ESP32 WROOM Development Board WiFi Ultra-Low Power 30 PIN

Description:

1. The main body of the module is the ESP-WROOM-32 module, and the peripheral uses the USB serial port chip CP2102 to expand the micro-USB interface, which can be directly debugged by a USB-connected computer, and the data transmission is fast and stable.
2. It has a power indicator (red light) and a working status indicator (blue light) on it, so you can know the status of the module at any time.
3. There are two touch buttons, one is reset, and the other is to enable the module to enter the halberd program mode. In addition, the pins on both sides of the development board are convenient for developers to connect and use.
4. The module has powerful Bluetooth-compatible and WiFi functions. As a Bluetooth-compatible and WiFi development board, it can obtain rich resources from Lexin and Anxinco official websites.
5. In addition, the module supports NodeMCU and other development environments, which expands the range of its resources available and greatly improves the ease of learning and development. Of course, it can also be widely used in Internet of Things occasions, such as home automation, wireless industrial control, wireless positioning system signals, etc.

Feature:

1. The module is the ESP- WROOM-32 development board, and the ESP32 WROOM32 parameter characteristic is also the parameter characteristic of the module.
2. 802.11b/g/WiFi + BT module.
3. power dual core 32-bit CPU, which can be used as an application processor;
4. The main frequency is up to 240MHz, and the operation capacity is up to 600DMIPS.
5. Support UART / SPI / I2C / PWM / DAC / ADC and other interfaces;
6. Support open OCD debugging interface;
7. It supports multiple sleep modes, and the current reaches 6.5ua in deep sleep;
8. Embedded LwIP and FreeRTOS;
9. Support STA/AP/STA+AP mode;
10. Support Smart Config / Airkiss one key distribution network;
11. General at command, easy to use;
12. Support local serial port upgrade and remote upgrade (FOTA).

Specification:

• SPIFlash: default 32Mbit
• Bluetooth: Bluetooth-compatible 4.2 BR/EDR and BLE standards
• Supporting interfaces: UART, SPI, SDIO, I2C, PWM, I2S, IR, ADC, DAC
• On-chip sensors: Hall sensor, temperature sensor, capacitive touch sensor
• IO port: 22pcs
• Serial port rate: 115200 BPS by default
• Spectrum range: 2412 ~ 2484MHz
• Antenna form: PCB antenna on board, gain 2dBi
• Transmitting power: 802.11b: 17 ± 2dbm (11Mbps) 802.11g: 14 + 2dbm (54Mbps) 802.11n: 13 ± 2dbm (MCS7)
• Receiving sensitivity: CCK, 1Mbps: – 90dbm CCK, 11Mbps: – 85dBm 6Mbps (1 / 2bpsk): – 88dbm 54Mbps (3 / 464-qam): – 70dBm mcs7 (65mbps, 72.2mbps): – 67dbm
• Power consumption: 300mA 3.3V
• Security: WPA / WPA2 / WPA2 Enterprise / WPS
• Power supply range: USB power supply: 5V pin power supply: 5.0V~12V
• Working temperature: – 20 ~ 85 ℃
• Storage environment: – 40 ~ 90℃, < 90% RH
• Product size: 52 * 29 * 15mm/2.04*1.14*0.59”

Note:
Please allow 1-3mm differences due to manual measurement.
Due to the different displays and different lights, the picture may not show the actual color of the item. Thanks for your understanding.

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ESP32 WROOM Development Board WiFi Ultra 30 PIN
darazsales

Orange Pi Zero and Expansion Board with Black Case for Development Board

specification:

Orange Pi Development Board

• CPU: H3 Quad-core Cortex—A7 H.265/HEVC 4K
• GPU: Mali400MP2 GPU @600MHz, Supports OpenGL ES 2.0
• Memory (SDRAM): 256MB/512MB DDR3 (256MB is the Standard version)
• Onboard Network: 100M/10M Ethernet RJ45 (POE is default off )
• Onboard WIFI: XR819, IEEE 802.11 b/g/n
• Onboard Storage: 10class TF Card (Max64GB), 2MB SPI Flash
• Video Outputs: Supports external board via 13pins
• Source: USB OTG can supply power
• Power: One USB 2.0 HOST, one USB 2.0 OTG
• USB 2.0 Ports:
• Buttons: Power button
• Low-level peripherals: GPIO(1×3) 26 Pins Header 13 Pins Header with 2x USB, IR pin, AUDIO(MIC, AV)
• LED: Power led & Status led
• Supported OS: Android, Ubuntu, Debian, Armbian
• Interface definition: UART, ground
• Product size: 46mm x 48mm
• Weight: 26g

