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ELECTRONICS


Electronics Articles

There are a range of electronic devices available to manage renewable energy systems and to assess energy usage. Find out more about them here.

Freeloader Pico
Buy the new economical Freeloader Pico solar charger
Article Last Modified: 12:37, 8th Dec 2009
solar | shopping | electronics

Solar Charge Controller
Find out more about Solar Charge Controllers
Article Last Modified: 11:12, 29th Oct 2009
solar | electronics | electric circuit

Battery Desulfation
Find out how to desulfate/desulphate and rejuvenate lead acid batteries
Article Last Modified: 16:56, 5th Oct 2009
storage | electronics

Drayton SHR52120 Solar Thermal Controller
Find out more about (and buy) the Drayton SHR 521 20 solar thermal controller
Article Last Modified: 11:44, 3rd Oct 2009
solar | water | heating | electronics | shopping

Latching Relays
Find out about latching relays and their uses
Article Last Modified: 17:03, 18th Aug 2009
electronics | electric circuit | general

Timer Circuits With 4060B
Build a reliable timer to switch devices on and off - from 30 seconds to 24 hours
Article Last Modified: 09:58, 15th Aug 2009
electronics | electric circuit

Repeat Timer Circuit
Make a repeat timer circuit with large intervals between ON times
Article Last Modified: 09:58, 15th Aug 2009
electric circuit | electronics | general

Control Mains Powered Devices with Low Voltage
Switch mains powered devices on and off safely and simply with low voltages
Article Last Modified: 13:07, 3rd Aug 2009
general | education | electric circuit | electronics

Solar Pump Controller for Swimming Pools
Read about the new REUK solar pump controller for swimming pool heating
Article Last Modified: 16:37, 1st Jun 2009
solar | heating | electronics

Make a Waterproof Temperature Probe
Find out how to make a waterproof temperature probe
Article Last Modified: 16:37, 1st Jun 2009
electronics | heating | water

Use a Chest Freezer as a Fridge
Find out how a chest freezer can be converted to operate as an energy efficient fridge
Article Last Modified: 12:26, 30th May 2009
energy efficiency | electronics | carbon

Low Voltage Battery Disconnect Circuits
Find out more about low voltage battery disconnect (LVD) circuits - used to protect batteries
Article Last Modified: 15:04, 28th May 2009
electric circuit | electronics | storage

Using Breadboard to Make Circuits
Find out how a breadboard is used to design prototype electronic circuits
Article Last Modified: 12:52, 11th Apr 2009
electronics | education

Dynamo Hubs For Wind Turbines
Dynamo Hubs and bottle dynamos for use in small DIY wind turbine generators
Article Last Modified: 12:18, 11th Apr 2009
wind | electronics

Renewable Energy Powered Timer Relay Switch
Powering an AA battery powered timer thermostat directly with a 12V power source
Article Last Modified: 16:12, 24th Mar 2009
electric circuit | electronics | general

Convert Thermostat to 12v Timer Switch
Find out how to modify a battery powered thermostat to be used as a 12 Volt DC timer switch
Article Last Modified: 16:12, 24th Mar 2009
electronics | electric circuit | general

Multiple PIR Sensor Circuits
Connecting more than one PIR sensors in a circuit
Article Last Modified: 17:00, 9th Mar 2009
electronics | electric circuit | general

Do It Yourself Power Meter
Find out how to make your own power meter to measure electricity consumption
Article Last Modified: 11:02, 7th Jan 2009
electronics | education | energy efficiency

What Are Ultracapacitors
Find out about ultracapacitors - how they work and what they are used for.
Article Last Modified: 16:38, 15th Dec 2008
storage | electronics

Wind Up Eco Media Player
Find out more about the Eco Media Player - the world's first windup video player from Trevor Baylis
Article Last Modified: 16:38, 15th Dec 2008
shopping | electronics | carbon

Wind Turbine Charge Controller
Buy a charge controller for a wind turbine generator
Article Last Modified: 15:46, 3rd Dec 2008
wind | electronics | shopping

