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125Khz Rfid Ttl Base Board With EM-18 Module
₹452.00 (Inclusive of GST)
APR33A3 – 8 Channel Voice Recorder & Playback Module
₹751.00 (Inclusive of GST)
- 8 Recording/Playback Channels (individual trigger support).
- Working Voltage:
- 5V DC via white RMZ connector
- 7–12V DC via barrel power connector
- Current Consumption: ~500 mA
- Recording Time: 10 minutes total (shared across 8 channels)
- Microphone: On-board electret mic
- Speaker Output: 0.5W (via onboard LM386 audio amplifier)
- Playback & Record Controls: Dedicated onboard switches
- Status Indicator: LED
- Microcontroller Interface: TTL-level trigger pins (active LOW)
- AUX Input: 3.5 mm jack for audio input (phone/laptop)
- Gain Adjustment: On-board potentiometer
Description
The APR33A3 Voice Recorder & Playback Module is a standalone audio recording chip with 8 individually addressable channels. It is ideal for projects requiring high-quality, low-cost audio playback without external memory or complex programming.
Key features:
- Built-in microphone and simple recording controls
- Integrated high-quality memory for storing voice/audio files
- Onboard LM386 amplifier for driving speakers
- TTL trigger pins allow microcontroller-based control (Arduino, ESP32, PIC, etc.)
- External audio input via AUX for clearer recordings
- Suitable for embedded voice applications such as toys, DIY devices, greeting cards, and interactive displays
Playback control includes start, stop, repeat, channel-specific play, and record functions, depending on the wiring and mode.
PACKAGE INCLUDES:
- 1× APR33A3 Voice Recorder & Playback Module
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Applications
- Talking toys
- Greeting cards
- Consumer appliances (voice prompts)
- Interactive models
- Educational Kits
- Voice alerts & announcements
- Display kiosks
- DIY electronics projects
TECHNICAL SPECIFICATIONS
| Parameter | Value |
| Working Voltage | 5V (RMZ) / 7–12V (DC jack) |
| Current Draw | ~500 mA |
| Channels | 8 |
| Recording Time | 10 minutes total |
| Memory Type | Embedded flash |
| Speaker Output | 0.5W @ 8Ω |
| Audio Amp | LM386 |
| MIC Type | Electret condenser |
| Weight | ~0.1 kg |
| Dimensions | 5 × 10 × 5 cm |
| HSN Code | 85177010 |
| Manufacturer | Graylogix |
Datasheet
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