BHA8 Stirrer
About the BHA8 Stirrer PCB
BHA8 Stirrer is an open source PCB design by BioClub, published on GitHub under the GPL-2.0 license. It is a 2-layer board measuring 50.3 × 43.2 mm, with 19 components from 12 distinct parts.
By type, the board carries 6 resistors, 2 capacitors and 1 diode.
From the project
BioHack Academy Magnetic Stirrer
- This repo is a clone from https://gitlab.waag.org/biohack/BHAStirrer, please go there for the history and provenience. - BoM will be specific to Japan. - We will also described more hacky` ways (old computer fans, etc) to build the Stirrer.
BHA_Stirrer/ main repo |-- Magnetic-Stirrer-kicad/ wiring documentation BoM.md Bill of Materials Magnetic-Stirrer-Cut-Sheet-3mm.svg Laser cut sheet 3mm Magnetic-Stirrer-Cut-Sheet-4mm.svg Laser cut sheet 4mm Magnetic-Stirrer.f3d Fusion 360 model
BHA8 Stirrer bill of materials (BOM)
19 components, 12 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | NE555P | SOIC-8_3.9x4.9mm_P1.27mm | 555TIMER2 |
| 2 | D_Zener | SOD-123 | D_Z1, D_Z2 |
| 4 | Screw_Terminal_01x02_P3.5mm | TerminalBlock_OnShore_1x02_P3.50mm_Horizontal | Fan2, Heatpad2, Power2, Switch2 |
| 2 | Screw_Terminal_01x03_P3.5mm | TerminalBlock_OnShore_1x03_P3.50mm_Horizontal | FanPotentiometer2, HeatPotentiometer2 |
| 1 | MOSFET_N-CH_30V_1.7A | SOT-23 | Mosfet2 |
| 1 | D_Schottky_100V_1A | SOD-123T | D3 |
| 1 | 2.2uF | C_1206 | C1 |
| 1 | 100nF | C_1206 | C2 |
| 1 | 470 | R_1206 | R1 |
| 2 | 1k | R_1206 | R2, R3 |
| 1 | 100k | R_1206 | R4 |
| 2 | 0 | R_1206 | R5, R6 |
BHA8 Stirrer design files
The KiCad project lives in the BioClub/BHA8_Stirrer repository on GitHub; these links point at the commit this page was built from.
BHA8 Stirrer: common questions
How big is the BHA8 Stirrer PCB?
The BHA8 Stirrer measures 50.3 × 43.2 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the BHA8 Stirrer?
19 components, from 12 distinct parts. The full bill of materials is listed on this page.
Where can I download the BHA8 Stirrer design files?
From the BioClub/BHA8_Stirrer repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the BHA8 Stirrer design in my own project?
Yes, under the terms of its GPL-2.0 license, which BioClub chose for the repository.