2 layers126.2 × 73.5 mm
2 layers47.7 × 36.7 mm
- Size
- 47.7 × 36.7 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 18
- Nets
- 14
- Pads
- 66
- Tracks, vias
- 105, 0
- Pours
- 1
- Routed
- Yes
- KiCad
- KiCad 7 (file 20221018)
- Created
- 16 Aug 2024
- Updated
- 6 Dec 2024
Overview
BAU is an open-source printed circuit board by robotcopper, from the robotcopper/HARP2_Electronics repository on GitHub. It is a 2-layer board of 47.7 × 36.7 mm with 18 parts on 14 nets, routed with 105 tracks and 0 vias.
It is built around the 74LS04PC, G2RL-1-E DC5 and L78L05CZ, with the L78L10ACU and NA555P among its other parts. Its parts include 5 resistors, 4 capacitors, 2 inductors, 1 IC and 1 connector.
Main components
5
74LS04PC
PDIP-140℃~+70℃ 4.75V~5.25V 6 6.6mA 74LS PDIP-14 InvertersonsemiInverters
G2RL-1-E DC5
DIP,28.8x12.5mm-40℃~+85℃ 100mΩ 15ms 16A 16A@250VAC、16A@24VDC 300V@DC、440V@AC 400mW 5V 5ms 62.5Ω 8 Non-Polarized - Single Coil One set changeover: 1C (SPDT - changeover) Silver Alloy (Cd-Free) DIP,28.8x12.5mm Power Relays ROHSOmronPower Relays
L78L05CZ
TO-920℃~+125℃ 100mA 30V 40uV 49dB@(120Hz) 5V Fixed Over Temperature Protection、Short Circuit Protection Positive TO-92 Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHSSTMicroelectronicsPower Management - Specialized
L78L10ACU
SOT-89-30℃~+125℃@(Tj) 1 1.7V@(40mA) 100mA 10V 23V 45dB@(120Hz) 60uV 6mA Fixed Over Temperature Protection、Short Circuit Protection Positive SOT-89-3 Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHSSTMicroelectronicsVoltage Regulators - Linear, Low Drop Out (LDO) Regulators
NA555P
PDIP-8-40℃~+105℃ 100kHz 4.5V~16V PDIP-8 555 Timers / Counters ROHSTexas InstrumentsTimers / Counters
Parts
18| Qty | Value | Footprint | References |
|---|---|---|---|
| 2 | 0,1u | Capacitor_THT:CP_Radial_D4.0mm_P2.00mm | C2, C4 |
| 2 | 0,47u | Capacitor_THT:CP_Radial_D5.0mm_P2.50mm | C1, C3 |
| 2 | 10k | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R1, R2 |
| 2 | 510 | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R4, R5 |
| 1 | 1k | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R3 |
| 1 | 74LS04 | Package_DIP:DIP-14_W7.62mm_Socket | U2 |
| 1 | G2RL-1-E | Relay_THT:Relay_SPDT_Omron_G2RL-1-E | K1 |
| 1 | L78L05 | Package_TO_SOT_THT:TO-92_Inline | L78L05_TO92 |
| 1 | L78L10 | Package_TO_SOT_THT:TO-92L_Inline_Wide | L78L10_TO92 |
| 1 | NA555P | Package_DIP:DIP-8_W7.62mm_Socket | NA555P1 |
| 1 | P16NF06L | Package_TO_SOT_THT:TO-220F-3_Vertical | P16NF06L1 |
| 1 | bat_in-out | CONN_S3B-XH-ALFSN_JST:CONN_S3B-XH-ALFSN_JST | bat_in-out1 |
| 1 | starter | CONN_S3B-PH-K-S_JST:CONN_S3B-PH-K-S_JST | starter1 |
| 1 | stop | CONN_S3B-PH-K-S_JST:CONN_S3B-PH-K-S_JST | stop1 |
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Questions
How big is the BAU PCB?
It measures 47.7 × 36.7 mm and has 2 copper layers, 1.6 mm thick.
What parts does the BAU use?
18 parts, built around the 74LS04PC, G2RL-1-E DC5, L78L05CZ and L78L10ACU. 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 BAU KiCad files?
From the robotcopper/HARP2_Electronics repository on GitHub, at the commit this page was made from: the board is BAU/BAU.kicad_pcb and its schematic BAU/BAU.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the BAU design in my own project?
Its repository states no licence, so its author keeps all rights: ask robotcopper before reusing the design.