Solar Powered Poultry Lighting
Put together a solar system to power poultry lighting - increase winter egg production
Article Last Modified: 10:21, 15th Nov 2008
solar | electric circuit | general | electronics

Convert Digital Mains Timer To Low Voltage
Convert a cheap digital mains timer into a low voltage programmable timer relay
Article Last Modified: 10:21, 15th Nov 2008
electronics | electric circuit | general

Relays and Renewable Energy
Find out more about relays and their uses in renewable energy applications
Article Last Modified: 10:50, 24th Oct 2008
electric circuit | electronics | general

Simple Well Pump Controller
Find out how to automatically get water from the well into a header tank
Article Last Modified: 11:52, 1st Oct 2008
water | electronics | electric circuit

Solargorilla Laptop Charger
Find out about the Solargorilla - a rugged solar powered laptop charger
Article Last Modified: 12:55, 25th Sep 2008
shopping | solar | electronics

Relay Boards
Find out about relay boards - what they are, where to buy them, and how to use them
Article Last Modified: 15:16, 19th Sep 2008
general | electric circuit | electronics

PICAXE Microcontrollers
Find out about PICAXE microcontrollers and their use in renewable energy projects
Article Last Modified: 12:12, 18th Sep 2008
electronics | electric circuit | education

Steca TR 0301 Solar Water Heating Controller
Find out more about the Steca TR0301 temperature difference controller
Article Last Modified: 17:05, 15th Sep 2008
water | solar | heating | electronics

LM317T Voltage Regulator Chip
Learn about the LM317T and its uses in renewable energy projects
Article Last Modified: 14:35, 9th Sep 2008
electronics | electric circuit

Rainwater Toilet Flush System
Find out how to put together a complete rainwater fed toilet flushing system
Article Last Modified: 15:16, 19th Aug 2008
water | general | electronics

Fuse and Solar Panels
Using a fuse to prevent a short circuit when connecting solar panel to battery
Article Last Modified: 15:16, 19th Aug 2008
electronics | solar

Shunt Regulator
Find out about the uses of shunt regulators and dump load controllers in renewable energy applications
Article Last Modified: 15:13, 19th Aug 2008
electronics | electric circuit

Germanium Diodes
Learn about the advantages of Germanium Diodes
Article Last Modified: 13:43, 8th Aug 2008
electronics

12 Volt Programmable Timer Switch
Automatically control devices with a 12 Volt powered timer switch
Article Last Modified: 13:26, 7th Aug 2008
electronics | lighting | general

Use Thermostat as 12 Volt Timer
Find out how an old battery powered thermostat can be used as a low voltage automatic timer
Article Last Modified: 13:21, 7th Aug 2008
electric circuit | electronics | general

Switch Mains Powered Appliances Safely
Find out how to safely control mains-powered devices automatically without needing an electrician
Article Last Modified: 16:41, 6th Aug 2008
electric circuit | electronics | general

Simple Sump Pump Controller
Put together a sump pump controller with two float switches and NO electronics
Article Last Modified: 08:58, 5th Aug 2008
water | electric circuit | electronics

Owl Wireless Electricity Monitor
Find out more about the Owl wireless electricity monitor (formerly know as Electrisave)
Article Last Modified: 10:14, 4th Aug 2008
shopping | carbon | electronics

Watts Up Meter
Track power usage, voltage and current with a Watts-Up meter
Article Last Modified: 12:24, 1st Aug 2008
storage | electronics | shopping | energy efficiency

Renewable Energy System Data Logger
Track the performance of your RE system with a data-logger
Article Last Modified: 09:56, 31st Jul 2008
electronics | general | shopping

Solar Charge Controllers on eBay
Find out about the selection of solar charge controllers available on ebay
Article Last Modified: 15:43, 29th Jul 2008
solar | electronics | shopping

Power Inverters
Find out about the uses of power inverters in renewable energy generation
Article Last Modified: 16:41, 21st Jul 2008
storage | general | electronics

DC Voltage Multiplier Circuit Plans
Build a circuit to boost the voltage of a DC power source using a MAX756 IC Chip
Article Last Modified: 09:06, 10th Jul 2008
electric circuit | electronics | education

