Serial DB9 RS-232 to TTL UART MAX3232 Converter

£3.00 GBP
The price is for a single piece.
There are 6 pieces in the retail box.
The quantity has to be a multiple of 6.
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Categories: Converter Module

Frequently Bought Together

Total price:£9.00

Introducing the Lonely Binary RS-232 to TTL UART Converter Module – your ultimate bridge between the past and the present! With our brand-new creation, you can break free from the limitations of outdated devices and bring them into the modern era, all while showcasing your love for Lonely Binary, of course!

Unlock the power of connectivity as this tiny, yet mighty, module seamlessly links your legacy device or computer with your beloved board. Say goodbye to communication barriers and embrace the full RS-232 port, granting you direct access to a mesmerizing array of serial peripherals. Lonely Binary has your back every step of the way.

Prepare to be amazed by the magic of our bi-directional converter, effortlessly shifting between serial and TTL communication like a true maestro. And to sweeten the deal, we've even included a breakout jumper lead specifically designed for TTL connection, because we believe in going the extra mile for our loyal Lonely Binary enthusiasts.

Embracing versatility, this exceptional module accepts input ranging from 3V to 5V, ensuring compatibility with a wide range of devices. With a maximum baud rate of 150kbps, it's a speed demon that won't leave you waiting around. Your data will dance effortlessly between the realms of microcontrollers and computers, all thanks to the MAX3232-based level shifter at its core. It's a match made in Lonely Binary heaven!

Let's talk about convenience. Our RS-232 to TTL UART Converter Module boasts a user-friendly design featuring a convenient 4-pin header for effortless 0V, power, RX, and TX connections. But wait, there's more! We've also incorporated a mini USB socket for power supply, giving you even more options to power up your unit. (Note: Mini USB is for power only, but hey, power is essential!)

Join the Lonely Binary revolution and revolutionize your connectivity experience. With our RS-232 to TTL UART Converter Module, you'll bridge the gap between the past and the future with style and finesse. Trust Lonely Binary to bring you cutting-edge solutions, backed by our unwavering commitment to excellence.

Unlock new possibilities, embrace the power of connectivity, and make a statement with Lonely Binary. Get your hands on the RS-232 to TTL UART Converter Module today, and witness the magic firsthand!


What’s in the Box

There are 6 pieces in the retail box.
The listing price is for

  • 1 x RS-232 to TTL UART Converter Module



  • Australia Orders over $55 - Your order will enjoy free shipping via Australia Post Standard Shipping Services. 
  • International Orders over $99 - Your order will be posted via Australia Post Air Mail Services. 

Raspberry Pi board / Micro:bit board / NVIDIA board will be excluded; All PCB orders will not enjoy free shipping. Distributors and wholesale orders are not eligible for free shipping.


At this time, LONELY BINARY is an online-only business, with our products available through This allows us to keep the cost down for the customer. Orders cannot be picked up. 


We ship Australia wide to all addresses, including PO Box, Parcel Locker, etc.All Australian orders will be shipped via Australia Post, Courier Please or Fastway Couriers (Aramex). International Orders will be shipped via Australia Post or DHL. Your order will be shipped within one business day after we receive payment, providing the items are in stock.

  • Standard Shipping
    Sent via standard Australia Post stamped letter mail, typically 5-9 business days. No tracking/support available other than confirmation of dispatch.
  • Express Post
    Sent via Australia Post Express Service, Fastway Courier or Courier Please, 1 – 2 business days for metro orders, potentially longer for orders outside of metro zones, with full tracking.

Non-metro addresses in WA, NT, SA & TAS can take 2+ days in addition to the above information.

Shipping costs for international orders vary depending on location and package size, where possible we have kept this to flat rate charges to reduce confusion. International orders are shipped through Australia Post and DHL courier service depending on the most economical at the time. 


Shipping Method via Delivery Area Delivery Time(business day) Tracking No. Weight Limit
DHL Asia 1-2 YES No Limit
western EU 2-3 YES No Limit
eastern EU 3-5 YES No Limit
North America 2-3 YES No Limit
Australia 2-3 YES No Limit
South America 3-5 YES No Limit
South Africa 3-5 YES No Limit


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