Mateusz Pająk
Published © MIT

Matter Energy Harvesting Power Meter

Simple device to measure power in higher load home circuits

IntermediateFull instructions provided10 hours393

Things used in this project

Hardware components

Ceramic Disc Capacitor, 2200 pF
Ceramic Disc Capacitor, 2200 pF
×2
Supercapacitor, 0.47 F
Supercapacitor, 0.47 F
×1
1N5819 – 1A Schottky Barrier Rectifier
1N5819 – 1A Schottky Barrier Rectifier
×4
Zener Single Diode, 3.3 V
Zener Single Diode, 3.3 V
×1
BS250 P-FET
×4
BS170 N-FET
×4
BC557 PNP
×1
Current Sense Through Hole Resistor, 0.1 ohm
Current Sense Through Hole Resistor, 0.1 ohm
×1
Resistor 100 ohm
Resistor 100 ohm
×2
Through Hole Resistor, 10 ohm
Through Hole Resistor, 10 ohm
×2
Through Hole Resistor, 4.7 kohm
Through Hole Resistor, 4.7 kohm
×7
Resistor 1k ohm
Resistor 1k ohm
×3
Through Hole Resistor, 40 kohm
Through Hole Resistor, 40 kohm
×2
General Purpose Dual Op-Amp
Texas Instruments General Purpose Dual Op-Amp
×1
R-78S3.3-0.1 DC/DC Boost regulator
×1
74HC86 XOR
×1
nRF7002 Development Kit
Nordic Semiconductor nRF7002 Development Kit
×1
Current Transducer, 100A
Current Transducer, 100A
×1

Software apps and online services

Visual Studio Code Extension for Arduino
Microsoft Visual Studio Code Extension for Arduino
nRF Connect SDK
Nordic Semiconductor nRF Connect SDK
OpenThread Border Router

Hand tools and fabrication machines

Soldering iron (generic)
Soldering iron (generic)

Story

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Custom parts and enclosures

Source code + CAD + Schematics

Schematics

Source code + CAD + Schematics

Code

Source code + CAD + Schematics

Credits

Mateusz Pająk

Mateusz Pająk

12 projects • 33 followers
DIY euthasist, Control and Robotics M.Eng and C++ Developer (Automotive), Currently playing with Autonomous Agents, ML and Advanced Control.

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