Introducing the Electromaker Multimeter W!

Note: We have Raspberry Pi Pico's in stock and can ship worldwide!

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Here at Electromaker, we understand the challenges faced by makers, and after putting our best and brightest to the task (Robin, of course), we have come up with the ultimate solution; the Electromaker Multimeter W! 

Powered by a Raspberry Pi Pico W, the multimeter is able to read both current and voltage simultaneously via two independent inputs while making this data available over a web interface. The use of an external circuit allows for the Pico W to read voltages and currents safely with numerous protection circuits, and the use of a current-to-voltage converter allows the Pico W to use an ADC to measure current.

Thanks to the Pico W’s Wi-Fi capabilities, we use the Pico to host a simple website that can be accessed by any device on the local network. This web page displays the current reading of both ADCs with some additional processing so that the correct voltage and current are shown. At the same time, JavaScript that locally runs in-browser make repeated GET requests for new data, and this allows the web page to show live changes in data without needing to refresh.

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▬ Contents of this video ▬▬▬▬▬▬▬▬▬▬

The trouble with multimeters 00:00
Introducing the Electromaker Multimeter W 02:26
How it works, the schematic 04:12
The Raspberry Pi Pico W Code 09.36
The HTML code 12.04
How you can support us! 14:25
PCBs, how he makes it! 14:57
A practical demonstration 16:15
Final thoughts 17:57