2 layers100.5 × 83 mm
PicoLogger
WestianPKl/Logger_Dashboard
A full-stack IoT monitoring platform for collecting, visualizing, and managing environmental sensor data from distributed devices.
63 parts
4 layers18.9 × 20.9 mm
555 SMD
tro-nic/555_SMD1Small board to use in breadboads projects. #LM555 SMD on #PCB 4 layers, One inch module.
- Size
- 18.9 × 20.9 mm
- Copper layers
- 4
- Thickness
- 4.69 mm
- Parts
- 16
- Nets
- 12
- Pads
- 42
- Tracks, vias
- 48, 26
- Pours
- 2
- Routed
- Yes
- KiCad
- KiCad 6 (file 20211014)
- Created
- 20 Feb 2023
- Updated
- 20 Feb 2023
Overview
555 SMD is an open-source printed circuit board by tro-nic, from the tro-nic/555_SMD repository on GitHub. It is a 4-layer board of 18.9 × 20.9 mm with 16 parts on 12 nets, routed with 48 tracks and 26 vias.
It is built around the LL4148, MMBT3904 and SM4007. Its parts include 5 resistors, 4 capacitors, 4 diodes, 1 IC and 1 transistor.
Main components
3
LL4148
LL-341 Independent 1V@10mA 200mA 4A 4ns 500mW 5uA@75V 75V LL-34 Switching Diodes ROHSMDDSwitching Diodes
MMBT3904
SOT-23-55℃~+150℃ 1 NPN 100 100nA 200mA 200mW 300MHz 300mV 40V 6V NPN SOT-23 Bipolar (BJT) ROHSJiangsu Changjing Electronics Technology (CJ)Bipolar (BJT)
SM4007
MELFMELF Diodes - General Purpose ROHSYONGYUTAIDiodes - General Purpose
README
README.md555_SMD
Small board to use in breadboads projects. #LM555 SMD on #PCB 4 layers, One inch module.
Parts
16| Qty | Value | Footprint | References |
|---|---|---|---|
| 5 | R | Resistor_SMD:R_1206_3216Metric | R1, R2, R3, R4, R5 |
| 2 | 0.1uF | Capacitor_SMD:C_1206_3216Metric | C1, C3 |
| 1 | 10uF | Capacitor_SMD:CP_Elec_3x5.3 | C2 |
| 1 | 1N47xxA | Diode_THT:D_DO-41_SOD81_P10.16mm_Horizontal | D2 |
| 1 | I/O | Connector_PinHeader_2.54mm:PinHeader_1x05_P2.54mm_Vertical | J1 |
| 1 | LED | LED_SMD:LED_1206_3216Metric | D4 |
| 1 | LL4148 | Diode_SMD:D_MiniMELF | D3 |
| 1 | LM555xM | Package_SO:SOIC-8_3.9x4.9mm_P1.27mm | U1 |
| 1 | MMBT3904 | Package_TO_SOT_SMD:SOT-23 | Q1 |
| 1 | SM4007 | Diode_SMD:D_MELF | D1 |
| 1 | c | Capacitor_SMD:CP_Elec_8x10 | C4 |
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Questions
How big is the 555 SMD PCB?
It measures 18.9 × 20.9 mm and has 4 copper layers, 4.69 mm thick.
What parts does the 555 SMD use?
16 parts, built around the LL4148, MMBT3904 and SM4007. 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 555 SMD KiCad files?
From the tro-nic/555_SMD repository on GitHub, at the commit this page was made from: the board is 555_SMD.kicad_pcb and its schematic 555_SMD.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the 555 SMD design in my own project?
Its repository states no licence, so its author keeps all rights: ask tro-nic before reusing the design.