EavesDrum
EavesDrum is an open source Raspberry Pi PCB design by tobigun: a 2-layer, 100 × 100 mm board with 94 components (23 distinct parts). It is built around the CD74HC4067M. Filed under audio and wearables.
EavesDrum is an e-drum trigger module project, designed for musicians and makers. It allows you to connect drum pads or piezo triggers and converts their signals into MIDI events.
- Welcome to EavesDrum! - Downloads - EavesDrum Trigger Module - Features - Before You Start: Is EavesDrum What You Need? - Getting Started - Build Your Own EavesDrum Trigger Module - Use the Reference Design - PCB Ordering and Assembly - Connector Harness - Connector Module - Build your own adapter - Wiring the Single Pad Connectors - Make Your Own Design - How the Circuit Works - Over-Voltage Protection - Voltage Divider / DC Voltage Offset Generator - Example - Configuration - Calibration - Settings - Generic Settings - Pedal Settings - Apply Presets - Mappings - Apply a Whole…
Built around
Parts list
94 components, 23 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 2 | CD74HC4067M | SOIC-24W_7.5x15.4mm_P1.27mm | U1, U2 |
| 1 | USB_A | USB_A_Connfly_DS1095 | J1 |
| 1 | Conn_02x25_Odd_Even | IDC-Header_2x25_P2.54mm_Vertical_SMD_Thru | J2 |
| 1 | Conn_01x03 | PinSocket_1x03_P2.54mm_Vertical_SMD_Thru_Pin1Left | J3 |
| 1 | Conn_01x20_Socket | RaspberryPi_Pico_wo_2nd_pin_row | J4 |
| 1 | Conn_01x20_Socket | RaspberryPi_Pico_Common_2nd_pin_row | J5 |
| 1 | DIN-5_180degree | MIDI_DIN5 | J7 |
| 3 | SW_Push | SW_Push_SMD_Thru | SW1, SW2, SW3 |
| 32 | BAT54S | SOT-23 | D1.0, D1.1, D1.2, D1.3, D1.4, D1.5, D1.6, D1.7 +24 |
| 1 | LED (red) | LED_D3.0mm_SMD_Thru | D3 |
| 1 | LED (white/blue) | LED_D3.0mm_SMD_Thru | D4 |
| 1 | LED (yellow) | LED_D3.0mm_SMD_Thru | D5 |
| 2 | 10u | C_0805_2012Metric | C1, C2 |
| 32 | 1k | R_0805_2012Metric | R1.0, R1.1, R1.2, R1.3, R1.4, R1.5, R1.6, R1.7 +24 |
| 2 | 5k | Potentiometer_SMD_Thru_Vertical | R3, R6 |
| 1 | 2.7k | R_0805_2012Metric | R4 |
| 3 | 330 | R_0805_2012Metric | R5, R8, R13 |
| 2 | 4.7k | R_0805_2012Metric | R9, R14 |
| 1 | 10k | R_0805_2012Metric | R10 |
| 1 | 100k | Potentiometer_SMD_Thru_Vertical | R11 |
Show 3 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 2 | 15k | R_0805_2012Metric | R15, R16 |
| 1 | 10 | R_0805_2012Metric | R17 |
| 1 | 33 | R_0805_2012Metric | R18 |
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