LaskaKit ESP8266 D1 mini

Product detailed description

The LaskaKit ESP8266 D1 mini is an improved version of the popular Wemos D1 mini. It features an integrated Li-ion battery charger (TP4054), low power consumption in deep-sleep mode, a µŠup I2C connector, and optional battery voltage measurement or a classic ADC input. Ideal for wireless IoT applications with battery power.

Key features:

• ESP-12S module with ESP8266 chip and 4MB flash
• Integrated TP4054 charging circuit for Li-ion / Li-Pol battery
• Charging current adjustable by jumper:
  • 0.4 A (default)
  • 0.26 A (by changing the jumper)
• µŠup I2C connector (power + SDA + SCL)
• Very low power consumption in sleep mode – approx. 22 µA
• Wake-up jumper for waking from deep-sleep
• Switchable analogue input:
  • 0–3.2 V (default, classic mode as with Wemos D1 mini)
  • Battery voltage measurement (by changing the jumper)
• Full compatibility with Arduino IDE, ESPHome, MicroPython, etc.

Specifications:

• Wi-Fi: IEEE 802.11 b/g/n
• ESP8266 ESP-12S, 4MB Flash
• Power supply: 5 V via micro USB, or 3.4-4.2 V via Li-ion battery
• USB connector: USB-C
• I2C connector: μŠup, STEMMA QT, Qwiic JST-SH-4
• Deep-sleep consumption: approx. 22 µA
• Dimensions: approx. 34.5 × 25.5 x 8 mm

Package contents:

• 1× LaskaKit ESP8266 D1 mini

Comment:

• This product is not a standalone functional unit and may require professional installation.
• Product images are for illustration purposes only and may sometimes differ from the actual appearance of the item. However, this does not change their basic characteristics.
• Further notes or warnings, if needed.