• How to Place an Order

  • Store Pick Up

  • Request for Quotation/ International Sourcing

  • Order Status

Choose Your Size Quick view

Reference: RBD-984

Heat Shrink Tube

Heat Shrink Tubing 2:1, Eventronic Electrical Wire Cable Wrap Assortment Electric Insulation Heat Shrink Tube Kit (1 pcs) Please Choose Size Below

Price BDT 2
Jumper Wire Single Medium Quick view

Reference: RBD-1354

Jumper Wire Single Medium

Length: 8.5 inches (Medium) Material: Copper Plated.EachPin Spacing: 2.54mm.Color: Colorfulcompatible with 2.54mm mil spacing pin headers.It can be used for PCB project, pc motherboard, etc.Allow you to plug and unplug easily for prototyping.Package Contents: 1 x Jumper Wire You will get only one pcs.

Price BDT 3
470 Ohm 1/4w - Pack of 5 Quick view

Reference: RBD-245

Kiloohm (KΩ) 1/4w Resistors - Pack of 5

Choose your desire Resistor value from below: 

Price BDT 5
In Stock
Jumper wire 40 Pcs Quick view

Reference: RBD-31

Jumper Wire 40 Pcs Set

3 Types Available 1. Male to Male  2. Male to Female 3. Female-Female

Price BDT 90
In Stock
Buzzer Quick view

Reference: RBD-766

Ohm (Ω) 1/4w Resistors - Pack of 5

Choose your desire Resistor value from below: 

Price BDT 5
Push Button Switch Quick view

Reference: RBD-761

Push Button Switch

Push Button Switch

Price BDT 5
5 mm Green LED (Pack of 5) Quick view

Reference: RBD-768

5 mm Red LED (Pack of 5)

5 mm Red LED (Pack of 5)

Price BDT 5
Buzzer Quick view

Reference: RBD-758

BC547 NPN Transistor

BC547 NPN Transistor

Price BDT 2
On sale! Arduino Uno R3 (Made in Italy) Quick view

Reference: RBD-94

Arduino Uno R3

Arduino UNO in Bangladesh The Arduino Uno is a microcontroller board based on the ATmega328 (datasheet). It has 14 digital input/output pins (of which 6 can be used as PWM outputs), 6 analog inputs, a 16 MHz ceramic resonator, a USB connection, a power jack, an ICSP header, and a reset button. It contains everything needed to support the microcontroller.

Price BDT 649
In Stock
Buzzer Quick view

Reference: RBD-755

5 mm Green LED (Pack of 5)

5 mm Green LED (Pack of 5)

Price BDT 5
All best sellers
  • New

LILYGO TTGO LoRa32 915Mhz ESP32 OLED 0.96 Inch Wireless Module


LILYGO TTGO LoRa32 V2.1_1.6 Version 915Mhz ESP32 LoRa OLED 0.96 Inch SD Card Bluetooth WIFI Wireless Module ESP-32 SMA

Model: 915MHZ CH9102F  T3_V1.6.1

BDT 2,350

  • Store Pickup Available! Store Pickup Available!
  • Free Ship Over 5000 BDT Free Ship Over 5000 BDT
  • Quality Product Quality Product
  • No Warranty No Warranty
  • No Replacement No Replacement

Product Description

Working voltage: 1.8~3.7v
Acceptable current: 10~14mA
Transmit current: 120mA@+20dBm
Operating frequency:  915MHz
Transmit power: +20dBm
Receive sensitivity: -139dBm@LoRa &62.5Khz&SF=12&146bps
-136dBm@LoRa &125Khz&SF=12&293bps
-118dBm@LoRa &125Khz&SF=6&9380bps
Frequency error: +/-15KHz
FIFO space:  64Byte
Data rate: 1.2K~300Kbps@FSK
Modulation Mode: FSK,GFSK,MSK,GMSK,LoRa TM,OOK
Interface form: SPI
Sleep current: 0.2uA@SLEEP
Operating temperature: -40℃- +85℃
Digital RSSI function
Automatic frequency correction
Automatic gain control
Fast wake-up and frequency hopping
Highly configurable data packet handler
SMA Antenna

Pin Schematics






At the TTGO LoRa V2.1 ,we add the SMA and IP5306 to the board,which make it can do more things.In terms of the power switch, we have changed the switching interaction mode. The added SMA antenna can enhance signal transmission.

