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Picture of cheap, nice and weird A4 graph plotter ($25 + some scrap)

Picture of cheap, nice and weird A4 graph plotter ($25 + some scrap)

ESP8266 with DHT22 sending MQTT [lazyzero.de]

ESP8266 with DHT22 sending MQTT [lazyzero.de]

From those that own 3D printers, to those who simply are just curious about their capabilities, one topic that comes up rather frequently is the idea of "Printing another 3D Printer". Now this may not be 100% possible when considering components such as the electronics, however, nearly every 3D printer today in the open source community utilizes to some degree, 3D printed parts in it's construction. From fan mounts to spool holders, a person can spend a few minutes searc...

From those that own 3D printers, to those who simply are just curious about their capabilities, one topic that comes up rather frequently is the idea of "Printing another 3D Printer". Now this may not be 100% possible when considering components such as the electronics, however, nearly every 3D printer today in the open source community utilizes to some degree, 3D printed parts in it's construction. From fan mounts to spool holders, a person can spend a few minutes searc...

Polymer concrete CNC base

Polymer concrete CNC base

DIY PCB Ink Plotter using Arduino and GRBL CNC

DIY PCB Ink Plotter using Arduino and GRBL CNC

A very cool-looking weather station using the ESP8266 WiFi module chip and a high resolution 7.4″ a-Si TFT active matrix Electronic Paper Display (EPD) module from Pervasive Displays shared by andrei7c4. The weather data are gathered from OpenWeatherMap service. Most of the time the device stays in deep sleep mode consuming only 18 µA. While updating the weather power consumption varies from 80 to 150 mA. Update operation takes a few seconds, depending on WiFi router, DHCP server and…

A very cool-looking weather station using the ESP8266 WiFi module chip and a high resolution 7.4″ a-Si TFT active matrix Electronic Paper Display (EPD) module from Pervasive Displays shared by andrei7c4. The weather data are gathered from OpenWeatherMap service. Most of the time the device stays in deep sleep mode consuming only 18 µA. While updating the weather power consumption varies from 80 to 150 mA. Update operation takes a few seconds, depending on WiFi router, DHCP server and…

How To Make Any 3D Printed Part Much Stronger

How To Make Any 3D Printed Part Much Stronger

http://hexawheel.com.mx/

http://hexawheel.com.mx/

MQ-2 smoke sensor circuit with Raspberry Pi

MQ-2 smoke sensor circuit with Raspberry Pi

Conexión viga-columna (vía Civil Engineers) . Vía Twitter @GeotechTips #Ingeniería

Conexión viga-columna (vía Civil Engineers) . Vía Twitter @GeotechTips #Ingeniería