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HiLetgo

HiLetgo 0.96" ESP32 OLED ESP-WROOM-32 ESP32 ESP-32 OLED WiFi Bluetooth Development OLED Display for Arduino AP STA

    • Based on 47 reviews
Condition: New
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This item's return window has been extended for the holiday season: Returnable until Jan 31, 2025

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Availability: In Stock.
Fulfilled by Amazon
Arrives Tuesday, Nov 26
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Features

  • Feature: Integrated antenna and RF Barron
  • Characteristic: 2.4 GHz dual-mode Wi-Fi
  • Characteristic: Bluetooth low power technology
  • Characteristics: Using AP, STA and AP and STA LUA program support
  • Strong points: A wide range of safe, reliable and scalable applications for the TSMC 40nm chips

Description

ESP-WROOM-32 ESP32 ESP-32 0.96" OLED Display WIFI-BT for Arduino AP STA Description: ESP32 has integrated antenna and RF Barron, power amplifier, low noise amplifier, filter and supply Management module. The entire solution is the smallest PCB area. The board is 2.4 GHz dual-mode Wi-Fi and Bluetooth low power technology, with a wide range of safe, reliable and scalable applications for the TSMC 40nm chips, power and best RF features. Features: high-performance price ratio, small size, easy embedding to other products powerful, with the support of the LwIP protocol, support three modes: using AP, STA and AP and STA LUA program support, easy to develop Package included: 1 ESP-WROOM-32 ESP32 ESP-32 0.96" OLED Display WIFI-BT for Arduino AP STA

Brand: HiLetgo


Model Name: ESP-WROOM-32 ESP32 ESP-32


Memory Storage Capacity: 2 MB


Connectivity Technology: Bluetooth, Wi-Fi


Included Components: ESP-WROOM-32 ESP32 ESP-32 0.96" OLED Display WIFI-BT for Arduino AP STA


Is Discontinued By Manufacturer ‏ : ‎ No


Package Dimensions ‏ : ‎ 4.41 x 2.28 x 0.31 inches; 0.35 ounces


Item model number ‏ : ‎ 8541582783


Date First Available ‏ : ‎ July 14, 2017


Manufacturer ‏ : ‎ HiLetgo


Best Sellers Rank: #3,115 in Single Board Computers (Computers & Accessories)