(Notice:The shipping list does not include battery and SD card)

Shipping List:

1 X TTGO LoRa32 915MHZ Module
1 X Power Cable(Jst 2pin 1.25mm)
1 X Antenna
2 X Pin


Product Details
6 Items
30 other products in the same category:
AI-thinker A9G... Quick view

Reference: RBD-1138

AI-thinker A9G GSM/GPRS+GPS/BDS Development Board

The A9G development board is a multifunctional development board based on AI Thinker’s A9G GPRS/GSM + GPS/ BDS module. You can use it to verify the basic communication and peripheral functions of A9G module. It has the basic phone/SMS, GPRS networking communications and GPS/BDS dual mode positioning function. There are lithium battery charge management,...

Price BDT 1,990
LoRa SX1278 Long Range RF... Quick view

Reference: RBD-1529

LoRa SX1278 Long Range RF Wireless Module

Model:SX1278ZTR4 SX1278 433mhz module spread spectrum low power serial port module LoRa wireless module Range: 3-5 KM (line of sight) Silicon Transmission Technology's SX1278 module (SX1278ZTR4-GC) has been widely used by thermostat manufacturers due to its small size, low cost, and reliable quality. At the same time, Silicon Transmission Technology...

Price BDT 945
MicroPython Board R3... Quick view

Reference: RBD-1603

MicroPython Board R3 ATmega328P+ESP8266, 8Mb flash, USB-TTL CH340G, Micro-USB

It is a customized version of the classic ARDUINO UNO R3 board. Full integration of microcontroller Atmel ATmega328 and IC Wi-Fi ESP8266 with 8 MB flash memory, and USB-TTL converter CH340G on one board. All modules can work together or independently. The cable is not included. You need to use a micro-USB cable to program it.

Price BDT 1,200
SP108E LED Wifi Magic... Quick view

Reference: RBD-1566

SP108E LED Wifi Magic Controller WS2812B WS2813 LED Strip Light Smart APP Wireless Control Max 2048 Pixels

Features: 1) Long distance APP remote control via WIFI; 2) Support routing mode (AP) and LAN connection mode (STA); 3) Support almost every kind of one-wire or two-wire LED driver IC; 4) Brightness adjustable, with 180 kinds of patterns and 8 kind of color adjustable patterns; 5) Creatively using from-image-to-effect method for user to DIY any effect; 6)...

Price BDT 1,800
ESP8266 ESP-01 Serial WiFi Wireless Adapter Module Quick view

Reference: RBD-698

ESP8266 ESP-01 Serial WiFi Wireless Adapter Module

ESP8266 ESP-01 Serial WiFi Wireless Adapter Module

Price BDT 110
Sonoff TX Series WiFi Wall... Quick view

Reference: RBD-1525

Sonoff TX Series WiFi Wall Switches T3 EU 3 Gang

Can control up to 3 device 220V Model : T3EU3C Remotely control devices through a phone Turn on/off devices with Amazon Alexa and Google Assistant Touch control buttons for convenient operation Set a particular time to turn on/off devices Customize one or groups of SONOFF devices to turn on/off with a simple tap Allow you to manage devices when there is...

Price BDT 1,799
5 In 1 Portable CO2... Quick view

Reference: RBD-1654

5 In 1 Portable CO2 Detector Air Quality Detector Intelligent Air Detector

5 In 1 Portable CO2 Detector Air Quality Detector Intelligent Air Detector Temperature and Humidity Sensor Tester Carbon Dioxide Monitor TVOC Formaldehyde Detection HCHO Detector - Black

Price BDT 4,950
Sonoff Dual 2CH Wifi Smart Switch Quick view

Reference: RBD-1016

Sonoff Dual 2CH Wifi Smart Switch

Specification Power Supply: 90-250V AC Max Current: 16A(2 gang),10A(1 gang) Max Power:  3500W(2 gang) / 2200W(1 gang) Product Dimensions: 114*52*32mm Color: White  Frequency: 802.11 b/g/n  Security Mechanism: WPA-PSK/WPA2-PSK

Price BDT 1,300
ESP8266 5V WIFI Relay Smart... Quick view

Reference: RBD-1336

ESP8266 5V WIFI Relay Smart Home Remote Control Switch

ESP8266 ESP-01S 5V WiFi Relay Module Things Smart Home Remote Control Switch Phone APP ESP01 ESP-01 Wireless WIFI Module (ESP8266 is not included)

Price BDT 290
Tuya PIR Motion Sensor for... Quick view

Reference: RBD-1672

Tuya PIR Motion Sensor for Smart Life Wifi Based Alarm System

No hub requested: PIR Sensor uses WiFi 2.4G frequency band for communication, no Hub is needed. The Sensor uses WiFi 2.4G to ensure the transmission distance between it and the WiFi router, and provides a guarantee for its low energy consumption.Model Number: P06Product Name: PIR SensorBattery: LR-3-1.5V x 2/AA(Not included)Wireless Type: Wi-Fi...

