Electronics

Electronic Components required or potentially usable in the project. Mostly used for the input board.

MicroDrum uses

IC 74HC4851 analog multiplexer (which is 4051 + bat85)

From the Nano-8 project:

1MOhm resistors (link)
5.1V Zener diode, BAT85

Components

Amplifier

LM2902 (datasheet)

Available at Conrad (link), DIP version LM2902N, €0.25.

Capacitor

Used to iron out the sine wave of the piezo analog input signal (voltage).

Connectors / Klinkenbuchse

List of 6.5mm connectors at Conrad (link).

Single piece (RS link, Conrad link, stereo €0.94). Somewhere reffered as P10.

Breadboard

Description (link). This can also be a specific printed PCB for performance. Using an extensible board is better for prototyping and might even be enough for the in-house solution.

Instructions: Breadboard (link); Using a Breadboard (link).

Diode

1N4148 - starting at €0.12 at Conrad (link)
BAT85, Schottky, €0.52 at Conrad (link). Full wave rectifier/doubler. Some replacement options are BAT42 , -43, -46, -48, SD103 or 1N60.

Multiplexer

For multiplying the number of analog inputs.

Multiplexer 4051, (€0.90 at Conrad).

Multiplexer 4851

SN74HC4851N PDIP-16, €0.76 at Conrad; DIP version is better for use with breadboards.
SN74HC4851D SOIC-16-N (~0.50 at Conrad). There are several different versions. See this PDF for info.

Which multiplexer to buy? (link) with Arduino => 4851 = 4051 with bat85.

Resistors

1M, 10K, 510 Ohm

Resistor color-code calculators:

searching tabs (link), bidirectional, 3-4-5-6 band
robot room (link), bidirectional
resistor guide (link)

Google Sites

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