Alien screamer
About the Alien screamer PCB
Alien screamer is an open source PCB design by adeboni, published on GitHub. It is a 2-layer board measuring 50 × 40 mm, with 55 components from 35 distinct parts.
Other key parts include the LM324 and LM386. By type, the board carries 24 resistors, 14 capacitors, 10 connectors, 3 transistors, 2 ICs and 1 speaker.
It belongs with the audio, iot & wireless and sensors designs in this gallery.
From the project
This repository stores code for various electronics projects I've made
This repository stores code for various electronics projects I've made
Wasp Cannon: A wifi-enabled water cannon for shooting water at wasps on my balcony CV Glove: A glove with flex sensors on fingers that output control voltages for eurorack modules Critter Coat: A coat with fluttering butterflies on it AQI Monitor: Simple air quality monitor using a Honeywell HPM sensors Atari Controller: Custom Atari 2600 controller with an analog joystick Camera Remote: Wireless camera shutter control Gas Sensor: A generic MQ gas sensor board with LED indicators PS2 Drone Controller: Lets you control…
Main components on the Alien screamer
Alien screamer bill of materials (BOM)
55 components, 35 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | LM324 | SOIC-14_3.9x8.7mm_P1.27mm | U1 |
| 1 | LM386 | SOIC-8_3.9x4.9mm_P1.27mm | U2 |
| 2 | MMBT3904 | SOT-23 | Q1, Q2 |
| 1 | MMBF5457 | SOT-23 | Q3 |
| 1 | Battery | PinHeader_1x02_P2.54mm_Vertical | J1 |
| 1 | LFO RATE | PinHeader_1x02_P2.54mm_Vertical | J3 |
| 1 | LFO LED | PinHeader_1x02_P2.54mm_Vertical | J4 |
| 1 | SYNC | PinHeader_1x02_P2.54mm_Vertical | J5 |
| 1 | VOLUME | PinHeader_1x03_P2.54mm_Vertical | J6 |
| 1 | LFO SHAPE 1 | PinHeader_1x02_P2.54mm_Vertical | J7 |
| 1 | LFO SHAPE 2 | PinHeader_1x03_P2.54mm_Vertical | J8 |
| 1 | LFO DEPTH | PinHeader_1x03_P2.54mm_Vertical | J9 |
| 1 | VCO FREQ | PinHeader_1x03_P2.54mm_Vertical | J10 |
| 1 | JACK | PinHeader_1x03_P2.54mm_Vertical | J11 |
| 1 | Speaker | Buzzer_D30mm_H12.8mm_P15mm | LS1 |
| 1 | 1N4148WS | D_SOD-323 | D1 |
| 3 | 220U 220u | CP_Elec_6.3x7.7 | C1, C13, C14 |
| 3 | 100N 100n | C_0603_1608Metric | C2, C3, C10 |
| 3 | 1u | C_0603_1608Metric | C4, C6, C9 |
| 1 | 100P 100p | C_0603_1608Metric | C5 |
Show 15 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | 1n | C_0603_1608Metric | C7 |
| 1 | 10N 10n | C_0603_1608Metric | C8 |
| 1 | 10U 10u | C_0603_1608Metric | C11 |
| 1 | 47N 47n | C_0603_1608Metric | C12 |
| 4 | 4.7K 4.7k | R_0603_1608Metric | R1, R2, R7, R23 |
| 1 | 3k | R_0603_1608Metric | R3 |
| 6 | 100K 100k | R_0603_1608Metric | R4, R5, R6, R10, R19, R22 |
| 2 | 75K 75k | R_0603_1608Metric | R8, R9 |
| 1 | 2k | R_0603_1608Metric | R11 |
| 2 | 2M | R_0603_1608Metric | R12, R20 |
| 1 | 220K 220k | R_0603_1608Metric | R13 |
| 4 | 10K 10k | R_0603_1608Metric | R14, R15, R17, R21 |
| 1 | 300K 300k | R_0603_1608Metric | R16 |
| 1 | 15K 15k | R_0603_1608Metric | R18 |
| 1 | 10 | R_0603_1608Metric | R24 |
Alien screamer design files
The KiCad project lives in the adeboni/electronics repository on GitHub; these links point at the commit this page was built from.
Alien screamer: common questions
How big is the Alien screamer PCB?
The Alien screamer measures 50 × 40 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Alien screamer?
55 components, from 35 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.
Where can I download the Alien screamer design files?
From the adeboni/electronics repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.
Can I use the Alien screamer design in my own project?
The repository has no license, so all rights stay with adeboni. Use it as a reference, and ask the author before reusing the design.
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