66pacific.com - Resources for amateur
scientists :)
Resources for amateur scientists, aquarists, and radio and electronic designers
Online Calculators for Radio
& Electronic Design
Online calculators for designers, scientists, and engineers.
Capacitive Reactance
Calculator
A free online capacitive reactance calculator
Inductive Reactance
Calculator
A free online inductive reactance calculator
Coil Inductance
Calculator
A free online tool for coil winding calculations
Toroid Winding
Calculator
A free online tool for ferrite and iron powder toroidal coil winding calculations
Using the Toroid Winding Calculator
How to use the toroid winding calculator
Wire Gauge
& Diameter Calculator
A free online tool for wire-gauge-to-diameter and diameter-to-wire-gauge conversions
Using the Toroid Winding Calculator
How to use the toroid winding calculator
Small
Transmitting Loop Antenna Calculator
A free online tool for designing small transmitting loop antennas
pH Measurement & Control
Circuit - Intro and Getting Started
How to build a pH measurment and CO2 control circuit for a planted aquarium.
The pH Pages
pH measurement, pH control, and pH measurement components
CO2 & the Planted Aquarium
How to add CO2 to your planted aquarium
Setting Up a CO2-Injected
Aquarium
How to set up CO2 Injection for a Planted Aquarium
CO2 Tank
How to add CO2 to your planted aquarium
CO2 Regulator
How to add CO2 to your planted aquarium
Solenoid Valve
How to add CO2 to your planted aquarium
Metering Valve
How to add CO2 to your planted aquarium
DIY CO2 Injection for
the Planted Aquarium, Electronically Controlled
An improved method for Do It Yourself (DIY) CO2 injection for the planted aquarium.
A simple electronic controller (2 Radio Shack ICs) allows control over pH and CO2
level in the tank.
CO2 Injection System
Schematic Diagram and Explanation
Schematic diagram for a circuit that controls injection of CO2 into a planted aquarium.
CO2 Controller Parts
List
Parts list for a pH measurment and CO2 control circuit for a planted aquarium.
pH Test Kits
pH probe
pH Probe
pH probe
pH Calibration
Buffers
pH calibration
Calcium Carbonate pH Buffer
Information about calcium carbonate buffer.
The Simplest Possible
pH Meter
The simplest possible pH meter: an op amp, a volt meter, a pH probe, and 2 batteries
pH Measurement & Control
Circuit - Overview, Theory of Operation, Fundamentals
How to build a pH measurment and CO2 control circuit for a planted aquarium.
pH Measurement & Control
Circuit - Voltage Regulator and Reference Ground
How to build a pH measurment and CO2 control circuit for a planted aquarium.
pH Measurement & Control
Circuit - Amplifier
How to build a pH measurment and CO2 control circuit for a planted aquarium.
pH Measurement & Control
Circuit - Inverter and pH Display
How to build a pH measurment and CO2 control circuit for a planted aquarium.
pH Measurement & Control
Circuit - Comparator
How to build a pH measurment and CO2 control circuit for a planted aquarium.
pH Measurement & Control
Circuit - CO2 Valve Actuator
How to build a pH measurment and CO2 control circuit for a planted aquarium.
pH Measurement & Control
Circuit - Final Setup and Calibration
How to build a pH measurment and CO2 control circuit for a planted aquarium.
pH Measurement & Control
Circuit - Photos
How to build a pH measurment and CO2 control circuit for a planted aquarium.
Schematic for ph Measurement
& Control Circuit
Schematic diagram for a pH measurement and CO2 controller circuit
Part List for pH measure/control
circuit
Parts list for a pH measurment and CO2 control circuit for a planted aquarium.
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Contact
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