Price BDT 2,200
WiFi IoT Switch Sonoff Pow R2 Quick view

Reference: RBD-960

WiFi IoT Switch Sonoff Pow R2

SpecificationPower Supply: 90V~250V ACMax. Current: 16APower: 3500WWireless Standard: Wi-Fi 2.4GHz b/g/nSecurity Mechanism: WEP/WPA-PSK/WPA2-PSKOperating temp:  0 ºC ~ 40 ºC (32°F ~ 104°F)Operating Humidity:  5%~90%RH, Non-condensingMaterial: FR-ABSConnector: Universal

Price BDT 1,590
SIM800L Mini GPRS GSM Module Quick view

Reference: RBD-1039

SIM800L Mini GPRS GSM Module

The SIM800L is a cheap and portable GSM breakout board with all the capabilities of the larger SIM900 shields. In this Arduino SIM800L tutorial, I will help you get started with this nifty device. Sending and receiving texts with your Arduino have never been easier! Smallest SIM800L GPRS GSM Module MicroSIM Card Core BOard Quad-band TTL Serial Port.

Price BDT 450
Sonoff IFan02 Smart Wifi Fan Speed Control Quick view

Reference: RBD-1017

Sonoff IFan02 Smart Wifi Fan Speed Control

Sonoff IFan02 Smart Fan Speed Control Compatible with Alexa and Google Assistant Power supply: 90V~250V AC(50/60Hz) Max. Load: Fan- 250V, 2A, 500W; Light- 250V, 5A, 1250W Wireless standard:802.11.b/g/n 2.4G WiFi Encryption: WEP/TKIP/AES Security Mechanism: WPA-PSK/WPA2-PSK   Packing List iFan02 *1 2.4G RF Remote with button cell*1 User Guide * 1

Price BDT 1,998
Last items in stock
On sale! GPRS GSM SIM900 Arduino Shield Quick view

Reference: RBD-443

GPRS GSM SIM900 Arduino Shield

The GPRS Shield provides you a way to use the GSM cell phone network to receive data from a remote location. The shield allows you to achieve this via any of the three methods: Short Message Service Audio GPRS Service

Price BDT 2,400
WeMos D1 CH340 WiFi... Quick view

Reference: RBD-1602

WeMos D1 CH340 WiFi Development Board ESP8266 ESP-12F

The OTA WeMos D1 CH340 WiFi Development Board ESP8266 ESP-12F is a more Powerful Arduino with WIFI support. This development platform Espressif based on the ESP-8266 is the pins of the Arduino Uno almost compatible and can even be used as some shield modules designed for the classic Arduino Uno. *No Cable

Price BDT 499
NodeMCU ESP8266 Expansion... Quick view

Reference: RBD-1402

NodeMCU ESP8266 Expansion Base Board

NodeMCU ESP8266 Expansion Base Board This NodeMCU ESP8266 Expansion Base Board is an expansion board designed to work with the NodeMCU V3 ESP8266 ESP-12E. Powered by 6V to 24V DC input, it provides the support power to operate the NodeMCU V3, and provide easy connection to all of its input and output pins to help you connect your NodeMCU board to other...

Price BDT 250
SIM808 GPRS/GSM+GPS Shield Quick view

Reference: RBD-1037


SIM808 module is a GSM/GPS/BT three-in-one function module. It is based on the latest GSM/GPS/BT module SIM808 from SIMCOM, supports GSM/GPRS Quad-Band network and combines GPS technology for satellite navigation. It has high GPS receive sensitivity with 22 tracking and 66 acquisition receiver channels. Besides, it supports A-GPS that available for...

Price BDT 3,150
M590E GSM GPRS module Diy... Quick view

Reference: RBD-1134

M590E GSM GPRS module Diy kits M590 GSM GPRS 900m-1800m sms CPU MCU test

voltage:5v current:1A frequency:900/1800 size50mm*50mm

Price BDT 850
TTGO Meshtastic T-Beam V1.1... Quick view

Reference: RBD-1558

TTGO Meshtastic T-Beam V1.1 ESP32 WiFi Bluetooth GPS with OLED

TTGO Meshtastic T-Beam V1.1 ESP32 915Mhz WiFi Bluetooth ESP32 GPS NEO-6M SMA 18650 Battery Holder with OLED (915Mhz OLED)

Price BDT 3,299
Discovery Kit STM32F429ZI... Quick view

Reference: RBD-1531

Discovery Kit STM32F429ZI MCU STM32F429I-DISC1

The 32F429IDISCOVERY Discovery kit leverages the capabilities of the STM32F429 high-performance microcontrollers, to allow users to develop rich applications easily with advanced graphic user interfaces. https://www.st.com/en/evaluation-tools/32f429idiscovery.html

