

Addon
Lasersaur chiller
- Size
- 38.1 × 43.2 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 12
- Nets
- 10
- Pads
- 28
- Tracks, vias
- 39, 22
- Routed
- Yes
- KiCad
- KiCad 7 (file 20230606)
- Created
- 1 Sep 2015
- Updated
- 20 May 2024
Overview
Addon is an open-source printed circuit board by bullestock, from the bullestock/chiller repository on GitHub. It is a 2-layer board of 38.1 × 43.2 mm with 12 parts on 10 nets, routed with 39 tracks and 22 vias.
It is built around the BC547 and IRFZ44N. Its parts include 5 connectors, 3 resistors, 2 diodes and 2 transistors.
Main components
2Parts
12| Qty | Value | Footprint | References |
|---|---|---|---|
| 1 | 10k | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R2 |
| 1 | 12V in | Connector_JST:JST_XH_B2B-XH-A_1x02_P2.50mm_Vertical | J1 |
| 1 | 1N4004 | Diode_THT:D_DO-41_SOD81_P10.16mm_Horizontal | D1 |
| 1 | 1N4148 | Diode_THT:D_DO-35_SOD27_P7.62mm_Horizontal | D2 |
| 1 | 1k | Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal | R1 |
| 1 | 2k2 | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R3 |
| 1 | BC547 | Package_TO_SOT_THT:TO-92L_Inline_Wide | Q1 |
| 1 | Buzzer | Connector_JST:JST_XH_B2B-XH-A_1x02_P2.50mm_Vertical | J5 |
| 1 | Ext | Connector_JST:JST_XH_B4B-XH-A_1x04_P2.50mm_Vertical | J4 |
| 1 | Fan control | Connector_JST:JST_XH_B2B-XH-A_1x02_P2.50mm_Vertical | J3 |
| 1 | Fan out | Connector_JST:JST_XH_B2B-XH-A_1x02_P2.50mm_Vertical | J2 |
| 1 | IRFZ44N | Package_TO_SOT_THT:TO-220-3_Vertical | Q2 |
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Questions
How big is the Addon PCB?
It measures 38.1 × 43.2 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Addon use?
12 parts, built around the BC547 and IRFZ44N. 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 Addon KiCad files?
From the bullestock/chiller repository on GitHub, at the commit this page was made from: the board is pcb/addon/addon.kicad_pcb and its schematic pcb/addon/addon.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Addon design in my own project?
Its repository states no licence, so its author keeps all rights: ask bullestock before reusing the design.