Finally I've made a working battery based portable soldering iron. This one can melt solder in under 10 seconds, which is amazing. The soldering iron weighs just above 100 grams, is comfortable to use, it can reach more than 300 degrees, it's very fast, we can recharge it with a USB co... view more

• portable
• DIY
• Soldering
• Arduino
• digital
• iron

Post by ardutronic. Sometimes I feel like soldering outdoors, but I can't take my soldering station outside, so I decided to make a wireless soldering iron.  view more

• wireless
• DIY
• portable
• Soldering
• iron
• homemade
• 3D printed

Months back I've made an Arduino based multimeter that was able to measure quite well voltage, current, capacitance, inductance and resistance. That was soldered on a homemade PCB and with wire connections, you can see that tutorial here. But that version had some errors. First of all the ci... view more

• multimeter
• homemade
• DIY
• Arduino
• OLED
• portable

Finally, the board works perfect. So I could make a 3D design for the case and this is a final product that could end up on Kickstarter. It is a very cheap project, around 15$ for all the parts . On this tutorial you willhave a full part list, the schematic and layout of the board in case you wan... view more

• Soldering
• iron
• portable
• DIY
• homemade
• Arduino
• T12

We all know that our smartphone's battery is always out of juice when we really needed it, for example to make an imp... view more

• DIY
• emergency
• powerbank
• charger
• portable
• EDC
• lipo
• circuit

Around 2 years back I've made a huge portable Bluetooth speaker but that had some errors with the circuit. Then, I've made a small portable bluetooth speaker that had a good circuit. Now, I'me making a new version for the big speaker but with all the errors corrected. It will have a 6S battery pa... view more

• DIY
• speaker
• battery
• bluetooth
• portable
• circuit
• rechargable