In spite of their convenience, the cost of solder paste stencils has prevented many hobbyists from using them. But the use of polyimide film has brought the…
In spite of their convenience, the cost of solder paste stencils has prevented many hobbyists from using them. But the use of polyimide film has brought the prices within reach... if you know how and where to get them.
Continuing the C-BISCUIT series, this article outlines how to populate and test the surface mount PCBs designed in a…
Continuing the C-BISCUIT series, this article outlines how to populate and test the surface mount PCBs designed in a previous article using a hot air rework station and other various electronics tools.
Combine the Si4844-A10 analog-tuned radio receiver with an Arduino to make a full-featured multiband radio.
Combine the Si4844-A10 analog-tuned radio receiver with an Arduino to make a full-featured multiband radio.
The PICAXE 40X2 features 32 I/O ports and speeds up to 64MHz; a development platform simplifies project design using this…
The PICAXE 40X2 features 32 I/O ports and speeds up to 64MHz; a development platform simplifies project design using this workhorse.
In this article, we will take a detailed (but not too detailed) look at the electrical principles that allow us to detect…
In this article, we will take a detailed (but not too detailed) look at the electrical principles that allow us to detect the presence of a human finger using little more than a capacitor.
The mighty soldering iron. If you need one, want one, or just love to build stuff, then this project is for you.
The mighty soldering iron. If you need one, want one, or just love to build stuff, then this project is for you.
Counters using 7-segment LEDs are fun and useful projects for scoreboards and other numerical displays; here's one you can build.
Counters using 7-segment LEDs are fun and useful projects for scoreboards and other numerical displays; here's one you can build.
Learn how to build a device which senses when your computer monitor is physically rotated, and automatically tells your…
Learn how to build a device which senses when your computer monitor is physically rotated, and automatically tells your computer to rotate the display accordingly.
Design and theory behind the 5V-3A buck regulator based on the LM25575 to be used in the C-BISCUIT robot project.
Design and theory behind the 5V-3A buck regulator based on the LM25575 to be used in the C-BISCUIT robot project.
Soldering surface mount components by hand can be done, but reflow soldering in an oven is much quicker and produces more…
Soldering surface mount components by hand can be done, but reflow soldering in an oven is much quicker and produces more consistent results. Building a microprocessor controlled reflow oven is well within the abilities and budget of many hobbyists.
A toaster oven can do more than just make toast; guided by a PICAXE microcontroller, it can make a sweet reflow soldering station.
A toaster oven can do more than just make toast; guided by a PICAXE microcontroller, it can make a sweet reflow soldering station.
Whether for cooking or reflow soldering, a thermocouple is often the best choice for a high temperature sensor. The…
Whether for cooking or reflow soldering, a thermocouple is often the best choice for a high temperature sensor. The MAX31855, a PICAXE-08M2, a serial LCD, and a few lines of code will do the trick.
The intuitive, step-by-step procedure presented in this article will help you to successfully perform reflow soldering in…
The intuitive, step-by-step procedure presented in this article will help you to successfully perform reflow soldering in your toaster oven.
A PCB for a Wi-Fi communicator using a PICAXE 08M2 and an ESP-01 module driven by interactive code makes a handy setup…
A PCB for a Wi-Fi communicator using a PICAXE 08M2 and an ESP-01 module driven by interactive code makes a handy setup for data collection and IoT reporting.
With the help of a DIY thermocouple measurement system, you can use a cheap toaster oven to accurately reproduce a…
With the help of a DIY thermocouple measurement system, you can use a cheap toaster oven to accurately reproduce a reflow-soldering temperature profile.
This article discusses style mistakes in PCB layout that can make assembly and debugging PCBs difficult. This is vital…
This article discusses style mistakes in PCB layout that can make assembly and debugging PCBs difficult. This is vital for designers!
This article contains practical PCB layout tips that can help your PCB projects work correctly and reliably.
This article contains practical PCB layout tips that can help your PCB projects work correctly and reliably.
What linear voltage regulator circuits lack in efficiency, they make up in simplicity and low noise. Here's a scheme for…
What linear voltage regulator circuits lack in efficiency, they make up in simplicity and low noise. Here's a scheme for 9 voltages from 2.5V to 15V on the same PCB design.
Part three of a series of articles on building a robot that can follow lines or walls and avoid obstacles!
Part three of a series of articles on building a robot that can follow lines or walls and avoid obstacles!
With this microcontroller-to-PC interface you can conveniently monitor a temperature and visualize how the temperature…
With this microcontroller-to-PC interface you can conveniently monitor a temperature and visualize how the temperature changes over time.