Price BDT 4,999
ESP8266 Dual WiFi Relay... Quick view

Reference: RBD-1337

ESP8266 Dual WiFi Relay Module Internet Of Things Smart Home Mobile APP Remote Switch

5V ESP8266 Dual WiFi Relay Module Internet Of Things Smart Home Mobile APP Remote Switch

Price BDT 835
Dual Band GSM Antenna (SMA... Quick view

Reference: RBD-1641

Dual Band GSM Antenna (SMA MALE)

Technical DataApplicable Bands: Dual Band 900/1800 MHzFrequency Range: 880-960 MHz / 1710-1990 MHzBandwidth: ±5 MHzVSWR (5m): 2.0 : 1Impedance: 50 ohmGain: 2 dBiMax Input power: 60WPolarization Type: VerticalDimension: 10.4 (D) x 55 mm (H)Colour: BlackConnector Type: SMA maleOperating Temperature: -40°Cto +85°C

Price BDT 150
ESP8266 NodeMCU Wifi Module... Quick view

Reference: RBD-694

ESP8266 NodeMCU Wifi Module Lua V3

ESP8266MOD or ESP-12E or ESP-12F is New Lolin NodeMcu Lua V3 Wireless Module Wifi Internet of Things (IoT) Development Board Based On ESP8266 Micro USB To TTL This is the famous NodeMCU which is based on ESP8266 WiFi SoC. This is version 3 and it is based on ESP-12E or ESP-12F or ESP8266MOD USB Driver: CH340 WiFicontroller ESP8266 NodeMcu V3, already...

Price BDT 440
GPS GSM GPRS SIM808 Module (Arduino Compatible) Quick view

Reference: RBD-579

GPS GSM GPRS SIM808 Module (Arduino Compatible)

SIM808 module is a GSM and GPS two-in-one function module. It is based on the latest GSM/GPS module SIM808 from SIMCOM, supports GSM/GPRS Quad-Band network and combines GPS technology for satellite navigation. 

Price BDT 3,350
ESP32 DHT11 WIFI Bluetooth... Quick view

Reference: RBD-1671

ESP32 DHT11 WIFI Bluetooth Temperature Humidity Soil Moisture Sensor Module for Arduino

1.Bluetooth wifi development board, support for Nodumcu / for Arduino 2.DHT11 temperature and humidity sensor 3.CP2104 communication chip USB TO TTL 4.Micro USB port 5. Soil probe (long) soil temperature and humidity detection module 6.18650 Lithium Battery Holder Powered A for LG 3000mAH 18650 battery could make ESP32run 17 hours or more. This capacitive...

Price BDT 2,499
DT-06 TTL to WIFI Module Quick view

Reference: RBD-1578

DT-06 TTL to WIFI Module

DT-06 TTL Serial Port to WiFi Module

Price BDT 410
New Tuya Smart Universal IR... Quick view

Reference: 1729

Tuya Smart Universal IR Remote WiFi With Temperature Humidity Sensor

Tuya Smart Universal IR Remote WiFi With Temperature Humidity Sensor for Air Conditioner TV AC Works with Alexa, Google Home

Price BDT 2,599
NodeMCU ESP8266 with 0.96... Quick view

Reference: RBD-1255

NodeMCU ESP8266 with 0.96 Inch OLED Module Development Board

All ESP8266 pins are connected with header12 digital pins1 analog inputIntegrated 0.96″ OLEDMicro USB connectionCompatible with ArduinoCompatible with NodeMCU(Lua for ESP8266)Input Power 5VCompatible for ArduinoCompatible with NodeMCU(Lua for ESP8266)Click the link for more details:https://github.com/squix78/esp8266-oled-ssd1306  

Price BDT 1,250
ESP32-CAM WiFi + Bluetooth... Quick view

Reference: RBD-1407

ESP32-CAM WiFi + Bluetooth Camera Module Development Board ESP32 With Camera Module OV2640

1. ESP32-CAM is a WIFI+ Bluetooth dual-mode development board that uses PCB onboard antennas and cores based on ESP32 chips. It can work independently as a minimum system. 2. ESP integrates WiFi, traditional Bluetooth and BLE Beacon, with 2 high-performance 32-bit LX6 CPUs, 7-stage pipeline architecture, main frequency adjustment range 80MHz to 240MHz,...

Price BDT 960
ESP32 ESP-32S NodeMCU Development Board Wireless WiFi Quick view

Reference: RBD-948

ESP32 ESP-32S NodeMCU Development Board Wireless WiFi

ESP32 Development Board WiFi+Bluetooth Ultra Low Power Consumption Dual Cores ESP-32 ESP-32S Board

Price BDT 790

Follow us on Facebook