

Lab8
Interface & Digital Electronics
- Size
- 114.3 × 86.4 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 14
- Nets
- 10
- Pads
- 38
- Tracks, vias
- 54, 0
- Pours
- 1
- Routed
- Yes
- KiCad
- KiCad 6 (file 20211014)
- Created
- 13 Jan 2022
- Updated
- 17 Apr 2022
Overview
Lab8 is an open-source printed circuit board by Kronos3, from the Kronos3/CMPE460 repository on GitHub. It is a 2-layer board of 114.3 × 86.4 mm with 14 parts on 10 nets, routed with 54 tracks and 0 vias.
It is built around the TLC277ID and QRD1114. Its parts include 5 resistors, 2 ICs, 2 diodes and 1 connector.
Main components
2TLC277ID
SOIC-8-40℃~+85℃ 1.4mA 1.7MHz 1.8uV/℃ 2 25nV/√Hz@1kHz 4V~16V 5.3V/us 500uV 60pA 60pA 95dB ESD protection Rail-to-Rail Input, Rail-to-Rail Output SOIC-8 Operational Amplifier ROHSTexas InstrumentsPrecision Op AmpsQRD1114
插件-40℃~+85℃ 0.4V 1.27mm 1.7V 100mW 10us@5mA,100Ω 1mA 30V 50mA 50us@5mA,100Ω 5V 940nm Phototransistor Plugin Reflective Optical Interrupters ROHSonsemiReflective Optical Interrupters
Parts
14| Qty | Value | Footprint | References |
|---|---|---|---|
| 2 | 1N5817 | Diode_THT:D_DO-41_SOD81_P10.16mm_Horizontal | D1, D2 |
| 2 | 47u | Capacitor_THT:CP_Axial_L10.0mm_D4.5mm_P15.00mm_Horizontal | CH1, CL1 |
| 1 | 100 | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P15.24mm_Horizontal | R5 |
| 1 | 1k | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P15.24mm_Horizontal | R4 |
| 1 | 20k | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P15.24mm_Horizontal | Rl1 |
| 1 | 2k | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P15.24mm_Horizontal | R2 |
| 1 | 390k | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P15.24mm_Horizontal | R3 |
| 1 | 6.7k | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P15.24mm_Horizontal | R1 |
| 1 | 65 | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P15.24mm_Horizontal | Rf1 |
| 1 | Conn_01x04_Male | Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Vertical | J1 |
| 1 | QRD1114 | digikey-footprints:Reflective_Sensor_QRD1114 | U2 |
| 1 | TLC277 | Package_DIP:DIP-8_W7.62mm | U1 |
Questions
How big is the Lab8 PCB?
It measures 114.3 × 86.4 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Lab8 use?
14 parts, built around the TLC277ID and QRD1114. 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 Lab8 KiCad files?
From the Kronos3/CMPE460 repository on GitHub, at the commit this page was made from: the board is lab8/pcb.kicad_pcb and its schematic lab8/pcb.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Lab8 design in my own project?
Its repository states no licence, so its author keeps all rights: ask Kronos3 before reusing the design.
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