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Electronics Repair (sci.electronics.repair) Discussion of repairing electronic equipment. Topics include requests for assistance, where to obtain servicing information and parts, techniques for diagnosis and repair, and annecdotes about success, failures and problems. |
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#1
Posted to sci.electronics.components,sci.electronics.design,sci.electronics.repair
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looking to build or find inexpensive 3-digit 7-segment LED display
wrote in message ... I need to display the numbers 0-255 in decimal on a 3-digit LED display for a microcontroller project (it would need to be visible in the dark). Ideally the display would be inexpensive and not take up too many uC outputs, but what I am finding is expensive ($30 or more). Does anyone make an inexpensive 3-digit 7-segment LED module that accepts serial input from say, a PICAXE or a BASIC Stamp 2? Also I haven't done anything using serial i/o yet but I saw some displays that had a "clock" pin (so the controller can sync up the data stream with the module). Would I need to get a clock module for the basic stamp to talk to the display module? What would a good one be? Can you build a reliable clock for less using a 555 timer? I as thinking about how such a device might work without a clock and thought of a way to do it with 2 lines output, 0-0 would mean no data, 0-1 would mean here comes some data, 1-0 would mean low, 1-1 would mean high. The display module would consist of a microcontroller with 2 inputs and 12 outputs (3 groups of 4 outputs going to a 7-segment encoder IC to drive each digit). Is this a decent solution or unnecessary? Any advice or links to a good example would be appreciated... Thanks. Save your cash, forget electronic toys, you will be starved.. Only buy what you need. Take me for example, I am out of job, I have to post my fancy ad at the bottom of my post every time. Go figure. ...Jim Thompson -- | James E.Thompson, P.E. | mens | | Analog Innovations, Inc. | et moi | | | Analog/Mixed-Signal ASICK's and Discrete Systems | manus | | Phoenix, Arizona Voice480)460-2350 | | | E-mail Address at Website Fax480)460-2142 | Rat ******* | | http://www.analog-innovations.com | 1962 | America: Land of the Freedom Abusers, Because of the *******s. |
#2
Posted to sci.electronics.components,sci.electronics.design,sci.electronics.repair
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looking to build or find inexpensive 3-digit 7-segment LED display
"Jim Thompson" wrote in message ...
wrote in message ... I need to display the numbers 0-255 in decimal on a 3-digit LED display for a microcontroller project (it would need to be visible in the dark). Ideally the display would be inexpensive and not take up too many uC outputs, but what I am finding is expensive ($30 or more). Does anyone make an inexpensive 3-digit 7-segment LED module that accepts serial input from say, a PICAXE or a BASIC Stamp 2? Also I haven't done anything using serial i/o yet but I saw some displays that had a "clock" pin (so the controller can sync up the data stream with the module). Would I need to get a clock module for the basic stamp to talk to the display module? What would a good one be? Can you build a reliable clock for less using a 555 timer? I as thinking about how such a device might work without a clock and thought of a way to do it with 2 lines output, 0-0 would mean no data, 0-1 would mean here comes some data, 1-0 would mean low, 1-1 would mean high. The display module would consist of a microcontroller with 2 inputs and 12 outputs (3 groups of 4 outputs going to a 7-segment encoder IC to drive each digit). Is this a decent solution or unnecessary? Any advice or links to a good example would be appreciated... Thanks. You sure ask a lot of questions for someone from New Jersey. Save your cash, forget electronic toys, you will be starved. Only buy what you need. Take me for example, I am out of job, I have to post my fancy ad at the bottom of my post every time. Go figure. Analog/Mixed-Signal ASICK's and Discrete Systems Is that a joke? Why has no one ever pointed out that ASICs are actually AN-SICs? |
#3
Posted to sci.electronics.components,sci.electronics.design,sci.electronics.repair
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looking to build or find inexpensive 3-digit 7-segment LED display
"William Sommerwerck" wrote in message . .. "Jim Thompson" wrote in message ... wrote in message ... I need to display the numbers 0-255 in decimal on a 3-digit LED display for a microcontroller project (it would need to be visible in the dark). Ideally the display would be inexpensive and not take up too many uC outputs, but what I am finding is expensive ($30 or more). Does anyone make an inexpensive 3-digit 7-segment LED module that accepts serial input from say, a PICAXE or a BASIC Stamp 2? Also I haven't done anything using serial i/o yet but I saw some displays that had a "clock" pin (so the controller can sync up the data stream with the module). Would I need to get a clock module for the basic stamp to talk to the display module? What would a good one be? Can you build a reliable clock for less using a 555 timer? I as thinking about how such a device might work without a clock and thought of a way to do it with 2 lines output, 0-0 would mean no data, 0-1 would mean here comes some data, 1-0 would mean low, 1-1 would mean high. The display module would consist of a microcontroller with 2 inputs and 12 outputs (3 groups of 4 outputs going to a 7-segment encoder IC to drive each digit). Is this a decent solution or unnecessary? Any advice or links to a good example would be appreciated... Thanks. You sure ask a lot of questions for someone from New Jersey. Save your cash, forget electronic toys, you will be starved. Only buy what you need. Take me for example, I am out of job, I have to post my fancy ad at the bottom of my post every time. Go figure. Analog/Mixed-Signal ASICK's and Discrete Systems Is that a joke? Why has no one ever pointed out that ASICs are actually AN-SICs? Because Jim and I are retarded *******s. Your definition sounds to close to ANSI C definition. There are million ways to name a thing. |
