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AJMRTC USB 2.0 to TTL Serial Adapter Module, 5V / 3.3V Selectable Level UART Programmer with PWR TXD RXD LED Indicator Lights for MCU Debug
- - USB 2.0 to TTL UART serial converter for uploading firmware and debugging MCU modules
- - Supports switchable 5V and 3.3V output levels to match different microcontroller circuits
- - Onboard PWR, TXD and RXD LED indicators to monitor power and serial transmission status
- - Standard pin header layout for easy wiring with STM32, Arduino and other development boards
- - Plug-and-play serial communication tool for code flashing, log reading and embedded testing
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Overview
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AJMRTC USB 2.0 to TTL serial programmer converts USB signals into standard TTL UART serial signals. It features selectable 3.3V or 5V logic level to fit most common MCUs, avoiding voltage mismatch damage. Visible PWR, TXD and RXD indicator LEDs let you check power supply and data sending/receiving activity at a glance. This compact adapter is widely used for firmware flashing, serial log viewing and hardware debugging of STM32, ESP series, AVR and other embedded boards. Simple wiring and stable serial transfer make it an essential tool for makers and electronic engineers.
Specifications:
- Brand: AJMRTC
- Interface: USB 2.0 to TTL UART
- Logic Level: 3.3V / 5V Selectable
- Indicators: PWR, TXD, RXD LED Lights
- Function: Serial debugging, firmware programming
- Compatible: STM32, ESP32, ESP8266, AVR, other MCU
- Feature: Stable serial transmission, easy wiring
Warranty & Returns
Warranty, Returns, And Additional Information
Warranty
- Please contact the Seller directly for warranty information. Warranty information may also be found on the Manufacturer's website.
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Return Policies
- Return for refund within: 30 days
- Return for replacement within: non-replaceable
- This item is covered by ConnectFlow USA Return Policy
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