width modulationquoquotientRradiusRAMrandom‐access memoryRCremote controlregregisterremremainderRFradio frequencyRGBred, green, blueROMread‐only memoryRS‐232recommended standard 232RTCreal‐time clockR/Wread/writessecond(s)SCLserial clockSCLKserial clockSDAserial dataSDKsoftware development kitSiPsystem in packageSMTsurface‐mount technologySoCsystem on chipSPIserial peripheral interfaceSPLDsimple programmable logic deviceSSslave selectSRAMstatic random‐access memorySWsoftwareTtime period (or period)TCKtechnological content knowledgeToFtime‐of‐flightTKtechnology knowledgeTPACKtechnological pedagogical content knowledgeTPKtechnological pedagogical knowledgeUARTuniversal asynchronous receiver/transmitterUSBuniversal serial busUVPROMultraviolet programmable read‐only memoryvvoltsVPLvisual programming languageWwidth
