2 channel Logic Level Converter (I2C, UART, 5V-3.3V)
2 channel Logic Level Converter (I2C, UART, 5V-3.3V)
2-Channel Logic Level Converter (I2C, UART, 5V 3.3V)
Safely bridge 5V and 3.3V devices with this compact bidirectional 2-channel logic level converter. Ideal for connecting Arduino (5V) to Raspberry Pi, sensors, displays, and other 3.3V peripherals over I2C or UART without risking damage. Available from The Tech Depot, Bengaluru with fast shipping and full technical support.
Specifications
| Channels | 2 Bidirectional |
| High-Side Voltage (HV) | 5V (supports up to 5.5V) |
| Low-Side Voltage (LV) | 3.3V (supports 1.8V-3.3V) |
| Supported Protocols | I2C, UART, SPI (data lines), GPIO |
| Conversion Method | MOSFET-based bidirectional level shifting |
| Max Data Rate | Up to 400 kHz (I2C), suitable for standard UART baud rates |
| Onboard Components | 2x BSS138 N-channel MOSFETs, 4x 10kOhm pull-up resistors |
| Pin Configuration | HV, LV, GND, CH1 (HV/LV), CH2 (HV/LV) |
| Board Dimensions | ~15mm x 10mm (compact breakout) |
| Operating Temperature | -40 degreesC to +85 degreesC |
| Breadboard Compatible | Yes |
| Type | Electronics Module / Breakout Board |
| Origin | Original/Authentic |
| Warranty | 7-day warranty on manufacturing defects |
| Support | Email & WhatsApp 24/7 |
Why Choose This?
- True bidirectional conversion: BSS138 MOSFET design allows data to flow both ways - essential for I2C (SDA/SCL) and UART (TX/RX) communication
- Protects your 3.3V devices: Prevents 5V signals from damaging sensitive components like Raspberry Pi GPIO, ESP8266, ESP32, and BME280 sensors
- Built-in pull-up resistors: Onboard 10kOhm pull-ups on both sides mean no extra components needed for I2C lines
- Ultra-compact form factor: Tiny breakout board fits easily on breadboards and inside enclosures
- Flexible voltage range: Low side supports 1.8V to 3.3V, making it compatible with a wide range of modern low-voltage ICs
- 100% authentic from trusted suppliers
- 1-5 day shipping, 7-8 day delivery from Bengaluru warehouse
- Expert technical support included
How It Works
Each channel uses a BSS138 N-channel MOSFET with pull-up resistors on both the high-voltage and low-voltage sides. When a low-side device pulls a line LOW, the MOSFET conducts and pulls the high side LOW as well - and vice versa. When neither side is pulling LOW, the pull-up resistors hold both sides HIGH at their respective voltage levels. This elegant design enables safe, reliable bidirectional communication without any active ICs or external power beyond the reference voltages.
Pin Configuration
| Low-Voltage Side | High-Voltage Side |
| LV (3.3V reference input) | HV (5V reference input) |
| GND | GND |
| LV1 (Channel 1 - 3.3V side) | HV1 (Channel 1 - 5V side) |
| LV2 (Channel 2 - 3.3V side) | HV2 (Channel 2 - 5V side) |
Typical Wiring - I2C Example (Arduino to 3.3V Sensor)
| Connection | High Side (5V) | Low Side (3.3V) |
| Power Reference | HV -> Arduino 5V | LV -> 3.3V supply |
| Ground | GND -> Arduino GND | GND -> Sensor GND |
| SDA (Channel 1) | HV1 -> Arduino SDA (A4) | LV1 -> Sensor SDA |
| SCL (Channel 2) | HV2 -> Arduino SCL (A5) | LV2 -> Sensor SCL |
Project Ideas
Frequently Asked Questions
When will I receive my order?
Products ship within 1-5 days from our Bengaluru warehouse. Delivery within 7-8 days to most locations across India.
Is technical support available?
Yes, 24/7 support via email and WhatsApp for setup, troubleshooting, and application guidance.
What is your return policy?
7-day returns on manufacturing defects only. Full refund or replacement. Not applicable for user damage or misuse.
Are bulk discounts available?
Yes, wholesale pricing on orders of 10+ units. Contact us via WhatsApp or email for a custom quote.
Buy 2 channel Logic Level Converter (I2C, UART, 5V-3.3V) Online in India
Purchase the 2 channel Logic Level Converter (I2C, UART, 5V-3.3V) online at The Tech Depot - India's most trusted electronics components store. We deliver across all major cities including Bengaluru, Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata, Ahmedabad, Jaipur, and Surat. Get the best price on 2 channel Logic Level Converter (I2C, UART, 5V-3.3V) with fast 1-5 day shipping from our Bengaluru warehouse. All products are 100% authentic, sourced from authorized distributors with 7-day warranty on manufacturing defects.
Looking to buy 2 channel Logic Level Converter (I2C, UART, 5V-3.3V) at the best price in India? The Tech Depot offers competitive pricing, bulk discounts for orders of 10+ units, and dedicated technical support via email and WhatsApp. Whether you are a hobbyist, student, or professional engineer, we have everything you need for your electronics projects.