This article examines some subtle details associated with the high-frequency performance of decoupling capacitors.
This article examines some subtle details associated with the high-frequency performance of decoupling capacitors.
This article discusses a 3.3 V power-supply circuit that is built around an inductorless DC/DC converter and a solar cell.
This article discusses a 3.3 V power-supply circuit that is built around an inductorless DC/DC converter and a solar cell.
In this article we’ll discuss the design for a custom microcontroller programming/debug/extension PCB and we’ll look…
In this article we’ll discuss the design for a custom microcontroller programming/debug/extension PCB and we’ll look at an example project.
This article covers the various roadblocks encountered in a new design and how they were troubleshot and overcome.
This article covers the various roadblocks encountered in a new design and how they were troubleshot and overcome.
The MSP430FR2633 is a low-power microcontroller with multiple GPIOs and capacitive touch pins. This project creates a…
The MSP430FR2633 is a low-power microcontroller with multiple GPIOs and capacitive touch pins. This project creates a circuit that supports a custom capacitive touch panel with LED and haptic feedback.
This is a protoype of a fitness wearable device designed to vibrate when it detects stagnation.
This is a protoype of a fitness wearable device designed to vibrate when it detects stagnation.
Manufacturers can use fixtures or panels to secure or frame fragile, thin, or oddly shaped PCBs. This allows them to…
Manufacturers can use fixtures or panels to secure or frame fragile, thin, or oddly shaped PCBs. This allows them to easily fit the boards in the standard assembly or inspection machines.
In this article, we discuss why PCB copper traces should be plated, and we’ll review various plating materials and…
In this article, we discuss why PCB copper traces should be plated, and we’ll review various plating materials and plating methods.
The best way to solder surface mount devices (SMDs) onto printed circuit boards (PCBs) is with a reflow oven, but when…
The best way to solder surface mount devices (SMDs) onto printed circuit boards (PCBs) is with a reflow oven, but when that's not possible, a hot-air station can be successfully used.
Learn about SKD v2.0.0 and how flashing your ESP-01's firmware just got easier.
Learn about SKD v2.0.0 and how flashing your ESP-01's firmware just got easier.
No more waiting around for the groundhog. The Punxsutawney 5000 is here to keep you inside until springtime arrives!
No more waiting around for the groundhog. The Punxsutawney 5000 is here to keep you inside until springtime arrives!
LED ring flashes and lights can be a valuable tool for photographers. In this tutorial, we are going to build our own…
LED ring flashes and lights can be a valuable tool for photographers. In this tutorial, we are going to build our own ring light out of LEDs!
Tracking an infrared light source is not as difficult as you might think; a 14-pin PICAXE, a stepper motor with a driver…
Tracking an infrared light source is not as difficult as you might think; a 14-pin PICAXE, a stepper motor with a driver IC, three phototransistors, and a few other components will do the trick.
A PICAXE 08M2 can be used to read the amount of IR (infrared) light falling on a phototransistor and respond by moving a…
A PICAXE 08M2 can be used to read the amount of IR (infrared) light falling on a phototransistor and respond by moving a servo to a predetermined position.
This article uses examples to explain the technique of source transformation.
This article uses examples to explain the technique of source transformation.
We’ll discuss some important layout and manufacturing concepts as we look at the PCB for the Robot Control Board.
We’ll discuss some important layout and manufacturing concepts as we look at the PCB for the Robot Control Board.
Tutorial on designing a Bluetooth Low Energy (BLE) circuit with the ability to measure 9-axis motion, humidity, and temperature.
Tutorial on designing a Bluetooth Low Energy (BLE) circuit with the ability to measure 9-axis motion, humidity, and temperature.
We’ll continue our discussion of the C-BISCUIT demo bot by looking at portions of the RCB schematic that weren’t…
We’ll continue our discussion of the C-BISCUIT demo bot by looking at portions of the RCB schematic that weren’t covered in the previous article.
Use an Arduino/Genuino 101 with iAQ-Core air quality and HIH-6131 temperature/humidity sensors to make an Indoor Air…
Use an Arduino/Genuino 101 with iAQ-Core air quality and HIH-6131 temperature/humidity sensors to make an Indoor Air Quality Monitor with Bluetooth low energy (BLE) connectivity.
A tipping bucket rain gauge is a clever way to measure rainfall. Learn how to add wireless capability, a PICAXE…
A tipping bucket rain gauge is a clever way to measure rainfall. Learn how to add wireless capability, a PICAXE microcontroller, and an LCD display to your weather station.
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