velleman WSAH195 Electronic Record-Playback Kit Instruction Manual
- June 9, 2024
- Velleman
Table of Contents
soldering
Component side
START
1 Resistor
◊ R1 … R3: 4K7 | (Yellow, Purple, Red)
◊ R4, R5: 1K | (Brown, Black, Red)
◊ R6: 100K | (Brown, Black, Yellow)
◊ R7: 47K | (Yellow, Purple, Orange)
2 Ceramic capacitors
◊ C1 … C7: 100nF (104)
3 Diode
Watch the polarity !
◊ D1: 1N4007
4 IC – socket
Watch the notch !
◊ IC1: 28p
5 LEDs
Watch the polarity !
◊ LD1: green
◊ LD2: Red
6 Potentiometer
◊ RV1: 100K (sample frequency)
7 Push button
◊ SW1: record
◊ SW2: Play
◊ SW3: Erase
◊ SW4: Forward
◊ SW5: Volume
8 Voltage regulator
◊ VR1: UA78L05
9 Microphone
◊ MIC
10 Electrolytic capacitors
Watch the polarity !
◊ C8 : 4,7µF
◊ C9 : 4,7µF
◊ C10 : 100µF
11 Terminal block
◊ SK1 : 2p power supply (9 …12VDC)
◊ SK3 : 2p speaker (8 ohm)
12 IC
Watch the notch !
◊ IC1 : ISD1760PY (Voice record/playback chip)
13 Speaker
◊ Speaker (8ohm)
14 Connection diagram
- Record
- Play
- Erase
- Next
- volume
- not included
WSAH195-19022021
TO ALL RESIDENTS OF THE EUROPEAN UNION
Important environmental information about this product
This symbol on this unit or the package, indicates that disposal of this unit
after its lifecycle could harm the environment. Do not dispose the unit as
unsorted municipal waste; it should be disposed by a specialized company for
recycling. This unit should be returned to your distributor or to a local
recycling service. Respect the local environmental rules. If any doubt contact
your local authorities about waste disposal rules.