David Bender 28 Posted December 23, 2014 Share Posted December 23, 2014 Harbor Freight offers a decent deal on a digital gauge that also communicates its reading (much like a Chinese calipers). I built up an MSP430 based solution to retransmit this data via UART and externally power the dial gauge (eliminating the need for a button cell battery). Project details are at https://analog10.com/posts/external_power_for_the_pittsburgh_dial_gauge.html Code is at https://github.com/analog10/Digital_Dial_Gauge_Reader Happy Holidays pine and Automate 2 Quote Link to post Share on other sites
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