Vocal Recorder/Player 20 seconds

By Boris Landoni on January 21, 2019

Based on the ISD1730 chip, this card allows you to record and play voice messages of up to 20 seconds.
The card has a microphone, audio input, 8 ohm speaker, AUX output, function control buttons and an LED that lights up when the chip is being recorded.
Power supply from 2.4 V to 5.5 V, dimensions (mm): 91.45 (length) x 68.60 (width) x 1.6 (thickness), mounted recorder weight: 74 grams…..

About Boris Landoni

Boris Landoni is the technical manager of Open-Electronics.org. Skilled in the GSM field, embraces the Open Source philosophy and its projects are available to the community.

OpenSource Products

TOTEM: learning by experimenting
Let’s learn about an interesting educational platform that allows...
- Posted 3 months ago
- 0
Air Quality Sensor – PM2.5, PM10
This module uses the principle of optical LASER light scattering...
- Posted 3 months ago
- 1
Small solar cell (0,5 V / 800 mA)
Photovoltaic cell with very small dimensions, suitable for carrying out...
- Posted 5 months ago
- 1
The cheapest Arduino alternative: PRO MIDI 1284P
It is halfway between an Arduino Mini (in size)...
- Posted 5 months ago
- 3
Chip 1 IN – 4 OUT USB 2.0 High Speed
The FE1.1s chip is a high-performance, low-power integrated circuit that...
- Posted 5 months ago
- 0
Display Oled 1.3 inch
1.3″ Organic Light Emitting Diode (OLED) Display with good contrast,...
- Posted 6 months ago
- 0
PRO midi 1284P Developer’s Board
Developer’s board specially made for use with the PRO midi...
- Posted 6 months ago
- 0
ARDULEGO KIT: create with Lego and Arduino
Lots of components to make applications that can be...
- Posted 6 months ago
- 0

Tutorials

PCB CAD, A SELECTION GUIDE
Getting to know and evaluate the software offer for PCB,...
- Posted 1 year ago
- 0
DIY Sensor – Innovation & Implementation
A sensor converts data such as heat, light, sound,...
- Posted 2 years ago
- 0
Getting Started with the ESP32
This article is a getting started guide for the ESP32...
- Posted 3 years ago
- 0

Mods and Hacks

The flame that doesn’t burn
Based on Neopixel and a special ultra-thin Arduino, it simulates...
- Posted 10 months ago
- 1
Here are the Winners from the 3Drag 3d printing contest
Here we are, eventually the contest has come to an...
- Posted 8 years ago
- 0
Updates from the 3Drag 3dprinting contest: Roland Hoffert’s Hacks
Roland Hoffert, from www.eytec.de, submitted us this 3Drag (Velleman K8200...
- Posted 8 years ago
- 0
Updates from the 3Drag 3dprinting contest: Karl Seiss’s Hack
Karl Seiss from Austria made a very clever hack to...
- Posted 8 years ago
- 0

Opinions

PCB Recycling: The Core of Your Electronics Is More Valuable Than You Think
The screen you are looking at this very moment will...
- Posted 10 months ago
- 4
PCB CAD, A SELECTION GUIDE
Getting to know and evaluate the software offer for PCB,...
- Posted 1 year ago
- 0
The Open Source community united against Covid-19
On March 11, WHO (World Health Organization) officially declared the...
- Posted 3 years ago
- 0
Coronavirus: Now Is The Time For Solidarity
The moment we are living, in China before and all...
- Posted 3 years ago
- 0

Popular
Latest
Comments

Arduino ISP (In System Programming) and stand-alone circuits
We use an Arduino to program other ATmega without...
- Posted 11 years ago
- 225
Arduino GSM shield
This is a very low...
- Posted 12 years ago
- 218
Localizer with SIM908 module
The device is based on a GSM/GPRS module with...
- Posted 11 years ago
- 187
GSM GPS shield for Arduino
Shield for Arduino designed and based on the module...
- Posted 10 years ago
- 181
Small Breakout for SIM900 GSM Module
Some post ago we presented a PCB to mount...
- Posted 12 years ago
- 115

“Colors of Italy” the interactive map of Italy based on the latest Decree
In Italy, during this pandemic period, Decrees of the...
- Posted 2 months ago
- 0
Control a Nintendo Gamecube with a PS3 controller
If you are a lover of Retrogaming and do...
- Posted 2 months ago
- 0
A pull-up bar that rewards you with Tic Tacs
To be more motivated during exercise, Nikolas has decided...
- Posted 2 months ago
- 0
Never lose your phone again
Who has never left their phone in one place...
- Posted 2 months ago
- 0
How to emulate an Xbox controller with Arduino
A very cool project you can do with an...
- Posted 2 months ago
- 0