Continuous liquid interface production enables faster 3D printing
The most common technique of 3D printing is stepwise horizontal layer-by-layer approach to fabricate 3D objects, which is very time consuming and is the same process used by most commercial 3D printers...
View ArticlePiClock: A RPi-based clock and Weather display
Hackaday user Kevin Uhlir‘s PiClock is a Raspberry Pi-based fancy clock with weather forecasting and RADAR map display features. The clock retrieves the Weather data from Weather Underground using...
View ArticleFull featured open source industrial camera
Apodiant’s entry for the 2015 Hackaday Prize is a full features open source industrial camera with Ethernet, USB, and serial outputs, along with an ARM processor for image processing. Full featured...
View ArticleSTM32 Digital-to-Analogue Converter (DAC)
After having played with Analogue-to-Digital Converter (ADC) of STM32 micros, the obvious next internal hardware block to deal with is the Digital-to-Analogue Converter (DAC). As the name suggests this...
View ArticleArduino enclosure with a human machine interface
Mircea Daneliuc from Whitehorse, Canada has tipped us off about his Arduino Enclosure with a human machine interface (HMI) consisting of an LCD and six push switches. The enclosure is a 140mm X 90mm X...
View ArticleYet another home automation project
Saiyam’s bedroom automation box is a standalone and multi-feature home automation project using Arduino with a set of six sensors which can be used in combination with each other to control home...
View ArticleXMega Analog Comparator
Previously we dealt with the XMega Analog-to-Digital Converter (ADC) block. We know that we can use the ADC to measure voltages and take decisions based on voltage values/levels but sometimes it is...
View ArticleNon-invasive power meter
Yonas Leguesse’s non-invasive power meter represents a much saver way of measuring electricity consumption without any direct wiring with the mains supply line. It uses a non-invasive current probe...
View ArticleDeskPomo to improve productivity at work
DeskPomo is a time managing machine implementing the Pomodoro Technique to break down your work duration into intervals of ~25 minutes length, separated by short breaks, to improve the productivity....
View ArticleDual channel battery charger plus analyzer
K.C. Lee‘s dual channel battery charger is a microcontroller-based efficient switching mode power supply design for not only the charging job but also for determining the charge/discharge...
View ArticleIoT enabled soldering iron
Vegard’s hacked his soldering iron and made it IoT enabled using NodeMCU, which is a ESP8266-based development platform. Now Vegard’s soldering station reports its set temperature to the Thingspeak...
View ArticleAtmega328 driven DIY Nixie clock
Pete Mills’ has shared his cool-looking DIY Nixie clock design on his personal blog. His design is based on Atmega328 and uses software driven RTC and voltage booster to achieve ~175V DC for Nixie...
View ArticleSimple 3D projection for your cellphone using clear plastic sheet
A very simple 3D holographic projection technique using a clear plastic sheet is described in this instructable from mikroGanesh. 3D holographic projection You will be amazed at the simplicity of this...
View ArticleEnvironmental gas sensing and alert system
This environmental alert system uses an array of four gas sensors (one each for methane, propane, carbon monoxide, and smoke) which are connected to an Intel Edison for automatic gas sensing and...
View ArticleArduino alarm shield
IngGaro‘s entry to the 2015 Hackaday’s Prize contest is an Arduino Alarm Shield that supports NFC and RFID activation with authorization control and can turn an Arduino Mega 2560 board into an...
View ArticleFour phase stepper motor controller
Rajkumar Sharma shares his unipolar 4-phase stepper motor controller board on Electronics Lab website. 4-phase stepper motor controller Unipolar 4-Phase Stepper Motor Controller Board will help you...
View ArticleUnlock a door with a tap on your Apple watch
Marc Jensen, James Squires, and Shawn Roske over Make have posted great instructions on making an Apple watch door unlocker using RFduino, which can unlock your front door with just a tap on an app....
View Article2D Pen Plotter using old CD drives and Raspberry Pi
Norbert Heinz’s 2D Pen plotter is built using two repurposed CD-ROM drives along with four H bridges, an additional servo and a Raspberry Pi as main controller. Powered by a 6V lead acid battery, his...
View ArticleReturn path discontinuity and EMI
While designing PCBs for high frequency circuits, it is critical that the characteristic impedance is under control for signal integrity and minimal EMI. One of the biggest concerns in doing so is the...
View ArticlePIC24 Development Board
Brian Dorey shares the schematics and design files for his PIC24 Development board that works with the PIC24FJ128GC006 as well as DSPIC33EP256MU806 dsPIC series microcontrollers. PIC24 development...
View Article