In this episode of the Gentleman Maker, we'll use a Raspberry Pi 3 Model B, an Arduino Nano, and an Arduino Uno to create a handy system to rid ourselves of…
In this episode of the Gentleman Maker, we'll use a Raspberry Pi 3 Model B, an Arduino Nano, and an Arduino Uno to create a handy system to rid ourselves of overly-colorful fashion choices.
This article looks at the mathematical calculations used to size the pull-up resistors and determine the maximum length…
This article looks at the mathematical calculations used to size the pull-up resistors and determine the maximum length of circuit traces.
In this project, we’re using an Arduino Uno and a Raspberry Pi 3 Model B to create an automatic wildlife camera. And,…
In this project, we’re using an Arduino Uno and a Raspberry Pi 3 Model B to create an automatic wildlife camera. And, as an added bonus, this camera works at night. Make one of your own to snap photos of local birds, parading pups, or sneaky humans.
This article discusses the PCB layout for a power-supply circuit that generates a regulated 3.3 V rail from a small solar cell.
This article discusses the PCB layout for a power-supply circuit that generates a regulated 3.3 V rail from a small 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.
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 digital down-conversion which is a digital-signal-processing technique widely used in digital…
This article discusses digital down-conversion which is a digital-signal-processing technique widely used in digital radio receivers.
This article explores the schematic design and basic features of a smart programmable wireless controller module I…
This article explores the schematic design and basic features of a smart programmable wireless controller module I designed: the WiCard.
This article is intended to help readers understand the good and the bad traits of Schmitt Trigger RC oscillators, which…
This article is intended to help readers understand the good and the bad traits of Schmitt Trigger RC oscillators, which are especially important because they are present in the internal oscillator in popular MCUs.
This article will review considerations for efficient FPGA implementation of symmetric FIR filters.
This article will review considerations for efficient FPGA implementation of symmetric FIR filters.
In this project, we'll use a Raspberry Pi to create a responsive piggy bank that belittles you when you slack on your savings!
In this project, we'll use a Raspberry Pi to create a responsive piggy bank that belittles you when you slack on your savings!
This article will review a basic algorithm for binary division.
This article will review a basic algorithm for binary division.
This article will review integrating a Xilinx IP core into an FPGA design.
This article will review integrating a Xilinx IP core into an FPGA design.
In this project, we will create the Sun Informer, a device that will alert us when the sun comes out and then alert us…
In this project, we will create the Sun Informer, a device that will alert us when the sun comes out and then alert us when we have been out for too long.
This technical brief explains two distinct types of electromagnetic interference.
This technical brief explains two distinct types of electromagnetic interference.
This article demonstrates a solderless-breadboard compatible carrier-board for a pre-certified BLE4 or BLE5 module made…
This article demonstrates a solderless-breadboard compatible carrier-board for a pre-certified BLE4 or BLE5 module made by GT-Tronics. Use it to experiment with your own BLE5 compatible designs.
Use a Honeywell particle sensor to measure 2.5 µm PM and 10.0 µm PM concentrations in your environment.
Use a Honeywell particle sensor to measure 2.5 µm PM and 10.0 µm PM concentrations in your environment.
Make a Spectacle of yourself at the next Comic-Con with Sparkfun's Spectacle line-up! Anyone can use it, it's as easy as…
Make a Spectacle of yourself at the next Comic-Con with Sparkfun's Spectacle line-up! Anyone can use it, it's as easy as plugging in a pair of headphones!
This article, part of AAC’s Analog Circuit Collection, presents a circuit that is a good choice when you need to remove…
This article, part of AAC’s Analog Circuit Collection, presents a circuit that is a good choice when you need to remove high-frequency noise from a digital signal.
This article will review different encoding methods that can be used to implement the states of an FSM.
This article will review different encoding methods that can be used to implement the states of an FSM.
This article explains some theory behind an extremely common electronic component.
This article explains some theory behind an extremely common electronic component.