2 layers100 × 100 mm
Explorer
anyshake/explorer
🌏 Detecting seismic wave using 3 geophones and 3-axis accelerometer, pack & send data to AnyShake Observer over RS232 / RS485 serial.
266 parts100
2 layers41 × 25 mm
MAX3485
lessthan00/MAX34851kicad RS485
- Size
- 41 × 25 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 15
- Nets
- 9
- Pads
- 42
- Tracks, vias
- 75, 57
- Pours
- 57
- Routed
- Yes
- KiCad
- KiCad 9.0 (file 20241229)
- Created
- 11 May 2025
- Updated
- 19 May 2025
Overview
MAX3485 is an open-source printed circuit board by lessthan00, from the lessthan00/MAX3485 repository on GitHub. It is a 2-layer board of 41 × 25 mm with 15 parts on 9 nets, routed with 75 tracks and 57 vias.
It is built around the MAX3485ED, 1N4148W and SS8050. Its parts include 7 resistors, 3 connectors, 2 capacitors, 1 IC and 1 diode. It belongs with the interfaces and adapters boards of this library.
Main components
3
MAX3485ED
SOP-8-40℃~+85℃ 1 1 10Mbps 1mA 3.135V~3.465V 32 Half-Duplex Transceiver ±8kV SOP-8 RS-485 / RS-422 ICs ROHSHTC Korea TAEJIN TechRS-485 / RS-422 ICs
1N4148W
SOD-123150mA 1A 1V@50mA 1uA@75V 400mW 4ns 75V Independent SOD-123 Switching Diodes ROHSSTMicroelectronicsSwitching Diodes
SS8050
SOT-323-55℃~+150℃ 1 NPN 1.5A 100MHz 100nA 200 25V 300mW 500mV 5V NPN SOT-23 Bipolar (BJT) ROHSJiangsu Changjing Electronics Technology (CJ)Bipolar (BJT)
README
README.mdParts
15| Qty | Value | Footprint | References |
|---|---|---|---|
| 5 | 10K | PCM_Resistor_SMD_AKL:R_1206_3216Metric | R1, R2, R3, R5, R7 |
| 1 | 100nF | PCM_Capacitor_SMD_AKL:C_1206_3216Metric | C1 |
| 1 | 120R | PCM_Resistor_SMD_AKL:R_1206_3216Metric | R6 |
| 1 | 1K | PCM_Resistor_SMD_AKL:R_1206_3216Metric | R4 |
| 1 | 1N4148W | PCM_Diode_SMD_AKL:D_SOD-123 | D1 |
| 1 | 1nF | PCM_Capacitor_SMD_AKL:C_1206_3216Metric | C2 |
| 1 | Conn_01x02 | Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical | J1 |
| 1 | Conn_01x05 | Connector_PinHeader_2.54mm:PinHeader_1x05_P2.54mm_Vertical | J3 |
| 1 | JST_04 | TerminalBlock_Phoenix:TerminalBlock_Phoenix_MKDS-3-4-5.08_1x04_P5.08mm_Horizontal | J2 |
| 1 | MAX3485 | Package_SO:SOIC-8_3.9x4.9mm_P1.27mm | U1 |
| 1 | SS8050 | Package_TO_SOT_SMD:SOT-23 | Q1 |
Questions
How big is the MAX3485 PCB?
It measures 41 × 25 mm and has 2 copper layers, 1.6 mm thick.
What parts does the MAX3485 use?
15 parts, built around the MAX3485ED, 1N4148W and SS8050. 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 MAX3485 KiCad files?
From the lessthan00/MAX3485 repository on GitHub, at the commit this page was made from: the board is MAX3485.kicad_pcb and its schematic MAX3485.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the MAX3485 design in my own project?
Its repository states no licence, so its author keeps all rights: ask lessthan00 before reusing the design.
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