Make your own wedding audio guestbook - a step-by-step guide!
180.9 هزار بار بازدید -
2 سال پیش
-
In this tutorial, I'll explain
In this tutorial, I'll explain how you can convert any telephone handset into an "Audio Guestbook" - a fun way for guests to leave recorded messages for you, and perfect for wedding receptions, events, or parties.
I'm aware of a couple of companies that offer these kind of products - "After the Tone", "FêteFone", "Life on Record", "At the Beep", and others - but they typically cost ~$400 to hire the equipment, and then additional charges to obtain copies of the audio files afterwards!
The guestbook I've built cost about £30 to make. It uses a Teensy microcontroller to save individual 16bit, 44.1kHz, CD-quality recordings to an SD card. Every time the handset is lifted, a new, numbered file is saved, which you can then load on your PC, and convert to MP3, save or share with your friends etc.
You'll need to have a little knowledge of electronics and coding, but I'll describe the entire process step-by-step. If you have any comments or questions, please leave them below and I'll do my best to answer!
Hardware used:
- A telephone! You can pick one up second hand for ~£10. Doesn't need to be fully-working, just so long as the microphone and speaker work! e.g. https://www.ebay.co.uk/itm/194940719631
- Teensy 4.0, ~£18. I bought mine from https://coolcomponents.co.uk/collecti..., but they're available from many suppliers, including Amazon.
- Teensy Audio Shield, ~£14
https://coolcomponents.co.uk/collecti...
- Screw terminal strips (A.K.A. Choc Block connectors), https://www.screwfix.com/p/3a-12-term...
- 3.5mm jack breakout board, https://thepihut.com/products/sparkfu...
Software used (all free, open-source):
- Audacity (https://www.audacityteam.org/) - for recording your greeting message and loading raw audio recordings from the SD card.
- Arduino IDE (https://www.audacityteam.org/) - for creating the code.
- TeensyDuino (https://www.pjrc.com/teensy/td_downlo...) - an extension to the Arduino IDE that allows you to target the Teensy hardware.
- SOX (https://sourceforge.net/projects/sox/) - for batch conversion of all raw audio recordings on the SD card into WAV or MP3 format.
Timings:
00:00:00 - 00:01:47 Introduction
00:01:48 - 00:08:12 Identifying Telephone Components
00:08:13 - 00:10:46 Teensy Controller
00:10:47 - 00:11:26 Fritzing Wiring Diagram
00:11:27 - 00:15:06 Wiring the Telephone
00:15:07 - 00:18:00 Installing TeensyDuino Software
00:18:01 - 01:00:07 Programming the Teensy using the Arduino IDE
01:00:08 - 01:02:13 Loading Recorded Messages using Audacity
01:02:14 - 01:04:02 Batch conversion of Raw Audio Recordings using SOX
01:04:03 - 01:05:17 Wrapup
You can find the code on my GitHub account: https://github.com/playfultechnology/...
A HUGE thankyou to my Patreon supporters who support me to create these video tutorials. If you're interested in finding out more, please do check out Patreon: playfultech , and don't forget to like and subscribe to this channel for more playful project ideas :)
I'm aware of a couple of companies that offer these kind of products - "After the Tone", "FêteFone", "Life on Record", "At the Beep", and others - but they typically cost ~$400 to hire the equipment, and then additional charges to obtain copies of the audio files afterwards!
The guestbook I've built cost about £30 to make. It uses a Teensy microcontroller to save individual 16bit, 44.1kHz, CD-quality recordings to an SD card. Every time the handset is lifted, a new, numbered file is saved, which you can then load on your PC, and convert to MP3, save or share with your friends etc.
You'll need to have a little knowledge of electronics and coding, but I'll describe the entire process step-by-step. If you have any comments or questions, please leave them below and I'll do my best to answer!
Hardware used:
- A telephone! You can pick one up second hand for ~£10. Doesn't need to be fully-working, just so long as the microphone and speaker work! e.g. https://www.ebay.co.uk/itm/194940719631
- Teensy 4.0, ~£18. I bought mine from https://coolcomponents.co.uk/collecti..., but they're available from many suppliers, including Amazon.
- Teensy Audio Shield, ~£14
https://coolcomponents.co.uk/collecti...
- Screw terminal strips (A.K.A. Choc Block connectors), https://www.screwfix.com/p/3a-12-term...
- 3.5mm jack breakout board, https://thepihut.com/products/sparkfu...
Software used (all free, open-source):
- Audacity (https://www.audacityteam.org/) - for recording your greeting message and loading raw audio recordings from the SD card.
- Arduino IDE (https://www.audacityteam.org/) - for creating the code.
- TeensyDuino (https://www.pjrc.com/teensy/td_downlo...) - an extension to the Arduino IDE that allows you to target the Teensy hardware.
- SOX (https://sourceforge.net/projects/sox/) - for batch conversion of all raw audio recordings on the SD card into WAV or MP3 format.
Timings:
00:00:00 - 00:01:47 Introduction
00:01:48 - 00:08:12 Identifying Telephone Components
00:08:13 - 00:10:46 Teensy Controller
00:10:47 - 00:11:26 Fritzing Wiring Diagram
00:11:27 - 00:15:06 Wiring the Telephone
00:15:07 - 00:18:00 Installing TeensyDuino Software
00:18:01 - 01:00:07 Programming the Teensy using the Arduino IDE
01:00:08 - 01:02:13 Loading Recorded Messages using Audacity
01:02:14 - 01:04:02 Batch conversion of Raw Audio Recordings using SOX
01:04:03 - 01:05:17 Wrapup
You can find the code on my GitHub account: https://github.com/playfultechnology/...
A HUGE thankyou to my Patreon supporters who support me to create these video tutorials. If you're interested in finding out more, please do check out Patreon: playfultech , and don't forget to like and subscribe to this channel for more playful project ideas :)
2 سال پیش
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