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HiLetgo 2pcs ESP8266 NodeMCU LUA CP2102 ESP-12E Internet WiFi Development Board Open Source Serial Wireless Module Works Great with Arduino IDE/Micropython (Pack of 2PCS)

HiLetgo 2pcs ESP8266 NodeMCU LUA CP2102 ESP-12E Internet WiFi Development Board Open Source Serial Wireless Module Works Great with Arduino IDE/Micropython (Pack of 2PCS)

Q: how do i get it working on osx

Since I had a bit of trouble figuring this out as most of the info I found is for Windows, here are the steps to get this working with the Arduino IDE on a Mac: 1. Download the Mac VCP drivers at https://www.silabs.com/products/development-tools/software/usb-to-uart-bridge-vcp-drivers 2. Install the drivers, and make sure you authorize any security prompts that appear while installing 3. (On recent macOS releases) Open System Preferences > Security & Privacy > General. You’ll see a message about the Silabs driver being blocked at the bottom. Click “Allow” 4. Download and install the Arduino IDE 5. Open Arduino Preferences and paste the URL below in Additional Board Manager URLs: http://arduino.esp8266.com/stable/package_esp8266com_index.json 6. Go to Tools > Board > Board Manager> Type “esp8266” and download the Community esp8266 and install 7. Set up your chip as: Tools > Board > NodeMCU 1.0 (ESP-12E Module) Tools > Flash Size > 4M (3M SPIFFS) Tools > CPU Frequency > 80 Mhz Tools > Upload Speed > 921600 Tools > Port > /dev/cu.SLAB_USBtoUART (leave the rest as-is) 8. Open File > Examples > ESP8266 > Blink 9. Compile and Upload. After it's done uploading, the red led should start blinking in your board.

Q: How many output amps can this handle?

The AMS1117-3.3 chip (3.3v regulator) looks like it has a maximum load of 1.5A. So that minus whatever the ESP itself draws. To be on the safe side, I'd limit the current draw off the 3.3v supply to around 500mA.

Q: Is there a built-in micro sd card? (description says it does, but the two units i received don't seem to have a slot for inserting an sd card).

I think you might be reading the description wrong. It does say "Built-in Micro-USB" and that is not the same as micro sd. I have not seen a description stating it supports a micro sd.

Q: What firmware or program is already onboard? when i connect at 115200 baud it shows the nearby ssids, but i don't know how to send commands.

If you only see nearby SSIDs, it means that your board has the "WiFiScan.ino" load on the board. You can see the source here - https://github.com/esp8266/Arduino/blob/master/libraries/ESP8266WiFi/examples/WiFiScan/WiFiScan.ino "AT" commands won't do you any good since it is not loaded. There are a couple of instruction you can read here - https://github.com/esp8266

Product ID: 256334315

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Details

Brand
HiLetgo
Model name
ESP-12E
Installed RAM memory size
1 MB
Memory storage capacity
1E+6 Bytes
CPU speed
80 MHz

⚡80 MHz high-speed processor

📶802.11b Wi-Fi connectivity

🔌Built-in Micro-USB with flash/reset switches

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Description

🚀 Power your IoT dreams with lightning-fast, plug-and-play Wi-Fi dev boards!

DOUBLE THE INNOVATION - Pack of 2 boards to prototype faster or collaborate without compromise.
PLUG PLAY MICRO USB - Flash and reset your board easily with onboard switches—no extra tools needed.
SEAMLESS WI FI INTEGRATION - Connect effortlessly with 802.11b wireless tech for instant IoT projects.
TURBOCHARGED 80 M HZ PROCESSOR - Experience smooth, high-speed performance for complex coding tasks.
ARDUINO IDE MICRO PYTHON READY - Jumpstart your development with broad compatibility and open-source support.

The HiLetgo ESP8266 NodeMCU CP2102 ESP-12E is a compact, high-performance Wi-Fi development board featuring an 80 MHz processor, built-in Micro-USB with flash/reset switches, and full compatibility with Arduino IDE and MicroPython. Perfect for professionals and makers aiming to accelerate IoT projects, this pack of two offers versatile, open-source wireless connectivity solutions.

Specifications

Brand	HiLetgo
Product Dimensions	12.7 x 9.5 x 1.3 cm; 40.82 g
Item model number	3-01-0268
Manufacturer	HiLetgo
Color	Pack of 2PCS
Processor Speed	80 MHz
Processor Socket	DIP
Memory Clock Speed	80 MHz
Connectivity Type	Wi-Fi
Wireless Type	802.11b
Voltage	5 Volts
Are Batteries Included	No
Item Weight	40.8 g

Have a Question? See What Others Asked

how do i get it working on osx

How many output amps can this handle?

Is there a built-in micro sd card? (description says it does, but the two units i received don't seem to have a slot for inserting an sd card).

What firmware or program is already onboard? when i connect at 115200 baud it shows the nearby ssids, but i don't know how to send commands.

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