Soldering Project Clock, Icstation 6-Bit Digital Clock Soldering Kit DIY Soldering Practice for School Science Projects Student STEM Learning Teaching

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Soldering Project Clock, Icstation 6-Bit Digital Clock Soldering Kit DIY Soldering Practice for School Science Projects Student STEM Learning Teaching

Regular price: €49,61
Sale price: €49,61
Regular price: ~~€82,00~~
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14 Days Returns

Description

ICStation digital clock electronic DIY kits, need user to finish the assemble and soldering process.

Specifications:
Working Voltage: DC 7V-12V, typical application 9V.
Digit: 6 Bits
PCB Board Size: 92x49x1.2mm/3.68"x1.96"x0.05" (L*W*T)
Accuracy: ±1s

6 Functions:
Seconds Correction, Countdown Clock, Stopwatch, Counter, Hourly Chime and Alarm Clock.

Feature:
Military grade FR-4 PCB board, 6 digits LED module;
Large solder joint and pre-marked electronic components name;
AT89C2051 import master chip, accurate travel time, the error range within -1 to +1 second.

Package Included:1 x 6 Bits Alarm Clock Kit

-------------------??Warm Tips??-------------------
1, New batch with English instruction, the old batch need to download the English PDF instruction in the Product Information - Technical Specification-User Manual [pdf]
2, Please make sure all components in right dirction and right place; Please check whether pseudo and float welding, this is very important in testing.
3, All messages to Icstation Service Team will be replied within 12 hours as Technical Support.

