HiLetgo 3pcs ESP8266 ESP-01 Serial WiFi Wireless Transceiver Wireless Module Development Board LWIP AP+STA Compatible with Arduino
Product ID: 17420903
⚡Low power 3.3V operation
💾1MB onboard flash memory
📶Dual-mode WiFi (AP+STA)
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🚀 Unlock the future of IoT with the ultra-compact ESP8266 WiFi module!
The HiLetgo ESP8266 ESP-01 is a compact, low-power WiFi transceiver module featuring 1MB flash memory and support for AP, STA, and combined modes. Designed for seamless integration with Arduino and other microcontrollers, it offers robust wireless security and versatile GPIO connectivity, making it a top choice for innovative IoT projects and smart home automation.
| Best Sellers Rank | #126 in Computer Networking Transceivers |
| Customer Reviews | 4.2 out of 5 stars 240 Reviews |
K**H
Small IoT device with lots of functionality.
I love ESP8266 devices. I have about a dozen in my house serving different purposes. These are so small they can fit anywhere, and use very little power. I load ESP Easy on the IoT device, and use them for thermometers, motion sensors, door (reed) switches, and relays to turn on/off lights. The possibilities are endless!
C**B
Under Rated For 2026
Highly underrated in 2026 for esp-now us with other boards like pi picos or yd-rp2040's. Great value for money. Fast connection and speed. They are tiny and weigh almost nothing. Their functionality is where I think they are underacted as using them as a module vs a mcu. Great quality. Just put in an order for more and and order for the S variants.
B**B
Useful ESP-01 modules for project work
These ESP-01 modules have worked flawlessly in my setup so far. The multi-pack is useful for small Wi-Fi projects and for keeping backup modules available. I am giving four stars rather than five because I have not done long-term testing on every board in the pack. I plan to keep testing them in future projects and will update this review if anything changes.
L**Z
Excelente producto
Funciona perfectamente.
C**Z
3d printer wifi upgraded
Bought this for upgrading our prusa mini 3d printer. It’s was so easy just plug and play and download update for prusa also, a few other steps and bam, no more unplugging and plugging the usb stick. Perfect purchase and fast shipping.
Y**O
Rip off
Worst item, did not even work and seller would even give a refund
D**N
Worked great!
Worked great out of the box and using ChatGPT, it was really easy to get the device doing things. Recommend and will buy more.
A**M
One of the three did not work (broken)
Quickstart: download ESP8266 library for the Arduino IDE. In Tools, select Board: "Generic ESP8266 Module". Change Builtin LED "1". Plug into an auto-download programmer/adapter and hit upload. You can upload a blank sketch, Blink example sketch or whatever. The blue LED should light up. One of my three did not light up or program. It seems like at least one customer had a bad batch for all three.
A**R
Great and tiny board for tons of IoT development projects
Great and tiny board for tons of IoT development projects. Can link up to other boards such as the Arduino, or can be completely reflashed with custom firmware. Great for intermediate hobbyists.
J**N
Three Stars
Fine.
M**E
Still amazed by this little board
Amazing product. No problems with product or supplier
V**E
Five Stars
Always great little devices. Delivery was quicker than expected.
A**R
Five Stars
Excellent value, arrived well before schedule
Trustpilot
4 days ago
2 weeks ago