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BIOT-ESP-98501562
Wemos D1 Mini ESP8266 WiFi NodeMCU IoT Module Wireless Microcontroller
Wemos D1 Mini ESP8266 WiFi NodeMCU IoT Module Wireless Microcontroller. Processor: Tensilica L106 32-bit RISC; Clock Speed: 80 MHz (up to 160 MHz)
৳ 310
In stock
Wemos D1 Mini ESP8266 WiFi NodeMCU IoT Module Wireless Microcontroller
Wemos D1 Mini ESP8266 WiFi NodeMCU IoT Module Wireless Microcontroller can be used in compatible electronic projects. Check the specifications below when selecting the part for your circuit.
Technical Specifications
| Parameter | Details |
|---|---|
| Processor | Tensilica L106 32-bit RISC |
| Clock Speed | 80 MHz (up to 160 MHz) |
| Flash Memory | 4 MB |
| SRAM | 50 KB (Usable) |
| WiFi | 802.11 b/g/n (2.4 GHz) |
| Bluetooth | No |
| GPIO Pins | 11 (D0–D8, RX, TX) |
| ADC | 1 (10-bit) |
| PWM Pins | All GPIOs (software-supported) |
| Antenna | On-board PCB antenna |
| Programming Port | USB Type-C |
| Logic Voltage | 3.3V |
| Input Voltage (via USB) | 5V |
| Dimensions | 35 × 25 mm (±1 mm) |
Additional Specifications
| Pin | GPIO | Function | Safe | Remarks |
|---|---|---|---|---|
| D0 | GPIO16 | Wake / No PWM / No I2C | ⚠️ | HIGH at boot; used to wake up from deep sleep |
| D1 | GPIO5 | SCL / I2C | ✅ | General purpose |
| D2 | GPIO4 | SDA / I2C | ✅ | General purpose |
| D3 | GPIO0 | Flash button | ⚠️ | Connected to FLASH button; boot fails if pulled LOW |
| D4 | GPIO2 | Built-in LED | ⚠️ | HIGH at boot; boot fails if pulled LOW |
| D5 | GPIO14 | SCK / SPI | ✅ | General purpose |
| D6 | GPIO12 | MISO / SPI | ✅ | General purpose |
| D7 | GPIO13 | MOSI / SPI | ✅ | General purpose |
| D8 | GPIO15 | CS / SPI | ⚠️ | Required for boot; boot fails if pulled HIGH |
| RX | GPIO3 | UART RX | ⚠️ | Used for flashing/debugging; careful if repurposed |
| TX | GPIO1 | UART TX | ⚠️ | Used for flashing/debugging; careful if repurposed |
| A0 | ADC0 | Analog Input (0–3.3V) | ⚠️ | Input only; cannot be configured as output |
Additional Specifications
| Feature | Wemos D1 Mini | ESP-01 |
|---|---|---|
| USB Port | Built-in | Requires external adapter |
| I/O Pins | 11 GPIOs | 2 GPIOs |
| Power | 5V via USB | 3.3V only |
| Voltage Regulator | Yes | No |
Features and Details
- Processor: Tensilica L106 32-bit RISC
- Clock Speed: 80 MHz (up to 160 MHz)
- Flash Memory: 4 MB
- SRAM: 50 KB (Usable)
- WiFi: 802.11 b/g/n (2.4 GHz)
- Bluetooth: No
- GPIO Pins: 11 (D0–D8, RX, TX)
- ADC: 1 (10-bit)
- PWM Pins: All GPIOs (software-supported)
- Antenna: On-board PCB antenna
- Programming Port: USB Type-C
- Logic Voltage: 3.3V
- Input Voltage (via USB): 5V
- Dimensions: 35 × 25 mm (±1 mm)
- How to Install ESP8266 Board in Arduino IDE
- Wemos D1 Mini Hookup Guide
- Wemos D1 Mini Datasheet
- Wemos D1 Mini Schematic
| Country of origin | China |
|---|
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