Sump Pump Control System
Put together a fully automatic system to reliably pump out the water collected in a sump pit
Article Last Modified: 16:02, 2nd Jul 2008
water | electric circuit | electronics

Sturmey Archer Dynohub
The Sturney Archer Dynohub in RE Applications
Article Last Modified: 16:37, 3rd Jun 2008
wind | electronics

P3 Kill a Watt PS P4320
Find out more about the Kill-a-Watt Power Strip P4320
Article Last Modified: 13:20, 30th Apr 2008
energy efficiency | electronics | general

LM317 Voltage Calculator
A handy online output voltage calculator for the LM317, LM338, and other linear voltage regulators
Article Last Modified: 12:47, 12th Mar 2008
electric circuit | electronics | general

LM317 Current Calculator
A handy online output current calculator for the LM317, LM338, and other linear voltage regulators
Article Last Modified: 12:47, 12th Mar 2008
electric circuit | electronics | general

Using The LM317T To Regulate Voltage
Use an LM317T to regulate voltage in renewable energy projects
Article Last Modified: 15:04, 7th Mar 2008
electric circuit | electronics

Making Very Accurate Timers
Find out about how to make very accurate electronic timers
Article Last Modified: 14:12, 20th Feb 2008
electronics

EyeMax Freeplay Wind Up Radio
Find out more about the Freeplay EyeMax Eco-Charge AM/FM Radio
Article Last Modified: 10:24, 13th Feb 2008
shopping | electronics | general

Solar Tracker
Set up solar panels to track the motion of the sun across the sky to maximise power output
Article Last Modified: 10:37, 9th Feb 2008
solar | electronics

Understanding Liquid Sensors
Learn more about liquid sensors and their limitations compared to float switches
Article Last Modified: 12:16, 2nd Feb 2008
water | electronics

Adjustable Step Up Voltage Regulator
Find out more about a step up voltage regulator used to output a voltage higher than the input voltage
Article Last Modified: 11:42, 15th Dec 2007
electronics | electric circuit | general

High Current Voltage Regulation
Connect voltage regulators in parallel to increase the current which can be regulated
Article Last Modified: 17:16, 5th Dec 2007
electric circuit | electronics | general

Buy UK Power Meter
Buy a UK Compliant Kill-a-watt
Article Last Modified: 09:51, 30th Nov 2007
carbon | energy efficiency | electronics | general

LED Dimmer Circuit
Find out how to put together a simple but efficient PWM dimmer circuit for LEDs
Article Last Modified: 16:03, 21st Nov 2007
lighting | electronics | electric circuit

Water Pump Hysteresis Circuit
A simple circuit to prevent a pump being damaged by being turned on and off rapidly (multiswitching)
Article Last Modified: 14:54, 19th Nov 2007
water | electronics | electric circuit

PIR Sensor Circuits
Find out more about using PIR sensors within renewable energy applications
Article Last Modified: 11:32, 3rd Nov 2007
electronics | electric circuit | general | solar

LM741 Light Dark Sensor Circuit
Build a light/dark sensing circuit to automatically turn on/off lights and other devices
Article Last Modified: 08:43, 2nd Nov 2007
electronics | electric circuit | general

LM741 OpAmp Voltage Indicator
Plans for a simple voltage high/low indicator built around an LM741 operational amplifier
Article Last Modified: 09:31, 8th Oct 2007
electronics | electric circuit | general

PIR Sensors
Find out how to integrate PIR (passive infra red) sensors into renewable energy applications
Article Last Modified: 15:30, 2nd Oct 2007
electronics | solar | general

Buy 35A Bridge Rectifiers
Buy 35A 600V MB356 Bridge Rectifiers in the UK
Article Last Modified: 09:43, 30th Jul 2007
electronics | wind

12 Volt Battery Low Indicator LM741
Plans for a battery low indicator for a 12 Volt battery using an LM741 operational amplifier
Article Last Modified: 10:17, 28th Jul 2007
electronics | electric circuit | general

Solar Water Heating Pump Controller
Build an electronic pump controller for a solar water heating system
Article Last Modified: 11:33, 9th Jul 2007
water | solar | electronics

