Cylon Voice
Robotalk from an ATtiny microcontroller
Materials
Gerber file
CAM/CAD data for the PCB referred to in this article is available as a Gerber file. Elektor GREEN and GOLD members can exclusively download these files for free as part of their membership. Gerber files allow a PCB to be produced on an appropriate device available locally, or through an online PCB manufacturing service.
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Component list
Resistors
R18 = 10Ω
R9 = 33Ω
R14 = 220Ω
R5 = 470Ω
R13,R15 = 1kΩ
R12,R16 = 4kΩ7
R1 = 10k
R10 = 27k
R4 = 220k
R2 = 330k
R3, R11 = 470k
P1,P2 = 500k
P3,P4 = 50k
Capacitors
C1 = 56pF
C2 = 2uF2 25V
C18 = 4nF7
C17 = 47nF
C6 = 470nF
C3,C4,C5,C11,C12,C15 = 100nF
C1 = 1uF 25V
C9 = 10uF 25V
C10,C14 = 100uF 25V
C13 = 22uF 25V
C7 = 2nF2
C16 = 22nF
Semiconductors
IC1 = ATtiny45, programmed, Elektor Shop # 070859-41
IC2 = LF356
IC3 = 78L05
IC4 = LM386-N3
Miscellaneous
K1 = 2-way SIL pinheader
MIC1 = electret microphone
PCB, ref. 070859-1, see www.elektor.com
Project software, 070859-11.zip
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