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ISD1820-based voice recording and playback module
This small module can record and play back up to 10 seconds of audio by default, although this can be changed by varying the value of one resistor.
See the article on the Junk Mail Repeller in the August 2019 issue for more details. Also used in the July 2021 Model Railway Level Crossing project.
Cat No SC5081. Price: AUD $7.50
1
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(available until stock is exhausted)
In stock:
yes (16 available). Estimated dispatch time: 1-3 days
Related to:
Project: “HEY! THE SIGN SAYS NO JUNK MAIL!”
(August 2019
[print issue]
[online issue]
)
Project: Model Railway Level Crossing
(July 2021
[print issue]
[online issue]
)
Project: Automatic Train Controller
(October 2022
[print issue]
[online issue]
)
Other items relevant to these projects:
Automatic Train Controller:
Automatic Train Control PCB [09109221]
($2.50)
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Chuff Sound PCB [09109222]
($2.50)
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PIC16F1455-I/P programmed for the Automatic Train Controller (0910922A.HEX)
($10.00)
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PIC12F675-I/P programmed for the Chuff Sound module (0910922C.HEX)
($10.00)
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Firmware for the Automatic Train Controller (0910922A/C.HEX)
(Free)
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Auto Train Control and Chuff Sound Generator PCB patterns (PDF download) [09109221/2]
(Free)
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Model Railway Level Crossing:
Model Railway Level Crossing PCB [09108211]
($5.00)
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Pair of PIC12F617-I/P chips for the Model Railway Level Crossing [0910821A/B/C.HEX]
($15.00)
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(with default options)
Firmware, source code and sound recording for the Model Railway Level Crossing [0910211A-C]
(Free)
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Model Railway Level Crossing PCB pattern (PDF download) [09108211]
(Free)
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Mechanical diagrams and label artwork for the Railway Level Crossing (PDF Download)
(Free)
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