Ramsey Electronics CT255 manual KIT Assembly

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Ramsey Publication No. MCT255

Price $5.00

KIT ASSEMBLY

AND INSTRUCTION MANUAL FOR

COMPUTEMP 255 BINARY

THERMOMETER

KIT

TABLE OF CONTENTS
Introduction	4
Circuit Description	5
Schematic Diagram	13
Parts Layout Diagram	14
Parts List	15
Assembly Instructions	17
Case Assembly	23
Troubleshooting Guide	25
Conclusion	26
Warranty	27

RAMSEY ELECTRONICS, INC. 590 Fishers Station Drive Victor, New York 14564 Phone (585) 924-4560 Fax (585) 924-4555 www.ramseykits.com

CT255 • 3

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Contents Computemp 255 Binary Thermometer KIT Ramsey Transmitter Kits KIT Assembly Introduction CB B OA RD in CA SEBinary counter Circuit DescriptionDAC Digital to Analog Converter ADC Analog to Digital Converter? In a sense…Scaling to Celsius Oh that extra count More on the ADCHow the counter oscillator works Restarting the conversion cycleFor the complicated Fahrenheit design CT255 Binary math Bit # Value 128 Some random parts, and what they do CT255 Schematic Diagram CT255 Parts Layout Diagram Semiconductors Parts Supplied with Your CT255 KITCapacitors ResistorsEnough of that ... let’s get started Ramsey LEARN-AS-YOU-BUILD KIT AssemblyCT255 Thermometer Assembly Instructions CT255 CT255 CT255 Front View LM35DZ Congratulations Assembly Instructions for Custom CaseUSE of Your Computemp Still Having TROUBLE? Troubleshooting GuideConclusion Ramsey Kit Warranty Fishers Station Drive Victor, New York Phone 585 Required ToolsAdditional Suggested Items Ramsey ELECTRONICS, INC