Learn · Build · Experiment
Electronics resources
Practical guides, interactive calculators, CircuitJS simulation and the complete MitchElectronics kit-instruction library — rebuilt for the BareMetal site.
Learn the fundamentals
Electronic guides
Start with components, prototyping and soldering, then follow the linked chapters for more detail.
Identifying Part Values
Learn practical ways to identify common resistor and capacitor values from colour bands and printed component codes.
Open guide →Making Circuits
A practical introduction to moving an electronics idea from a solderless breadboard towards more permanent construction methods.
Open guide →Soldering Guide — Through-Hole Parts
A staged guide to through-hole soldering, from the basic process and tool choice through to producing reliable joints on a PCB.
Open guide →SMD Soldering Guide
Learn what surface-mount components are, how to identify packages and polarity, and how to solder SMD parts using an ordinary soldering iron.
Open guide →Calculate & simulate
Online tools
Find the calculator or simulator you need without scrolling through the complete tool library.
Simulator
Use the in-browser CircuitJS simulator to inspect, alter and build electronic circuits without installing desktop software.
Open tool → FundamentalsPotential Divider Calculator
Calculate any one of VOUT, VIN, R1 or R2 for a two-resistor potential divider.
Open tool → FundamentalsOhm’s Law Calculator
Calculate voltage, current or resistance using Ohm’s law.
Open tool → FundamentalsLED Series Resistance Calculator
Calculate the LED series resistor or solve for supply voltage, forward voltage or current.
Open tool → 555 timers555 Astable Calculator
Calculate a 555 astable timing component or time period and view frequency, duty cycle, on-time and off-time.
Open tool → 555 timers555 Monostable Calculator
Calculate the pulse time, timing resistor or timing capacitor for a 555 monostable.
Open tool → Op-ampsNon-Inverting Amplifier Gain Calculator
Calculate closed-loop gain or either feedback resistance for a standard non-inverting op-amp stage.
Open tool → Op-ampsInverting Amplifier Gain Calculator
Calculate closed-loop gain or either resistance for a standard inverting op-amp stage.
Open tool →No tools match that search.
Build with confidence
Kit instructions
All live kit-resource pages from the previous site, now using the common resource template and product-linked BOM data.
No kit instructions match that search.
Need more help?
Take the circuit further
If you need help adapting a kit, choosing component values or turning a prototype into a PCB, the engineering services and contact pages are one click away.