Orange Pi Expansion Board

• Interface: TF Card Support, USB OTG
• Processor Brand: Allwinner Integrated Feature: 10/100Mbps, WiFi 802.11b/g/n
• ROM Capacity: None
• Memory Capacity: 512MB
• Model Number: Orange Pi Zero LTS
• Demo Board Type: ARM
• Brand Name: SZCLX
• Origin: Mainland China
• Certification: CE, FCC
• Application: Computer/ Wireless serve/ Games
• Audio Input: MIC
• Video Outputs: Supports external board via 13pins

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Orange Pi Zero and Expansion Board with Black Case
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Powerful and Versatile: Raspberry Pi Pico Board

Discover the limitless potential of the Raspberry Pi Pico board, your gateway to an exciting world of creativity and innovation. Whether you’re a hobbyist, a student, or a professional, this compact and versatile microcontroller board opens up a realm of possibilities for your projects. Let your imagination soar as you delve into the realms of electronics, coding, and robotics with this remarkable device.

Seamlessly Connect and Control Your Projects

Connect, Control, and Dominate 

With its powerful yet user-friendly features, Raspberry Pi Pico empowers you to connect and control your projects like never before. The board comes equipped with a wide range of GPIO pins, enabling seamless integration with various sensors, modules, and peripherals. From temperature and motion sensors to LED displays and motors, it provides the flexibility to interface with an array of components. Take control of your creations, build interactive systems, and watch your ideas come to life!

Experience Speed, Performance, and Efficiency

Unleash Lightning-Fast Performance 

Experience the speed, performance, and efficiency of Raspberry Pi Pico. Powered by the RP2040 microcontroller, this board delivers an unparalleled level of responsiveness and precision for your projects. With dual-core Arm Cortex-M0+ processors running at a blistering 133 MHz, you can execute complex tasks effortlessly. The onboard programmable I/O (PIO) subsystem further enhances performance, enabling you to achieve blazing-fast data processing and communication. Say goodbye to bottlenecks and hello to a seamless user experience.

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Raspberry PI 4 Model B Kit with Camera and other accessories

Raspberry PI 4B Case Acrylic 9 Layers Case + Fan (including fan cover) black

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lahiru Dhananjaya

Arduino Pro Mini ATmega328 Microcontroller
lahiru Dhananjaya

Arduino LilyPad ATmega328P

Arduino LilyPad / LilyPad Arduino  is a microcontroller board designed for wearables and e-textiles. The LilyPad Arduino was designed and developed by Leah Buechley and SparkFun Electronics. It can be sewn to fabric and similarly mounted power supplies, sensors and actuators with conductive thread. The board is based on the ATmega168V (the low-power version of the ATmega168) (datasheet) or the ATmega328V (datasheet).

• • Lilypad is Wearable e-textile technology
  • Able to connect a Li-Po battery
  • On-off switch to save power
  • Can charge the batteries through the JST socket

• This is LilyPad – the main board consisting of an ATmega328 with the to 5V.
• The latest version of the Arduino LilyPad supports automatic reset for even easier programming.
• The back side of the LilyPad is now completely flat! We now use a surface mount programming
  connector to keep the header from poking through.
• This version of the Arduino LilyPad now uses the new ATmega328 at 8MHz. 0016 supports the Pro Mini 328/8MHz/16MHZ.
• Use this setting when using this new LilyPad 328.

Arduino LilyPad ATmega328P DESCRIPTION

The Arduino Lilypad is a board that has an Atmega328 loaded with the Arduino bootloader, this board has as few external elements as possible in order to keep this board small and simple.

Lilypad is part of the Wearable technology or “wearable” technology, it has large and wide connectors in order to be sewn on clothing or fabric, there are many Input / Output accessories to be used with this Lilypad such as accelerometers,

LEDs,

buttons,

batteries, etc;

some of these items can even be washed.