Solar Powered Wireless CCTV
Use a solar panel to power a wireless CCTV system
Article Last Modified: 09:32, 26th Jun 2007
solar | electronics | electric circuit

TL431 Battery Voltage Monitor
Monitor the voltage of a battery or battery bank using an TL431 (aka LM431) shunt regulator
Article Last Modified: 16:42, 11th Jun 2007
storage | electric circuit | electronics

Power 12V LED Spotlight with 4 AA Batteries
Use a DC-DC converter to step up the voltage from 4 AA batteries to light a bright 12V LED spotlight
Article Last Modified: 11:41, 22nd May 2007
lighting | electronics | education

Fixed Voltage Regulators
Use a voltage regulator to obtain a fixed voltage supply (at <1.5 Amps) from a variable source
Article Last Modified: 11:17, 21st May 2007
electric circuit | electronics

Voltage Doubler for Solar Battery Charger
Boost the voltage of a solar panel to power higher voltage devices or charge batteries
Article Last Modified: 13:15, 16th May 2007
solar | electronics | education

What is a Transistor
A basic introduction to bipolar junction transistors
Article Last Modified: 11:15, 23rd Apr 2007
electronics | education

Example Transistor Circuit with LEDs
Put together a very simple circuit which uses LEDs to show how transistors work
Article Last Modified: 11:12, 23rd Apr 2007
electronics | education

Reed Switches
Find out more about reed switches and their uses in RE
Article Last Modified: 09:54, 4th Apr 2007
electric circuit | electronics | wind

Making a Bridge Rectifier
Find out how to make a bridge rectifier for your wind turbine
Article Last Modified: 16:17, 22nd Mar 2007
electronics | wind

Basic Ammeters and Voltmeters
Find out how to monitor the health of your RE system's generator and batteries
Article Last Modified: 18:17, 26th Feb 2007
electronics | storage | wind | solar

Kill a Watt
Review of the Kill-a-Watt Energy Usage Meter
Article Last Modified: 16:56, 19th Feb 2007
energy efficiency | electronics | general

Diodes and Solar Panels
Why are solar panels connected to batteries through a diode?
Article Last Modified: 18:00, 2nd Feb 2007
electronics | solar

Bridge Rectifier
Find out more about bridge rectifiers.
Article Last Modified: 15:33, 2nd Feb 2007
electronics | wind | wave

Grid Tie Inverters
Find out more about Grid Tie Inverters - connect your RE system to the grid
Article Last Modified: 16:36, 2nd Jan 2007
general | wind | solar | electronics

Fuel Cells
Introduction to Fuel Cell technology and its benefits and disadvantages
Article Last Modified: 12:20, 21st Apr 2006
transport | electronics

Battery System Monitor
Find out how to monitor your renewable energy system battery bank
Article Last Modified: 20:28, 30th Mar 2006
electronics | storage

© 2006-2010 REUK - All Rights Reserved
Page Last Updated on 6th February 2010 at 11:36:54am

Latest
Articles


Feed in Tariff
Find out more about feed in tariffs - the amount you can be paid for exporting renewable electricity to the National Grid
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LM2940 12V 1A Low Dropout Regulator
Find out how to use an LM2940 to efficiently regulate voltage
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Amperor 12 Volt LCD TFT Stabiliser
A 12V regulator for use with flat screen televisions and more
shopping
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Water Two Greywater Diverter Review
The REUK review of the Water Two greywater diverter.
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Wattson Energy Meter
Find out more about the Wattson Energy Meter from DIY Kyoto
shopping
09:37, 5th Jan 2010

Pharox 240V LED Lightbulbs
New 240V LED lightbulbs which can be used in place of standard incandescents
lighting
09:41, 4th Jan 2010

Three Gorges Dam
Learn about the world's largest dam and hydro electric project
hydro
08:49, 4th Jan 2010

Freeloader Pico
Buy the new economical Freeloader Pico solar charger
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12:37, 8th Dec 2009



REUK Shop

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REUK SUPER TIMER
User programmable 12V powered 10A rated repeating relay timer. 1 second to 99 hours ON and OFF times
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