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In this video I design and build an alarm system using a Sparkfun serial LCD kit, an Arduino Pro Mini (5V, 16MHz), and a 4x3 matrix keypad, along with other bits and pieces.

Measurement & Analysis Instruments: https://goo.gl/gPxTxT

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Some Of My Electronics Tools (video and purchase links)

Boonton

4220. 8210: https://defs.link/?u=e1eddc

Fluke

8842A: 45: https://defs.link/?u=eac51d 343A: https://defs.link/?u=13c93d 5200A: https://defs.link/?u=a43c99 540B: https://defs.link/?u=0c6bd9 893A. A90.

HP/Agilent/Keysight

4261A: https://defs.link/?u=07ed95 5005A. 5342A 18GHz: https://defs.link/?u=5f7513 6181B: https://defs.link/?u=b12aef 8012B: https://defs.link/?u=ca5764 8648B: https://defs.link/?u=da52a3 8901B: https://defs.link/?u=535835 DSOX1102G: https://defs.link/?u=a68d39 https://defs.link/?u=12d498 E3646A: https://defs.link/?u=128f4a

Marconi

2022D. 2955. TF2103: https://defs.link/?u=61baaa

Rohde & Schwarz

SMY: https://defs.link/?u=93514b CMU200: https://defs.link/?u=8ccd72 Polarad SPN: https://defs.link/?u=2ead82

Siglent

SDM3065X: https://defs.link/?u=1ed0fe https://defs.link/?u=12d498 SDS2102 (hacked to 340MHz): https://defs.link/?u=1ed0fe https://defs.link/?u=12d498 SPL-1008. SDP1168X: https://defs.link/?u=1ed0fe https://defs.link/?u=12d498 SDL1020X-E: https://defs.link/?u=a0eccb

Other Equipment

KSGER T12 Soldering Iron: https://defs.link/?u=620ace http://defs.link/?u=5c112e Quick 861DW: https://defs.link/?u=138c0f https://defs.link/?u=a3fc81 S-993A: https://defs.link/?u=079677 https://defs.link/?u=e855a0 EEVBlog BM235: https://defs.link/?u=12d498 YR1030 Battery ESR: https://defs.link/?u=c56527 Heathkit IT-12 Signal Tracer. Racal Dana 1992: https://defs.link/?u=8eeeba Bird 43: https://defs.link/?u=4b18f7 Sinadder 3: https://defs.link/?u=2bf1dd Audio Control SA-3050A RTA: https://defs.link/?u=a04df2 Korad KA3305D: https://defs.link/?u=69090a PDVS2mini: https://defs.link/?u=869ba4 Valhalla 2703: https://defs.link/?u=06bcfc Feeltech FY6800: https://defs.link/?u=8b98cd http://defs.link/?u=34d101 Eakins Microscope: https://defs.link/?u=b0278b https://defs.link/?u=262327 Mustool G600: https://defs.li ... https://www.youtube.com/watch?v=ENVxVYYn_w0