How to add BLE capabilities to a wireless ceiling fan by incorporating the nRF51 in the remote control. Part of our series on the nRF51.
How to add BLE capabilities to a wireless ceiling fan by incorporating the nRF51 in the remote control. Part of our series on the nRF51.
A tutorial for the Arduino Motor Shield with a simple project. The motor shield has quite a few features such as current…
A tutorial for the Arduino Motor Shield with a simple project. The motor shield has quite a few features such as current measuring and the ability to drive a single stepper motor.
A thorough understanding of bypass capacitors will help you to properly incorporate these critical components into your designs.
A thorough understanding of bypass capacitors will help you to properly incorporate these critical components into your designs.
Part 4 introduces the readadc, select, case, and endselect PICAXE BASIC commands. It is the fourth article in a…
Part 4 introduces the readadc, select, case, and endselect PICAXE BASIC commands. It is the fourth article in a multi-part series on writing PICAXE code.
Adding variable speed control and battery monitoring to a Power Wheels truck!
Adding variable speed control and battery monitoring to a Power Wheels truck!
Part 2 in the “How to Make an EFM8-Based Sound Synthesizer” series.
Part 2 in the “How to Make an EFM8-Based Sound Synthesizer” series.
ZigBee, Bluetooth and the newer Bluetooth Low Energy (BLE/Smart) are all communication protocols for Wireless Personal…
ZigBee, Bluetooth and the newer Bluetooth Low Energy (BLE/Smart) are all communication protocols for Wireless Personal Area Networks (WPANs), but they are optimized for different applications.
Part 1 in the “How to Make an EFM8-Based Sound Synthesizer” series, which will design a sound synthesizer that can…
Part 1 in the “How to Make an EFM8-Based Sound Synthesizer” series, which will design a sound synthesizer that can play standard musical notes. We will accomplish this using a low-cost, small-form-factor EFM8 microcontroller in conjunction with a few external components and a speaker.
This article walks through SCADA systems used to automate various power systems used in numerous industries. It also…
This article walks through SCADA systems used to automate various power systems used in numerous industries. It also details what the system is made up of, how they optimize performance in large-scale systems, and how these systems still poses a threat to a company's vulnerability to data and resources.
Basic refresher on instrumentation amplifiers, followed by a several real world applications in which an engineer would…
Basic refresher on instrumentation amplifiers, followed by a several real world applications in which an engineer would find this circuit.
Getting started with PSoC®, the Programmable-System-on-Chip by Cypress Semiconductor for developing and testing embedded systems.
Getting started with PSoC®, the Programmable-System-on-Chip by Cypress Semiconductor for developing and testing embedded systems.
Handling heat in electronics. Which components create heat, which components suffer from heat. Basics of heatsinking.
Handling heat in electronics. Which components create heat, which components suffer from heat. Basics of heatsinking.
This is one simple way to control a LED, fan, relay or solenoid with a computer and a PIC.
This is one simple way to control a LED, fan, relay or solenoid with a computer and a PIC.
Operational amplifiers are a cornerstone of EE design. Get your first taste of this topic through a few simple circuit exercises!
Operational amplifiers are a cornerstone of EE design. Get your first taste of this topic through a few simple circuit exercises!
An introduction to the properties and purposes of a negative resistance device. Later articles will extend to negative…
An introduction to the properties and purposes of a negative resistance device. Later articles will extend to negative impedances and some applications.
You and your friends are planning the greatest party your hometown has ever seen. Just one problem: you don't have a…
You and your friends are planning the greatest party your hometown has ever seen. Just one problem: you don't have a karaoke system. What's a great party with no karaoke? We're about to fix that. All you need are a few potentiometers and an op-amp.
The use of dependent sources when using Nodal Analysis.
The use of dependent sources when using Nodal Analysis.
Part 3 in the “How to Make an Ambient Light Monitor” series. The project continues by building an ambient light…
Part 3 in the “How to Make an Ambient Light Monitor” series. The project continues by building an ambient light sensor circuit on a breadboard, digitizing the circuit’s output signals, and interpreting the digitized measurements.
How to interface a Raspberry Pi to an I2C temperature sensor (TMP102) and then publish the data to a Google sheet and graph.
How to interface a Raspberry Pi to an I2C temperature sensor (TMP102) and then publish the data to a Google sheet and graph.
An in-depth look at transformer isolation. Electrical isolation is necessary to protect circuits, equipment, and people…
An in-depth look at transformer isolation. Electrical isolation is necessary to protect circuits, equipment, and people from shocks and short circuits, as well as to make accurate measurements. Isolation transformers are one way to go.
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