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Sender: "piclist-bounces@mit.edu" Date: Sat, 25 Jan 2020 14:18:43 -0800 Subject: Re: [EE] H-Bridge supply voltage spike only in "reverse" (not forward) Thread-Topic: [EE] H-Bridge supply voltage spike only in "reverse" (not forward) Thread-Index: AdXTzwOI+2f69N80Q7W9YoeIiO/Jwg== Message-ID: References: List-Help: List-Subscribe: , List-Unsubscribe: , In-Reply-To: Reply-To: Microcontroller discussion list - Public. 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Are you using a differential probe? If not, where is the probe GND connected? On Thu, Jan 23, 2020 at 2:09 PM Jason White < whitewaterssoftwareinfo@gmail.com> wrote: > Waveform of forward. This shows expected/normal behavior. > Trace 1 is voltage across H-Bridge. > Trace 2 is supply voltage. > -- > http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive > View/change your membership options at > http://mailman.mit.edu/mailman/listinfo/piclist > --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .