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Articles from Electrodragon

Visit www.electrodragon.com, subscribe and follow @electro_dragon

Delayed Start of Work

From www.electrodragon.com 12 months ago in Stores

Hi! Wish have good a year of 2020, good health and happy life. We just back from a long local holiday, also called Chinese lunar year. Sorry for the late reply during this time. This won’t have in this year...

Windows C Toolchain Easy Setup (Mingw + Notepad)

From www.electrodragon.com 1 year ago in Stores

Install mingw +GCC on windows, find mingw installer on google: https://sourceforge.net/projects/mingw/ Install mingw base and gcc in installer: Setup environment path: in control panel – system and safe – system – advanced system setup – environment setup and find path...

Distance Rough Test NRF24duino and Loarduino Board

From www.electrodragon.com 3 years ago in Stores

We have tried first round of test, very very simple setup, to just make sure all can work and what is the performance by default without any optimize. Setup of NRF24duino: A pair of module, both flashed with get_started sketch...

Distance Rough Test NRF24duino and Loarduino Board (Updating)

From www.electrodragon.com 3 years ago in Stores

We have tried first round of test, very very simple setup, to just make sure all can work and what is the performance by default without any optimize. Setup of NRF24duino: A pair of module, both flashed with get_started sketch...

Electrodragon boards and modules used in education

From www.electrodragon.com 4 years ago in Stores

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...

Electrodragon boards and modules used in education

From www.electrodragon.com 4 years ago in Stores

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...

ESP32 Information

From www.electrodragon.com 4 years ago in Stores

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...

ESP32 Information

From www.electrodragon.com 4 years ago in Stores

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...

Liquid Flow Sensor, Turbine Meter wiring with ESP8266

From www.electrodragon.com 5 years ago in Stores

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...

Liquid Flow Sensor, Turbine Meter wiring with ESP8266

From www.electrodragon.com 5 years ago in BlogsStores

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...

ESP8266 Smartconfig Follow Up

From www.electrodragon.com 5 years ago in BlogsStores

It seems the current online custom build with dev branch can not work well with smartconfig, or the ESP8266 smart config android APK, so we tried to figure with the espressif official APK and master branch. The master branch is:...

ESP8266 Smartconfig Follow Up

From www.electrodragon.com 5 years ago in Stores

It seems the current online custom build with dev branch can not work well with smartconfig, or the ESP8266 smart config android APK, so we tried to figure with the espressif official APK and master branch. The master branch is:...

Wireless Charging Test [Update March 1st]

From www.electrodragon.com 5 years ago in Stores

You can find the mentioned items in our store here. This is a demo test of the pair of wireless power charger, five LEDs connected paralleled on the receiver end, output more than 200~300 mA (over range of display) current. There...

Wireless Charging Test [Update March 1st]

From www.electrodragon.com 5 years ago in BlogsStores

You can find the mentioned items in our store here. This is a demo test of the pair of wireless power charger, five LEDs connected paralleled on the receiver end, output more than 200~300 mA (over range of display) current. There...

SMT Pick and Place Machine Work

From www.electrodragon.com 5 years ago in Stores

Pick and place file output from eagle, and copy into a SD card for use. The machine only running 10% speed of normal, but actually it can run 150% speed of normal. Each time pick and place work include the...

SMT Pick and Place Machine Work

From www.electrodragon.com 5 years ago in BlogsStores

Pick and place file output from eagle, and copy into a SD card for use. The machine only running 10% speed of normal, but actually it can run 150% speed of normal. Each time pick and place work include the...

2016 Chinese New-Year Holidays

From www.electrodragon.com 5 years ago in BlogsStores

Shipment Suspend: We will have a long holiday from 4th till 13th, delivery can not be fulfilled during this time. Holiday promotion: Use coupon code “2016-year” to get 10% discount. This discount is not conflicting with your member discount. PCB service...

2016 Chinese New-Year Holidays

From www.electrodragon.com 5 years ago in Stores

Shipment Suspend: We will have a long holiday from 4th till 13th, delivery can not be fulfilled during this time. Holiday promotion: Use coupon code “2016-year” to get 10% discount. This discount is not conflicting with your member discount. PCB service...

SmartConfig ESP8266 for NodeMCU and AT-commands

From www.electrodragon.com 5 years ago in BlogsStores

A simple breakout board of ESP8266 on breadboard can do most of NodeMCU work. Also need a PL2303 USB-TTL programmer Most wifi embedded project will not have too much input and output resource to let the user enter the wifi...

ESP8266 Flash Firmware

From www.electrodragon.com 5 years ago in BlogsStores

All the relevant items can be purchased from www.electrodragon.com!  items used in here including: ESP-07 with on board status LED (ESP-12 LED will not work for arduino blink sketch) ESP breakout board CH340 USB-TTL programmer breadboard and a few jumper wires....

WS2812 Stick Board Test

From www.electrodragon.com 5 years ago in BlogsStores

You can find the arduino library in the product link: http://www.electrodragon.com/product/ws2812-neopixels-ring-leds/ http://www.electrodragon.com/product/8-led-ws2812-5050-rgb-led-stick-board/ From the example, run “standtest” sketch, follow the instruction to setup for the board, and it will show all the standard effects: The wiring should be Din –...

Flash Firmware for NodeMCU on ESP-12 with Breakout Board

From www.electrodragon.com 5 years ago in BlogsStores

You will need firmware, NodeMCU flasher to flashing the firmware, and Esplorer GUI to test the firmeare. All the tool you can find it here. Wiring as below use a PL2303 USB-TTL here: TX-RX, RX-TX, GND-GND, 5V – VIN Open the...

AC-DC Power Module Hack

From www.electrodragon.com 5 years ago in BlogsStores

Combined two items to together, the module from AC power source to 5V and 3v3: AC-DC AC 85-265V to DC 5V Power Module AMS1117-3V3 Regulator Module This is just a rough idea, you can make it much better. ( for...

Video Recording by a Cheap Quadcopter

From www.electrodragon.com 6 years ago in BlogsStores

We are new to the quadcopter, it is a lot of fun, but the video quality turn out to be really normal. So there are basic problems which need to be aware when you choose a cheap one of this:...

Flash NodeMCU to Wi07-12 ESP8266 Board

From www.electrodragon.com 6 years ago in BlogsStores

The NodeMcu development board is sold out recently, not sure when the new stock will arrive. The development has some peripheral circuit to ease your usage, including USB-UART, USB5V-3.3V power supply, buttons, and lead out all the IOs. But you...

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