#4
Posted to sci.electronics.components,sci.electronics.design,sci.electronics.repair
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looking to build or find inexpensive 3-digit 7-segment LED display
William Sommerwerck wrote:
"Jim Thompson" wrote in message ... wrote in message ... I need to display the numbers 0-255 in decimal on a 3-digit LED display for a microcontroller project (it would need to be visible in the dark). Ideally the display would be inexpensive and not take up too many uC outputs, but what I am finding is expensive ($30 or more). Does anyone make an inexpensive 3-digit 7-segment LED module that accepts serial input from say, a PICAXE or a BASIC Stamp 2? Also I haven't done anything using serial i/o yet but I saw some displays that had a "clock" pin (so the controller can sync up the data stream with the module). Would I need to get a clock module for the basic stamp to talk to the display module? What would a good one be? Can you build a reliable clock for less using a 555 timer? I as thinking about how such a device might work without a clock and thought of a way to do it with 2 lines output, 0-0 would mean no data, 0-1 would mean here comes some data, 1-0 would mean low, 1-1 would mean high. The display module would consist of a microcontroller with 2 inputs and 12 outputs (3 groups of 4 outputs going to a 7-segment encoder IC to drive each digit). Is this a decent solution or unnecessary? Any advice or links to a good example would be appreciated... Thanks. You sure ask a lot of questions for someone from New Jersey. Save your cash, forget electronic toys, you will be starved. Only buy what you need. Take me for example, I am out of job, I have to post my fancy ad at the bottom of my post every time. Go figure. Analog/Mixed-Signal ASICK's and Discrete Systems Is that a joke? Why has no one ever pointed out that ASICs are actually AN-SICs? Becasue ahe troll forging post as Jim thompson doesn't know what you're talking about. Jim post though cox, not aioe.org. Xref: sn-us sci.electronics.components:138775 sci.electronics.design:803965 sci.electronics.repair:473092 Path: sn-us!sn-feed-sjc-03!sn-us!sn-feed-sjc-02!sn-xt-sjc-11!sn-xt-sjc-09!sn-xt-sjc-12!supernews.com!postnews.google.com!news3.google. com!feeder1-2.proxad.net!proxad.net!feeder1-1.proxad.net!club-internet.fr!feedme-small.clubint.net!aioe.org!not-for-mail From: "Jim Thompson" Newsgroups: sci.electronics.components, sci.electronics.design, sci.electronics.repair Subject: looking to build or find inexpensive 3-digit 7-segment LED display Date: Thu, 28 Feb 2008 15:42:34 -0800 Organization: Forte Inc. http://www.forteinc.com/apn/ Lines: 50 Message-ID: References: NNTP-Posting-Host: gRX+t6SVRaaa0anHXEDDaA.user.aioe.org X-Complaints-To: X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2180 X-Priority: 3 X-Newsreader: Microsoft Outlook Express 6.00.2800.1106 X-MSMail-Priority: Normal -- Service to my country? Been there, Done that, and I've got my DD214 to prove it. Member of DAV #85. Michael A. Terrell Central Florida |
#5
Posted to sci.electronics.components,sci.electronics.design,sci.electronics.repair
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looking to build or find inexpensive 3-digit 7-segment LED display
"MooseFET" wrote in message ... "William Sommerwerck" wrote in message . .. "Jim Thompson" wrote in message ... wrote in message ... I need to display the numbers 0-255 in decimal on a 3-digit LED display for a microcontroller project (it would need to be visible in the dark). Ideally the display would be inexpensive and not take up too many uC outputs, but what I am finding is expensive ($30 or more). Does anyone make an inexpensive 3-digit 7-segment LED module that accepts serial input from say, a PICAXE or a BASIC Stamp 2? Also I haven't done anything using serial i/o yet but I saw some displays that had a "clock" pin (so the controller can sync up the data stream with the module). Would I need to get a clock module for the basic stamp to talk to the display module? What would a good one be? Can you build a reliable clock for less using a 555 timer? I as thinking about how such a device might work without a clock and thought of a way to do it with 2 lines output, 0-0 would mean no data, 0-1 would mean here comes some data, 1-0 would mean low, 1-1 would mean high. The display module would consist of a microcontroller with 2 inputs and 12 outputs (3 groups of 4 outputs going to a 7-segment encoder IC to drive each digit). Is this a decent solution or unnecessary? Any advice or links to a good example would be appreciated... Thanks. You sure ask a lot of questions for someone from New Jersey. Save your cash, forget electronic toys, you will be starved. Only buy what you need. Take me for example, I am out of job, I have to post my fancy ad at the bottom of my post every time. Go figure. Analog/Mixed-Signal ASICK's and Discrete Systems Is that a joke? Why has no one ever pointed out that ASICs are actually AN-SICs? Because Jim and I are retarded *******s. Your definition sounds to close to ANSI C definition. There are million ways to name a thing. I forgot to mention Michael A. TerribleIl, he's a super-retarded soldier who went with the idiots to war, they claimed they did it for Iraq, then claimed it's for us, then claimed it's for the world. It's funny to no end. |
