Limiting Inrush Current
Basic Electronics

Limiting Inrush Current

aimtec.com has a basic article on how to limit inrush current using passive components. Inrush current or input surge current refers to the maximum, instantaneous input current drawn by an electrical device during its initial turn on. Power converters also feature high inrush...

Continue Reading
2614
Views
0 Comments
An Introduction to LiPo Batteries
Basic Electronics

An Introduction to LiPo Batteries

Average Man Vs Raspberry Pi has a handy article on LiPo batteries. LiPo batteries – to fear or not to fear? Up until very recently, I was petrified. Whilst most other competitors at Pi Wars 2015 were happily using this angry and volatile battery technology, Average Man over...

Continue Reading
4123
Views
0 Comments
Basics of the I2C Communication Protocol
Basic Electronics

Basics of the I2C Communication Protocol

circuitbasics.com talks about the I2C protocol, it's use and it's advantages and disadvantages. I2C combines the best features of SPI and UARTs. With I2C, you can connect multiple slaves to a single master (like SPI) and you can have multiple masters controlling single, or multiple...

Continue Reading
4064
Views
0 Comments
Basics of the SPI Communication Protocol
Basic Electronics

Basics of the SPI Communication Protocol

circuitbasics.com talks about the SPI serial communications protocol: One unique benefit of SPI is the fact that data can be transferred without interruption. Any number of bits can be sent or received in a continuous stream. With I2C and UART, data is sent in packets, limited to...

Continue Reading
4747
Views
0 Comments
Conventional Flow vs Electron Flow Explained
Basic Electronics

Conventional Flow vs Electron Flow Explained

"baldengineer" explains which way the current flows. A couple of weeks ago I wrote about four current flow direction myths. As a follow up to that popular post, I decided to dedicate this month’s AddOhms electronics tutorial video to Current Flow. In episode #19, I tackle the...

Continue Reading
3232
Views
0 Comments
LM317 smooths but doesn’t regulate
Basic Electronics

LM317 smooths but doesn’t regulate

Michael Dunn discuss about a circuit that smooths ripple and noise but doesn't regulates the output. A well known power supply circuit is the capacitance multiplier. It doesn't regulate, but instead reduces ripple & noise while the output tracks at some fraction of the input...

Continue Reading
4349
Views
2 Comments
Latching power switch uses momentary-action pushbutton
Basic Electronics

Latching power switch uses momentary-action pushbutton

Anthony Smith @ edn.com published a push button latching circuit able to control a load with a single push of a button. The circuit in Figure 1 shows how you can use a simple, momentary-action, SPNO (single-pole, normally open) pushbutton switch to latch power to a load. Requiring...

Continue Reading
6104
Views
0 Comments
Analogue Sensors – Calculate the Nonlinearity Introduced by a Load or Pull Down Resistor
Basic Electronics

Analogue Sensors – Calculate the Nonlinearity Introduced by a Load or Pull Down Resistor

Tecwyn Twmffat @ instructables.com discuss about the notlinearity introduced by adding a pull down resistor and why you may get unpredictable readings from your ADC. For many years I found that I would get strange, unpredictable, readings from my sensor related projects at the...

Continue Reading
3475
Views
0 Comments
Archives