Characteristics Microcontroller:

ATmega328 Operating voltage:

2.7V – 5.5V Input voltage (recommended):

2.7V – 5.5V Digital input / output pins: 14 (6 can be used as PWM) Analog input pins:

6 DC current for each input / output pin:

40mA Flash Memory:

16KB (2KB used by Bootloader) SRAM: 1KB EEPROM:

512B Clock frequency: 8MHz

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Arduino Uno visit https://lk-tronics.com/product/buy-arduino-uno-srilanka/

More Information on Arduino Open Source https://www.arduino.cc/

Now Delivery Around Sri-Lanka

MAX30205 MTA Human Body Temperature Sensor

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lahiru Dhananjaya

STM32 ARM Minimum System Development Board Buy Minimum System development board STM32F103xx ARM STM32

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STM32 ARM Minimum System Development Board
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USB Mini Adapter Module Board

This Mini Adapter Module Board for Arduino Bee Adapter is a compact USB to serial adapter equipped with BEE (20pin 2.0mm) sockets. With integrated FT232RL IC, It can be used for programming or communicating with a board which basic For Arduin but without a USB interface, like Sniffer Nano. On the other hand, you may connect your PC to various wireless applications via the BEE-compatible modules.

The Adapter also could support the XBee interface.

• Usage 1: PC via a USB cable directly connected with XBee adapters.
• Usage 2: Bluetooth Bee configured or used as a data transmission.
• Uses 3: For ARDUINO BOARD PRO MINI Downloader

Specification

• XBee-setting support software X-CTU
• Easily connected to a PC via a mini USB cable
• BitBang mode ready
• USB 2.0 protocol
• 3.3V and 5V IO compatible
• 3.3V and 5V dual power output

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USB Mini Adapter Module Board for Arduino
lahiru Dhananjaya

Spread Spectrum Transmission Module

LoRa SX1278 10KM Wireless

The LoRa SX1278 LoRa spread spectrum wireless module uses the Enxin LoRa series module Ra-02. The interface is compatible with the NRF24L01 module. If you want to transfer data over long distances, you can directly replace the NRF24L01. Just change the program and do not need to change the hardware design.

LoRa series module (Ra-01/Ra-02), the module of this seriesRF chip SX1278 mainly uses LoRaTM remote modem for ultra long-range spread spectrum communication.Strong anti-interference ability to minimize current consumption. LoRa modulation with SEMTECHTechnology, SX1278 has a high sensitivity of over -148dBm, +20dBm power output, transmission distanceFar away, high reliability. In addition, LoRaTM modulation technology is anti-blocking and selection compared to conventional modulation methods.

The aspect also offers clear benefits, which addresses the issue that the typical design approach cannot simultaneously manage distance, anti-interference, and power consumption. the issue. running at 433M, primarily for the 433M network section Ra-01, Ra-02. Module for Spectrum Transmission

SX1278 features:

•      LoRa SX1278 Spread Spectrum Modulation Technology

•      Constant RF power output with +20dBm-100mW voltage change

•      High sensitivity: as low as -148dBm

•      Half-duplex SPI communication

•      Programmable bit rate up to 300kbps

•      Support FSK, GFSK, MSK, GMSK, LoRaTM and OOK modulation

•      127dB RSSI dynamic range

•      Automatic RF signal detection, CAD mode and ultra-high speed AFC

•      Packet engine with CRC up to 256 bytes

•      Small size double column stamp hole patch package

•      With shield

•      Spring antenna (Ra-01) or IPEX external antenna (Ra-02)

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Spread Spectrum Transmission Module LoRa SX1278 10KM Wireless
lahiru Dhananjaya

XBee module S2C Zigbee wireless data transmission module XB24CZ7WIT-004 XB24CZ7UIT-004

Brief introduction:

Xbee module is a ZigBee wireless module technology, such as through inter serial devices to communicate with the microcontroller , can very quickly achieve the purpose of the device is connected to a ZigBee network.

This is a new Digi produced 2.4Ghz Xbee XB24-Z7WIT-004 wireless transmission module. Improved versions of the output power and transport protocols. S2 series and basic models have the same pin definitions , but stronger output power -2mW. Its maximum transmission distance up to 1200 meters ( outdoor open distance ) and transfer rates of up to 250kbps . This module provides a highly reliable data transfer , any serial output devices can use the module for data transfer, support point – point and multi-point network transmission .

 Technical Specifications

• 3.3V @ 40mA
• 250kbps Max data rate
• 2mW output (+ 3dBm)
• 400ft (120m) range
• Built-in Antenna
• By FCC certification
• 6 10-bit ADC input pins
• 8 Data IO interface
• 128-bit encryption
• Local or over-air configuration
• AT or API command set

package Include:

1 * XBee module S2C Zigbee wireless data transmission module

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XBee module S2C Zigbee wireless data transmission module
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