BioAmp v1.5
About the BioAmp v1.5 PCB
BioAmp v1.5 is an open source PCB design by upsidedownlabs, published on GitHub under the CERN-OHL-S-2.0 license. It is a 2-layer board measuring 32 × 60 mm, with 28 components from 13 distinct parts.
Other key parts include the TL074. By type, the board carries 11 resistors, 8 capacitors, 6 connectors, 1 IC, 1 switch and 1 diode.
It belongs with the audio and wearables designs in this gallery.
From the project
Upside Down Lab's Biopotential Amplifier v1.5 - Buy on Tindie at https://bit.ly/BioAmp-v1_5
BioAmp v1.5 is a single chip Bio-potential amplifier for recording any Bio-potential signal non-invasively. It's compatible with Backyard Brains Spike Recorder, which you can use to record and visualize all the Bio-potential signals.
BioAmp v1.5 has been created using KiCad and all the design files can be found under hardware folder, including production Gerber files. Images below shows a quick overview of the hardware design.
Main components on the BioAmp v1.5
BioAmp v1.5 bill of materials (BOM)
28 components, 13 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | TL074 | DIP-14_W7.62mm_Socket_LongPads | U1 |
| 3 | Conn_01x02_Male | PinHeader_1x02_P2.54mm_Vertical | J1, J5, J6 |
| 1 | PJ-3062-CO | PJ3062CO | J2 |
| 1 | Conn_01x03_Male | PinHeader_1x03_P2.54mm_Vertical | J4 |
| 1 | 9v snap | PinHeader_1x02_P2.54mm_Vertical | J7 |
| 1 | TL2285EE | G64_DPDT | S1 |
| 1 | RED LED | LED_D5.0mm | D1 |
| 5 | 100nF | C_Disc_D3.8mm_W2.6mm_P2.50mm | C1, C3, C4, C5, C6 |
| 3 | 47uF | CP_Radial_D5.0mm_P2.50mm | C2, C7, C8 |
| 6 | 10k | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R1, R2, R5, R6, R7, R8 |
| 2 | 220k | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R3, R4 |
| 2 | 100k | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R9, R10 |
| 1 | 1k | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R11 |
BioAmp v1.5 design files
The KiCad project lives in the upsidedownlabs/BioAmp-v1.5 repository on GitHub; these links point at the commit this page was built from.
BioAmp v1.5: common questions
How big is the BioAmp v1.5 PCB?
The BioAmp v1.5 measures 32 × 60 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the BioAmp v1.5?
28 components, from 13 distinct parts. The full bill of materials is listed on this page.
Where can I download the BioAmp v1.5 design files?
From the upsidedownlabs/BioAmp-v1.5 repository on GitHub, which has the KiCad layout; the links under Design files point to each one.
Can I use the BioAmp v1.5 design in my own project?
Yes, under the terms of its CERN-OHL-S-2.0 license, which upsidedownlabs chose for the repository.
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