Customer Reviews: 4.1 4.1 out of 5 stars 47 ratings


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Tuesday, Nov 26

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

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Top Amazon Reviews

    • Nice development board
This board is very easy to use with the Arduino IDE.Great little board for all your internet-enabled projects, the built in display is just awesome for debugging and status. A complete development system- text, graphics, GPIO, SPI, I2C, serial, USB, dual core processor, Bluetooth, wifi, programmable with Arduino tools, Lua, c, micro - Python ... show more
Reviewed in the United States on April 22, 2019 by Jo J
    • Super practical to have an integrated display
The media could not be loaded. Have you ever coded an iot device only to have it fail once it's disconnected from your computer? The integrated display is a great way to show loading messages - for example: "connecting to wifi", "sleeping", "lost IP address etc. And once booted, the display is a great way to display a small dashboard. See my video - the screen is large enough for 4 stats on it. Lots of good uses for this one! ... show more
Reviewed in the United States on January 10, 2019 by Anil
    • Nice ESP32 board, but has PWM issues at low frequencies
This is a very nice ESP32 board. The integrated OLED display is super-convenient for debugging and IoT projects that can benefit from a display. Everything works as expected when coding via MicroPython, and GPIO operation is generally solid, but PWM output has some issues at lower frequencies (<5 kHz). This isn't a big deal for most applications, but servo motors operating at 50 Hz can't be driven using PWM -- I tried this with 4 different kinds of servos with no luck, and finally had to write a custom loop to manage the timing "by hand". ... show more
Reviewed in the United States on June 14, 2022 by dx
    • Five minutes to IoT!
Review Image by e.p. e.p.
Five minutes to IoT! This board is very easy to use with the Arduino IDE. 1) Add the additional board manager URL by going to File->Preferences 2) Add the ESP32 boards by going to Tools->Board->Board Manager and typing "ESP32" in the search bar 3) Select "WEMOS LOLIN32" from Tools->Board. Ensure you have the correct COM port. 4) Pick a sketch from File->Examples and upload to the board. I used "SimpleTime" which connects to your wifi (enter SSID and password on lines 4 and 5 of the sketch) and gets the current time using NTP. It then echoes this time to the serial monitor. Bottom right shows the client list from my router showing the ESP32 has connected. Great little board for all your internet-enabled projects, the built in display is just awesome for debugging and status. ... show more
Reviewed in the United States on October 24, 2018 by e.p. e.p.
    • No instructions or schematic.
There are definitely some gotchas with this board. As far as i can tell there is no schematic. I emailed the company (Hiletgo) and no response. Gotcha #1. You must press and hold the BOOT button for a few seconds when Arduino or Pio starts to program. Workaround: solder 1.0uF cap from pin 3 (EN) on the module to pin 1 (GND). Gotcha #2. OLED uses gpio 4 and 5 for I2C. Do not use these for other purposes else your display will not work. Gotcha #3. GPIO12 (Pin MTDI) must be logic low on power up or else micro won't boot up. Gotcha #4. GPIO0 must be logic HIGH on power up or else micro won't boot up. ... show more
Reviewed in the United States on October 31, 2022 by J. Shanahan
    • Works
Bought this and installed TiltBridge to access my Tilt hydrometer. This device worked great and have had no issues with it. Paired with the appropriate software it allowed me to view my hydrometer parameters via network, even while out of town. The other day I noticed it was still plugged in and running after about 4 months continuously screen is still bright. No issues connected right to WiFi and Bluetooth worked great from about 12 feet through a brick wall and mini fridge. ... show more
Reviewed in the United States on January 6, 2024 by Name Required
    • Best electronics display combo for the price!
Review Image by Dillon Dillon
Review Image by Dillon Dillon
Review Image by Dillon Dillon
Review Image by Dillon Dillon
This is a great dev board for any project that needs a display. No extra connections needed except USB for power. Would be great to display local weather, time for the nearest bus or train, or status on other smart home sensors. Get started by installing ESP32 support in the Arduino IDE and downloading the ThingPulse/esp8266-oled-ssd1306 library from GitHub. It includes a few examples to get started (attached photos taken from this example code). I'm really excited to play with this board some more. ... show more
Reviewed in the United States on May 31, 2018 by Dillon Dillon
    • Extremely confusing pinouts
This board is great... unless you want to actually connect the pins to anything. I thought the build-in display would be a nice convenience, and instead ended up with hours and hours of pain. It comes with zero instructions. The HiLetgo website is currently not really even loading (I get some HTML that partially loads without CSS). Fine, I'm comfortable with a simple pinout diagram. I first tried to attach a sensor to a GPIO pin, and all of a sudden started received errors when trying to flash the device. Tried pins 5 and 4, and it flashed fine — except those are required for the SSD1306. Ooookay... try a different pin? nope, another flash error: —— Configuring flash size... Warning: Could not auto-detect Flash size (FlashID=0xffffff, SizeID=0xff), defaulting to 4MB Compressed 8192 bytes to 47... A fatal error occurred: Timed out waiting for packet content —— This happens every time I have anything at all connected to (most) pins. I bought two of these boards, so it's not a problem with the device itself. Want to use I2C? Good luck. It's used by the display, and I've yet to figure out how to use something like the SHT31 for a temperature/humidity reading. One reviewer seemed to indicate that he got it working with What are the alternate (0x45) I2C pins? I still have no idea. ... show more
Reviewed in the United States on April 5, 2020 by Zane

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