4 layers65 × 50 mm
Luminometer ADC
czbiohub-sf/portable-luminometer
Software and electronics for the portable SiPM luminometer.
75 parts1BSD-3-Clause
4 layers91.4 × 43.2 mm
Custom printed circuit board for biosensing, such as EMG, EEG, or ECG
- Size
- 91.4 × 43.2 mm
- Copper layers
- 4
- Thickness
- 1.6 mm
- Parts
- 52
- Nets
- 69
- Pads
- 206
- Tracks, vias
- 340, 37
- Pours
- 2
- Routed
- Yes
- KiCad
- KiCad 5 (file 20171130)
- Created
- 27 Jun 2022
- Updated
- 27 Jun 2022
Overview
Emg v2 is an open-source printed circuit board by dgaddy, from the dgaddy/biosensing_circuit_board repository on GitHub, published under the MIT licence. It is a 4-layer board of 91.4 × 43.2 mm with 52 parts on 69 nets, routed with 340 tracks and 37 vias.
It is built around the ADS131M08IPBS. Its parts include 29 resistors, 16 capacitors, 4 ICs and 3 connectors.
Main components
1README
README.mdThese designs are for a low-cost biosensing board for measuring signals such as EMG, EEG, or ECG.
The board is designed to plug into an Adafruit Feather M4 Express and send the collected signals back to a computer over USB.
Disclaimer: Connecting electrical circuitry to your body can be dangerous. I do not make any guarantees to the safety of this design. Before building, you should conduct your own analysis of safety.
Parts
52| Qty | Value | Footprint | References |
|---|---|---|---|
| 11 | 255k | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R3, R9, R10, R11, R16, R17, R18, R19, R20, R21, R22 |
| 9 | 10uF | Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C5, C6, C7, C8, C9, C10, C11, C12, C16 |
| 8 | 50k | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R5, R6, R7, R8, R12, R13, R14, R15 |
| 7 | 1M | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R23, R24, R25, R26, R27, R28, R29 |
| 5 | 1uF | Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C1, C2, C3, C13, C15 |
| 3 | 1k | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R1, R2, R4 |
| 3 | LMV604MA_NOPB | Package_SO:SOIC-14_3.9x8.7mm_P1.27mm | U1, U2, U3 |
| 2 | Conn_01x16 | Connector_PinSocket_2.54mm:PinSocket_1x16_P2.54mm_Vertical | J2, J3 |
| 1 | 10nF | Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C4 |
| 1 | 220nF | Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C14 |
| 1 | ADS131M08IPBS | Package_QFP:LQFP-32_5x5mm_P0.5mm | U4 |
| 1 | Conn_01x10 | Connector_PinHeader_2.54mm:PinHeader_1x10_P2.54mm_Vertical | J1 |
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Questions
How big is the Emg v2 PCB?
It measures 91.4 × 43.2 mm and has 4 copper layers, 1.6 mm thick.
What parts does the Emg v2 use?
52 parts, built around the ADS131M08IPBS. 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 Emg v2 KiCad files?
From the dgaddy/biosensing_circuit_board repository on GitHub, at the commit this page was made from: the board is kicad_files/emg_v2.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the Emg v2 design in my own project?
Its repository publishes it under the MIT licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).