#6
Posted to sci.electronics.components,sci.electronics.design,sci.electronics.repair
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looking to build or find inexpensive 3-digit 7-segment LED display
"MooseFET" wrote in message
... "William Sommerwerck" wrote in message . .. Why has no one ever pointed out that ASICs are actually AN-SICs? Because Jim and I are retarded *******s. Your definition sounds to close to ANSI C definition. There are million ways to name a thing. What does C have to do with ICs? As usual, one needs to spell out everything. An "application-specific IC" is no more an application-specific device than blank sheets of paper and pile of pencils are a novel. They should actually be called "application non-specific ICs". |
#7
Posted to sci.electronics.components,sci.electronics.design,sci.electronics.repair
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looking to build or find inexpensive 3-digit 7-segment LED display
"William Sommerwerck" wrote in message . .. "MooseFET" wrote in message ... "William Sommerwerck" wrote in message . .. Why has no one ever pointed out that ASICs are actually AN-SICs? Because Jim and I are retarded *******s. Your definition sounds to close to ANSI C definition. There are million ways to name a thing. What does C have to do with ICs? As usual, one needs to spell out everything. An "application-specific IC" is no more an application-specific device than blank sheets of paper and pile of pencils are a novel. They should actually be called "application non-specific ICs". "A" stands for "application-specific" dummy. No need to make it lenghty. |
#8
Posted to sci.electronics.components,sci.electronics.design,sci.electronics.repair
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looking to build or find inexpensive 3-digit 7-segment LED display
"MooseFET" wrote in message
... "William Sommerwerck" wrote in message . .. "MooseFET" wrote in message ... "William Sommerwerck" wrote in message . .. Why has no one ever pointed out that ASICs are actually AN-SICs? Because Jim and I are retarded *******s. Your definition sounds to close to ANSI C definition. There are million ways to name a thing. What does C have to do with ICs? As usual, one needs to spell out everything. An "application-specific IC" is no more an application-specific device than blank sheets of paper and pile of pencils are a novel. They should actually be called "application non-specific ICs". "A" stands for "application-specific" dummy. No need to make it lenghty. Again, you miss the point. |
#9
Posted to sci.electronics.components,sci.electronics.design,sci.electronics.repair
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looking to build or find inexpensive 3-digit 7-segment LED display
William Sommerwerck wrote:
"Jim Thompson" wrote in message ... wrote in message ... I need to display the numbers 0-255 in decimal on a 3-digit LED display for a microcontroller project (it would need to be visible in the dark). Ideally the display would be inexpensive and not take up too many uC outputs, but what I am finding is expensive ($30 or more). Does anyone make an inexpensive 3-digit 7-segment LED module that accepts serial input from say, a PICAXE or a BASIC Stamp 2? Also I haven't done anything using serial i/o yet but I saw some displays that had a "clock" pin (so the controller can sync up the data stream with the module). Would I need to get a clock module for the basic stamp to talk to the display module? What would a good one be? Can you build a reliable clock for less using a 555 timer? I as thinking about how such a device might work without a clock and thought of a way to do it with 2 lines output, 0-0 would mean no data, 0-1 would mean here comes some data, 1-0 would mean low, 1-1 would mean high. The display module would consist of a microcontroller with 2 inputs and 12 outputs (3 groups of 4 outputs going to a 7-segment encoder IC to drive each digit). Is this a decent solution or unnecessary? Any advice or links to a good example would be appreciated... Thanks. You sure ask a lot of questions for someone from New Jersey. Save your cash, forget electronic toys, you will be starved. Only buy what you need. Take me for example, I am out of job, I have to post my fancy ad at the bottom of my post every time. Go figure. Analog/Mixed-Signal ASICK's and Discrete Systems Is that a joke? Why has no one ever pointed out that ASICs are actually AN-SICs? Responding to some name faking twit i see. Check the headers. |
#10
Posted to sci.electronics.components,sci.electronics.design,sci.electronics.repair
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looking to build or find inexpensive 3-digit 7-segment LED display
William Sommerwerck wrote:
"MooseFET" wrote in message ... "William Sommerwerck" wrote in message . .. Why has no one ever pointed out that ASICs are actually AN-SICs? Because Jim and I are retarded *******s. Your definition sounds to close to ANSI C definition. There are million ways to name a thing. What does C have to do with ICs? As usual, one needs to spell out everything. An "application-specific IC" is no more an application-specific device than blank sheets of paper and pile of pencils are a novel. They should actually be called "application non-specific ICs". Talking up the to the sewer rat still? Check some more headers. |
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