EEVblog No Script, No Fear, All Opinion 
What’s inside one of those omni-directional laser barcode scanner you use at the supermarket, and how does it work?
Motorola / Symbol LS9208
Datasheets:
Reflective Interrupter
Atmel ARM7 Thumb
H8S Processor
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Easy repair and teardown of the rather obscure Tektronix DMM916 Multimeter. Ebay auction: https://www.ebay.com.au/itm/225848873343 Forum: …
