2 layers19.7 × 99.1 mm
Main pcb
Testbild-synth/HAGIWO_arduino_oscillator
4HP through hole version of the HAGIWO FM/additive/chord oscillator with mode switch and gain input.
40 parts57MIT
2 layers58 × 23.5 mm
EMGs
J-992/emg-armProsthesisooooo
- Size
- 58 × 23.5 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 21
- Nets
- 14
- Pads
- 56
- Tracks, vias
- 72, 17
- Pours
- 2
- Routed
- Yes
- KiCad
- KiCad 8.0 (file 20240108)
- Created
- 29 May 2023
- Updated
- 22 Jul 2024
Overview
EMGs is an open-source printed circuit board by J-992, from the J-992/emg-arm repository on GitHub. It is a 2-layer board of 58 × 23.5 mm with 21 parts on 14 nets, routed with 72 tracks and 17 vias.
It is built around the INA118U/2K5G4 and TL072CP. Its parts include 9 capacitors, 8 resistors, 2 ICs and 2 connectors.
Main components
2
INA118U/2K5G4
--18V~-2.25V、2.25V~18V -40℃~+85℃ 10nV/√Hz@10Hz 110dB 350uA 500nV/℃ 50uV 5mA 5nA 5nA 900V/ms - Operational Amplifier ROHSTexas InstrumentsOperational Amplifier
TL072CP
PDIP-8-15V~15V 0℃~+70℃ 1.4mA 100pA 13V/us 18nV/√Hz@1kHz 18uV/℃ 2 3MHz 3mV 65pA 70dB Short-Circuit Protection、Built-in compensation、Latch-up suppression PDIP-8 FET Input Amplifiers ROHSTexas InstrumentsFET Input Amplifiers
README
README.mdEMG-Prosthetic-Arm
Prosthetic arm crit files
- need to fabricate custom pcb DONE
- need to design hand prototype
- need to design finger/hand actuation mechanism
Code Reqs:
- class to import real time servo data
- class to process servo data (converting to either motor or LEDs)
- (Experimental): using AI to "assume" movements based on historical/logged data
Use cpp to receive and send info to arduino, use python to process it?
- 3D cad (fingers, palm support, amputee compatibility)
Process:
- initial designs
- Design individual finger, figure out how to make it move
======= (STILL IN DEVELOPMENT)
loads of delay as chip design took multiple iterations
50d2780ce292e68660c6f66260bad24d6c35f479
Parts
21| Qty | Value | Footprint | References |
|---|---|---|---|
| 3 | 100nF | Capacitor_SMD:C_1206_3216Metric | C4, C7, C9 |
| 3 | 10k | Resistor_SMD:R_0805_2012Metric | R3, R4, R6 |
| 2 | 1k | Resistor_SMD:R_0805_2012Metric | R1, R7 |
| 2 | 47uF | Capacitor_SMD:C_1206_3216Metric | C1, C5 |
| 2 | Conn_01x03 | Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical | J1, J2 |
| 2 | R_Variable | Resistor_SMD:R_0805_2012Metric | R2, R8 |
| 1 | 10 | Resistor_SMD:R_0805_2012Metric | R5 |
| 1 | 2.2nF | Capacitor_SMD:C_1206_3216Metric | C8 |
| 1 | 220nF | Capacitor_SMD:C_1206_3216Metric | C6 |
| 1 | 47nF | Capacitor_SMD:C_1206_3216Metric | C3 |
| 1 | C_Variable | Capacitor_SMD:C_1206_3216Metric | C2 |
| 1 | INA118U_2K5 | INA118:SOIC127P600X175-8N | IC2 |
| 1 | TL072CP | TL072CP:DIP794W53P254L959H508Q8N | IC1 |
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Questions
How big is the EMGs PCB?
It measures 58 × 23.5 mm and has 2 copper layers, 1.6 mm thick.
What parts does the EMGs use?
21 parts, built around the INA118U/2K5G4 and TL072CP. 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 EMGs KiCad files?
From the J-992/emg-arm repository on GitHub, at the commit this page was made from: the board is EMG_CHIP_DEV/V2.0/EMGs.kicad_pcb and its schematic EMG_CHIP_DEV/V2.0/EMGs.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the EMGs design in my own project?
Its repository states no licence, so its author keeps all rights: ask J-992 before reusing the design.