Mount, Right Angle SMD Slide Switches ROHSC&KSlide Switches
Parts
82| Qty | Value | Footprint | References |
|---|---|---|---|
| 14 | 3.3k | Resistor_SMD:R_0603_1608Metric | R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, R13, R14 |
| 12 | 0.1uF | Capacitor_SMD:C_0603_1608Metric | C2, C3, C6, C9, C10, C11, C12, C13, C14, C20, C21, C22 |
| 5 | 100k | Resistor_SMD:R_0603_1608Metric | R23, R26, R27, R35, R36 |
| 5 | 1k | Resistor_SMD:R_0603_1608Metric | R21, R22, R24, R33, R34 |
| 5 | TestPoint | TestPoint:TestPoint_Pad_D1.0mm | TP2, TP3, TP4, TP5, TP6 |
| 4 | 10k | Resistor_SMD:R_0603_1608Metric | R17, R18, R19, R20 |
| 4 | LED | 1_Jons_Footprints:LTST-C193KGKT-5A - 0603 | D1, D2, D3, D4 |
| 4 | MountingHole_Pad | MountingHole:MountingHole_2.5mm_Pad | H1, H2, H3, H4 |
| 2 | 0_DNF | Resistor_SMD:R_0603_1608Metric | R38, R39 |
| 2 | 10uF | Capacitor_SMD:C_0603_1608Metric | C4, C5 |
| 2 | 74LS47 | 1_Jons_Footprints:SN74LS47D - SOIC127P600X175-16N | U4, U10 |
| 2 | 74LS90 | 1_Jons_Footprints:SN74LS90DR - SOIC127P600X175-14N | U5, U11 |
| 2 | HDSP-A151 | Display_7Segment:HDSP-A151 | U9, U12 |
| 2 | SW_Push | 1_Jons_Footprints:Push Button - PTS645SM43SMTR92 | SW1, SW2 |
| 1 | 0_DNF | Capacitor_SMD:C_0603_1608Metric | C45 |
| 1 | 1.07M | Resistor_SMD:R_0603_1608Metric | R31 |
| 1 | 1.87M | Resistor_SMD:R_0603_1608Metric | R29 |
| 1 | 100uF | Capacitor_SMD:C_1206_3216Metric | C8 |
| 1 | 16k | Resistor_SMD:R_0603_1608Metric | R28 |
| 1 | 2.2uF | Capacitor_SMD:C_0603_1608Metric | C7 |
| 1 | 200k | Resistor_SMD:R_0603_1608Metric | R32 |
| 1 | 270k | Resistor_SMD:R_0603_1608Metric | R25 |
| 1 | 340k | Resistor_SMD:R_0603_1608Metric | R30 |
| 1 | 6.8uH | 1_Jons_Footprints:SD43-562 | L1 |
| 1 | Header | 1_Jons_Footprints:Battery Header | U25 |
| 1 | JS102011SAQN | 1_Jons_Footprints:SW_JS102011SAQN | S1 |
| 1 | MCP73871 | 1_Jons_Footprints:Battery_Management_IC_QFN-20-1EP | U22 |
| 1 | MMUN2133LT1G | 1_Jons_Footprints:SOT95P240X111-3N | Q2 |
| 1 | MicroUSB | 1_Jons_Footprints:FCI_10118193-0001LF | J1 |
| 1 | SW_Push_DNF | 1_Jons_Footprints:Push Button - PTS645SM43SMTR92 | SW3 |
| 1 | TPS61090 | 1_Jons_Footprints:Boost_IC_Texas_S-PVQFN-N16_EP2.7x2.7mm_ThermalVias | U27 |
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Questions
How big is the CounterProject PCB?
It measures 86.4 × 63.5 mm and has 2 copper layers, 1.6 mm thick.
What parts does the CounterProject use?
82 parts, built around the MCP73871EV, HDSP-A151, TPS61090_1_2 and JS102011SAQN. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
Where can I download the CounterProject KiCad files?
From the jgruen2/Counter repository on GitHub, at the commit this page was made from: the board is Rev02/CounterProject/CounterProject.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the CounterProject design in my own project?
Its repository states no licence, so its author keeps all rights: ask jgruen2 before reusing the design.