• Dual bases for all Wemos D1 Mini modules and shields.
• Duplicate I/O and power supply for enhanced flexibility.
• Designed for 3.3V I/O compatibility only.

• Supports 802.11 b/g/n WiFi
• Wi-Fi Direct (P2P) & Soft-AP functionality
• Integrated TCP/IP protocol stack for easy internet communication
• Built-in Power Management with low standby consumption.

• Adjustable voltage step-up converter for 18650 Li-ion batteries
• Supports both charging and discharging functions
• Compact PCB module design
• Ideal for DIY power bank projects

• Compact Design: Ideal for small projects with limited space.
• Versatile Power Options: Supports 5V, 3.3V, 12V, and other input voltages.
• Reliable Output: Provides a high signal when pressed and low when not.
• Simple Connection: Easy to integrate into various circuits and applications.

Discover the Arduino Nano ATmega328p, a powerful microcontroller board designed for a variety of electronic projects in Bangladesh. Featuring the Atmel ATmega328 microcontroller, it operates at 5V with a recommended input voltage of 7-12V. With 14 digital I/O pins and 8 analog input pins, it offers versatile connectivity and performance for your DIY electronics.

Specifications:

• CORE-ESP32-C3
• ESP32-C3 main control, main frequency 160MHz
• On board 4MB flash,
• CH343P chip
• SPL Flash: 1 channel, onboard 4MB
• UART interface: 2-way, UART0~UART1
• 12 bit ADC: 2 channels, with a maximum sampling rate of 100KSPS
• Low speed SPI interface: 1 channel, supporting main mode
• IIC controller: 1 channel
• PWM interface: 4 channels
• GPIO external pins: 15 channels, reusable
• LED indicator lights: 2 channels
• Reset button: 1 channel
• BOOT button: 1 channel
• USB to TTL download and debugging port: 1 channel, supporting automatic download
• 2.4G PCB onboard antenna
• Size: 21mm x 51mm

Package:

1x ESP32 Development Board ESP32-C3 CORE-ESP32-C3 CH343P WiFi + Bluetooth Module Core Board For Arduino Microphone UART GPIO SPI

• Quad-band compatibility: Works on GSM networks worldwide (850 / 900 / 1800 / 1900 MHz).
• Allows communication via SMS, MMS, GPRS, and audio through UART with AT commands.
• Includes 12 GPIOs, 2 PWMs, and an ADC from the SIM900 module.
• Compatible with Arduino and Arduino clones.

• Durable Material: Made from high-quality aluminum for lightweight and durability.
• Precise Measurement: 0~1kg weighing range with excellent accuracy.
• Stable Output: Rated output of 1.0 ± 0.1mV/V ensures reliable data.
• High Insulation Resistance: Ensures safety and consistent performance.

The PIC16F73 is a powerful and easy-to-program CMOS FLASH-based 8-bit microcontroller from Microchip. It features the robust PIC® architecture, making it compatible with other PIC microcontrollers like the PIC16C5X, PIC12CXXX, and PIC16C7X series. This microcontroller is ideal for advanced A/D applications in automotive, industrial, appliances, and consumer electronics.

• Adjustable Output Frequency: Provides 50Hz fixed frequency sine wave and adjustable frequencies from 0-100Hz and 0-400Hz.
• Modulation Modes: Supports both unipolar and bipolar modulation modes for versatile applications.
• Dead-Time Control: Features four different dead-time settings (300nS, 500nS, 1.0uS, 1.5uS) for precise control.
• Real-Time Feedback: Monitors voltage, current, and temperature in real-time, ensuring optimal performance and protection.

• Dual Output Voltages: 5.0V and 3.3V
• Input: Can be powered via DC wall wart or USB port
• Voltage Selection: 2-pin shunt jumper for output voltage selection
• Independent Control: Each rail can be

• Dual H-Bridge Drive: Allows driving two DC motors or a stepper motor with ease.
• L298N Chip (ST NEW): High-quality, reliable control chip for efficient motor driving.
• Wide Voltage Range: Supports a drive voltage range from 5V to 35V for flexible usage in various projects.

• Pulse oximetry and heart rate monitoring solution
• Integrated ambient light cancellation and motion artifact resilience
• Red and IR LED for accurate measurements
• I2C interface with INT pin for easy communication

• Integrated WiFi and Bluetooth support for wireless connectivity.
• Compact design with dimensions of 40 x 27 x 12mm for easy integration.
• 4MB Flash Memory and 520kB SRAM for storage and processing.

ESP8266 NodeMCU DevKit Development Board is a powerful tool for IoT projects. This board integrates ESP8266 (ESP-12), USB to Serial, and NodeMCU firmware, making it easy to develop applications with minimal peripherals.

• Incorporates ESP8266 (ESP-12)
• USB to Serial integrated
• NodeMCU firmware pre-installed
• 10 GPIO ports
• Supports AT Command and Lua programming

Ideal for developing applications with ease.

• Detects conductance of skin
• Includes finger straps for electrodes
• Compatible with 3.3V and 5V systems
• Compact and lightweight design

• Dual bases for all Wemos D1 Mini modules and shields.
• Duplicate I/O and power supply for enhanced flexibility.
• Designed for 3.3V I/O compatibility only.

• Supports 802.11 b/g/n WiFi
• Wi-Fi Direct (P2P) & Soft-AP functionality
• Integrated TCP/IP protocol stack for easy internet communication
• Built-in Power Management with low standby consumption.

• Adjustable voltage step-up converter for 18650 Li-ion batteries
• Supports both charging and discharging functions
• Compact PCB module design
• Ideal for DIY power bank projects

• Compact Design: Ideal for small projects with limited space.
• Versatile Power Options: Supports 5V, 3.3V, 12V, and other input voltages.
• Reliable Output: Provides a high signal when pressed and low when not.
• Simple Connection: Easy to integrate into various circuits and applications.

Discover the Arduino Nano ATmega328p, a powerful microcontroller board designed for a variety of electronic projects in Bangladesh. Featuring the Atmel ATmega328 microcontroller, it operates at 5V with a recommended input voltage of 7-12V. With 14 digital I/O pins and 8 analog input pins, it offers versatile connectivity and performance for your DIY electronics.