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🔗 Connect smarter, not bigger — power your serial projects with precision!
The HiLetgo 10pcs Mini RS232 to TTL MAX3232 Level Converter Boards deliver reliable serial communication conversion within a compact 9.4mm x 15.9mm form factor. Supporting a voltage range of 3V to 5V and featuring the trusted MAX3232CSE chip, these boards enable seamless RS232 to TTL signal translation. Ideal for microcontrollers and single-board computers, the pack of 10 ensures you’re ready to tackle multiple projects or complex debugging tasks with ease.
| ASIN | B00LUDCAXQ |
| Best Sellers Rank | #45,374 in Computers ( See Top 100 in Computers ) #121 in Serial Adapters |
| Brand | HiLetgo |
| Color | blue |
| Colour | blue |
| Compatible Devices | Microcontroller, Single-Board Computer, Electronic Circuit |
| Compatible devices | Microcontroller, Single-Board Computer, Electronic Circuit |
| Connector Type | Serial Adapter |
| Connector type | Serial Adapter |
| Customer Reviews | 3.6 out of 5 stars 107 Reviews |
| Input Voltage | 5 Volts |
| Item Weight | 0.02 Kilograms |
| Item weight | 0.02 Kilograms |
| Manufacturer | HiLetgo |
| Mfr Part Number | 3-01-0290 |
| Model Number | 3-01-0290 |
| Nominal Power | 0.5 Watts |
| Number of Items | 10 |
| Number of Ports | 1 |
| Package Quantity | 1 |
| Power Plug Type | No Plug |
| Smart Home Compatibility | Not Smart Home Compatible |
| Specific Uses For Product | personal |
| Specific uses for product | personal |
| UPC | 702082655627 |
| Unit Count | 10.0 Count |
K**R
Worked great for my application.
No issues with heat. I used 3.3V to power the board. George did a good job in the photo section above and it is spot on. My use case was a little different as what I needed was to tap into a RS232 working line and probe it with a logic analyzer. So, it was two RS232 > TTL lines; one on each side of the board. This let me probe both the TX and RX at the same time. I used AI to help me write a program to read the MODBUS output of a MPPT controller. This little board worked great and I learned a lot. Worth the $.
A**R
works as discribed.
a little fiderly to conect up, work well have used several.
C**O
falls apart from heat of solder
This was very amateur construction, soldering to a pad causes the internal connection to the pad to separate and the pad to separate from the board. Even the bare minimum solder temperature causes failure. JUNK.
D**Y
There are actually 10 of these things in the bag
At first, I thought they had only shipped me one board because it was in a single small bag, but the boards are just barely larger than the MAX232 chip, so there *were* 10 of them. These things are minimal -- no header pins or wires, but they have the caps that make them work so you don't have to design a board. I'm powering one with 3.3v, and that seems to work. I wasn't sure it would, but so far, so good.
P**A
Blood pressure goes to dangerous levels when you work with those chips
If you are payed 20$ an hour and time is money save yourself 100$ by buying something else. The chip works (that is the reason for the second star) but to use it I had to spend 5 hours soldering. The data pins do not have holes and if you solder anything to the metal straps they come off at the slightest pressure. And I do not mean that what you have soldered comes off. The metal strip from the board comes off making the board unusable. Finally I came up with a design that holds and works.. The other think is how much power those chips take. When I connect it it dims the lid and they become pretty hot. I doubt they can be used for a project that runs 24 hours.... In other words save yourself some time, keep your blood pressure down and buy something else.
Trustpilot
3 weeks ago
2 months ago