
MCP3421 18-bit High Precision ADC Module GY-MCP3421 I2C
Prices updated: 13 Oct 2026
Compare prices
| Store | product | Price | View in store |
|---|---|---|---|
UGECheapest | MCP3421 18 bit high precision ADC conversion module | 400 EGP | View in store |
Microohm | MCP3421 18 Bit High Precision ADC Conversion Module – GY-MCP3421 I2C | 500 EGP650 | View in store |
Price history
Lowest daily price, last 90 days
Lowest price recorded: 400 EGP
About this product
GY-MCP3421 is a breakout module built around the Microchip MCP3421, an 18-bit analog-to-digital converter with differential input, programmable gain and an I2C interface. It suits precise measurements such as sensor bridges, load cells and low-level voltage signals read by microcontrollers.
Specifications
- Resolution
- 18-bit
- Interface
- I2C
- Input type
- Differential
- Programmable gain
- Yes
- Supply voltage
- 2.7V to 5.5V
Frequently asked questions
What is the price of MCP3421 18-bit High Precision ADC Module GY-MCP3421 I2C in Egypt?
MCP3421 18-bit High Precision ADC Module GY-MCP3421 I2C currently costs between 400 and 500 EGP across 2 offers in Egypt.
Where can I buy MCP3421 18-bit High Precision ADC Module GY-MCP3421 I2C in Egypt?
MCP3421 18-bit High Precision ADC Module GY-MCP3421 I2C is available from UGE and Microohm. Compare the offers above to find the best price.
How do I connect it to a microcontroller?
Connect VCC and GND for power, and SDA and SCL to the microcontroller's I2C pins. Check whether the module already includes I2C pull-up resistors before adding external ones, and make sure the logic level matches your board.
Can it run on 3.3V boards such as ESP32?
The MCP3421 supply range is 2.7V to 5.5V, so a 3.3V supply is within range. Confirm that the module's pull-up resistors and I2C voltage match the 3.3V logic level of the microcontroller.







