Sound sensors
DFRobot Gravity analog sound sensor
Model DFR0034
Microphone with amplifier that outputs sound intensity as an analog signal.
DFRobot · Sound sensors
DFRobot Gravity offline voice recognition module (121 commands)
Model: SEN0539-EN
Offline voice recognition module with 121 built-in commands and customizable commands.
- Price on request, in US dollars with invoice
- Ordered directly from the manufacturer DFRobot, with import and delivery throughout Ecuador
- Technical advice to choose the right model
More DFRobot products
Sound sensors
DFRobot Gravity analog sound level meter
Model SEN0232
Sound level meter that measures sound pressure level in decibels.
Arduino boards
DFRobot DFRduino UNO R3, Arduino UNO compatible
Model DFR0216
Development board based on the ATmega328P, fully compatible with Arduino UNO R3. Ideal for learning programming and electronics in classrooms and labs.
Arduino boards
Original Arduino Uno Rev3
Model DFR0181
Official Arduino Uno Rev3 board with ATmega328P microcontroller, 14 digital pins and 6 analog inputs. It is the reference board for getting started with Arduino.
Arduino boards
Arduino UNO R4 WiFi
Model DFR1084
Arduino UNO R4 board with 32-bit Renesas RA4M1 microcontroller, ESP32-S3 module for WiFi and Bluetooth, and built-in 12x8 LED matrix.
Arduino boards
Arduino UNO R4 Minima
Model DFR1085
Budget version of the Arduino UNO R4 with a 32-bit Renesas RA4M1 microcontroller at 48 MHz and USB-C connector, compatible with the UNO form factor.
Arduino boards
Arduino UNO Q (4 GB LPDDR4, 32 GB eMMC)
Model DFR1256
Arduino UNO Q board combining a Linux processor with a real-time microcontroller, with 4 GB of RAM and 32 GB of eMMC storage.
Arduino boards
Original Arduino Mega 2560 Rev3
Model DFR0108
Official Arduino Mega 2560 board with 54 digital pins and 16 analog inputs, designed for projects with many inputs and outputs.