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Sequencer_1

3 years ago 464
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Description

A simple Arduino based 8 step sequencer, this schematic shows the whole design. In my design some of the components are soldered to the front panel. There is a separate schematic that just shows the main board and PCB layout. I am using an Arduino pro mini 5V 16MHz Features: 8 steps Adjustable tempo number of steps adjustable between 1 and 8 - this is optional, if the associated components are omitted, there will be fixed 8 steps. Gate voltage level is 5V CV voltage between 0 and 5V Powered from 9V DC Switchable note on/off for each step, again this is optional.

Documents

sequencer

BOM

ID Name Designator Footprint Quantity
1 ARDUINO_MINI U1 ARDUINO_MINI 1
2 Header-Male-2.54_1x2 P1,P2,P3 HDR-2X1/2.54 3
3 5AW4UC12000-14000 LED1,LED2,LED3,LED4,LED5,LED6,LED7,LED8 LED-5MM 8
4 470Ω R1,R2,R3,R4,R5,R6,R7,R8 AXIAL-0.4 8
5 SWITCH_ROTARY_1X10 S1 ROTARY_SWITCH_1X10 1
6 10KΩ R9,R11 AXIAL-0.4 2
7 10KΩ PR1,PR2,PR3,PR4,PR5,PR6,PR7,PR8,PR9 RES-ADJ_EVM3X3 9
8 10uF C1 RAD-0.2 1
9 TLC2272AMJGB U3 DIP8 1
10 100Ω R10 AXIAL-0.4 1
11 1KΩ R12 AXIAL-0.3 1
12 Toggle SwitchesSK-12F14 G5 SW1,SW2,SW3,SW4,SW5,SW6,SW8,SW7 SK-12F14-G 8
13 1N4148 D9,D1,D2,D3,D4,D5,D6,D7 DO-35 8
14 4051 U2 DIP16 1

Attachments

Filename Download
sequencer.jpg
sequencer_internal.jpg
sequencer_8_firmware.zip

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