New and Popular Products

New Products

Popular Products

Post and News

Electrodragon boards and modules used in education

We are pleased to inform that our boards and modules have been used during course “Internet of Things” at the WSB University in Wroclaw (Poland, UE). Students learned about the ability to build and programing “Smart Home” using the Electrodragon Relay boards, modules, various sensors, and LEDs and displays. PlatformiIO was used for example programming.
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ESP32 Information

ESP3212 board based on ESP32 IC will be ready on around 20th, this is the date we asked from supplier ai-thinker, they said they are still debugging the board, date can not guarantee, maybe delay again. We will sell the same price as anywhere else. Most information we can find are placed on this page now.
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Liquid Flow Sensor, Turbine Meter wiring with ESP8266

Thanks to customer Mark, here is wiring diagram of the flow sensor/meter with esp8266, the key point is needing a 555 timer chip as a Schmitt trigger. Also the VCC voltage of flow sensor is 5V, and esp8266 is 3v3, a voltage divider is needed in the circuit. You can find the flow sensor here. Updated to
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About our Store

Comprehensive Product Portfolio

  • More over 700 products
  • Eight main product categories: Development board, Module/Breakout board, Network, Interface, Sensors, Prototype, Components and Service.

Quick Update

  • 5-10 new products every week!
  • New technology, ideas, products focused.

Efficient Shipment

  • Expedited and cheap shipping to most countries, 4-15 days to US, EU, AU, Asia, South Africa, etc.
  • Express DHL shipment worldwide

Competitive Price

  • No aggressive price, all competitive price to all the market and sellers.
  • Buck order price available when you need large quantity

Promotion and Support

Redeem (Earn Points):

  • Get 0.5 points for each product review you purchased.
  • Get 0.5 points for Facebook, Google+1 “like” and tweet message (via product “like” button).
  • Get 5 points for referral registration and purchase
  • Get 2 points after first time signup and purchase.

See more information at this page.


  • Frequently purchase member can get 5% discount on your account permanently, no conflict with redeem points.
  • Apply member ship with your points here.
  • Distributor member please email to request (

Tech Support and Service:

  • Wiki Documentation: All of our products are well documented online, this information includes schematic, use guide, demo code, etc. no any extra dasheet or manual
  • Direct Online Support (at right-bottom corner): Contact us online or drop us a message and we will reply you later for it.