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Customer Reviews

Easier than I thought !This project was easier than I thought. Being a beginner with not the best of eyes this is the smallest board I have ever worked on so I was expecting a frustrating experience trying to solder the parts on such a small board. With that said, I put this kit to the side and worked on easier projects. The kit took a very long time to arrive at my home, I'm guessing the manufacturer is not local. The kit came without instructions, but the instructions were emailed to me by the manufacturer about 2 weeks before the kit arrived . Tell you the truth, I didn't really need the instructions to put this kit together. Everything was self explanatory on the well laid out board. I did need the instructions to operate the clock and Alarm.I spent maybe 1 hour attaching the parts to the board and another 2 hours soldering the parts and removing shorts and bridges. As soon as I connected the battery, the clock started working and the LEDs would blink every second in unison with the Second(s) panel. For this kit being so small, I used Lead solder rather than the more unwieldy UN-leaded solder. I used a 20W Radio Shack pencil solder iron sold right here on Amazon because of its small size. I'm still trying to figure out why some numbers do not display fully, but it might have to do with the solder connections ? Everything else including the buzzer seem to work fine.5Good SupportI like small projects and for the price this is a small fun one. Figured I'd 3D print an enclosure for it at some point. I give it 5 stars but with just a couple issues.The first kit that was sent to me looked good aside from having 2x10uf capacitors instead of 1x10uf and 1x100uf. I brought this up with the seller and they sent me a replacement immediately. In the interim I took a closer look at the circuit and it appeared that the missing cap was to filter the power supply. I soldered it in and the clock works fine. The second kit came in and surprising the same issue happened, a duplicate and a missing cap. Seller was understanding and told me to keep both kits.Another issue was the directions, they could use some clarification if the person putting the kit together is a beginner. A description of resistor color codes would be helpful. Other than that, the kit went together in about a half an hour and right up.I didn't like the LED colons so I removed them. The instructions weren't great but it wasn't hard to figure out what the functions did.I'd recommend this kit, it was enjoyable and will be interesting to build something around it.Note:I have to change my review. While writing this the clock started to malfunction. One of the segments started to fail and the clock is slow. I'm losing 1 second for every 5 minutes while using the stopwatch. Less so when using the clock function. The oscillator probably isn't great.It's fun to put together but isn't really worth using for any serious project.I'll probably mess around with these kits some more but I'm unsure if I'll use them in a project yet.Update: the seller has updated the directions to make them clearer for the novice. I figure that's worth an additional star on the review.4Easy beginner DIY kitThis is my second PCB project and I found it very easy to assemble, with everything working properly on the first try. Mine didn't come with assembly instructions per se, but it did come with paper use directions that also included a BOM and schematic. Using the indications printed on the circuit board and the component descriptions in the BOM (and a quick search to find a resistor color code table), I was able to easily put it together in about an hour and a half. You'll need a 9v battery connector to attach to the wire leads that come with the board, it would have been nice not to have to salvage one from something else. The clock controls would be a little cumbersome for actual use, but for making sure that you put everything together correctly and all functions work they're just fine.Be careful with the three-pin transistors - there are eight identical three-pin components, seven are transistors and one is an IC, but the only identifier is the very tiny number written on the side. You'll need to carefully inspect each one to make sure of what it is before soldering it on.5Lots of Features, Poor TimekeeperThe kit was complete - all parts fit, and assembly was easy. As a building and soldering learning experience this kit is great. Kids love setting time and alarms, and watching it go!Time keeping is not so great, though. Timekeeping and control functions are all done via an embedded program In the AT89C2051 general purpose microcontroller, which the end user cannot tinker with. The downside of this, is that the controller is busy doing conditional tasks, which result in irregular delays, causing the clock to run slower than optimally in an unpredictable manner.If the designer wanted a precise timekeeper, he could have used a device incorporating a hard-wired logic counter to generate precise time increments - like what is done in wristwatches, for example. Clock chips are available for this application, but probably nothing suitable for hand-soldering.This is a teaching tool, and a fun toy, but is not really a reliable timekeeper.4Nice Beginner KitI got this kit considering it as a gift for my grandson, for when he is ready to learn about soldering, and I am reviewing from the perspective of an absolute beginner.The product's visual functionality (and video) is interesting enough to motivate, say a 10 year old, to complete the project so they can tinker with it.The board is nicely laid out and well labeled. Some of the labels are a bit hard to read for my eyes, but the photo in the manual is very clear and can be zoomed large enough to make everything readable. The photo has the added benefit of serving as a nice assembly guide, and all of the silkscreen labels are visible on it except the labels on R9 through R13. There is plenty of spacing to help avoid the risk of novice solder bridges. The only tight spacing is between R9 .. R13 and U1, and it turns out that they are connected by the circuit board so a solder bridge would not be a problem in that case.I recommend adding a beginner section to the user manual with links to a soldering tutorial, resistor color charts, LEDs and capacitor polarity guides, button switch orientation guides, and a AT89C2051 datasheet. These are all readily available online, but a beginner might not think to look for them. The manual does not give any step by step instructions, but they are probably not needed. Between the well labeled board and the list of components in the manual, everything is pretty obvious.The assembly went very smoothly and it worked perfectly the first time. All in all, a very good experience. I would not hesitate to get one for my grandson when he is ready.5Decent 24hr 6-digit clock kit, with some caveatsAs an experienced hobbyist, I found this 6-digit clock kit easy to assemble in about 45 minutes. It worked as advertised. Witholding one star for the reasons (*) below.I would recommend it to anyone with at least some, even limited, prior kit building, parts identification (eg. resistor color codes, electrolytic polarity, etc), and soldering experience.As others have noted, it comes with no particular assembly instructions.I did find a schematic and operating instructions on icstation s website s file download section,but in truth, I simply relied on the Amazon listing s pic, and the PCB s silkscreen,to determine proper part placement.A shoutout to Musique s Amazon review for English-As-A-First-Language operating instructions.I chose to omit the colon LEDs and their resistors from my build.If, as others have asked, you d prefer unblinking, solid on, colons,simply bend out pin 19 of the IC so it doesn t touch the socket,and run a jumper from the IC socket s pin 19 to ground (eg. socket s pin 10).I haven t measured its current draw, but do believe as others have noted that running it off a 9V battery would be disappointing.I run it off a 9VDC wall-wart, and its 78L05 regulator runs warm but not hot.I would not run it off of too much more than that, or else keep an eye on the 78L05 s temperature.Of course, if you have regulated 5V available, simply omit the 78L05 and jumper its input and output pads.The 3-button user interface operates a bit oddly compared to most other digital clocks, (*)and features rudimentary stopwatch, countdown timer, alarm, and an odd count the button presses functions.My main peeves (*) with the firmware can be summarized as follows.None of these negatively affect my application.1. The only way to synchronize the seconds is to apply DC power at the top of a minute (00 seconds).2. The stopwatch and countdown timer functions cannot run while the time is displayed.3. The firmware source has not been released, although rewriting it from scratch and flashing to the Microchip MCU is plausible.4. I m unimpressed with timekeeping accuracy, mine loses about 1sec/day against GPS.Despite being crystal controlled, timekeeping is kept via firmware, not any separate timebase.Overall, if you re looking for a cute little 6-digit 24hr clock kit with 7/16 red digits,this is worth a look.4Easy and Fun Digital Clock KitThis digital clock kit is a fun little project that can be assembled in one or two evenings without much hassle. Its through hole construction on its solid FR4 Circuit board is ideal for someone that is learning to solder and wants to cut their teeth on a project that will pose a little bit of challenge yet not become frustrating.The clock operates quite well when finished and it should be easy to find a project box to put it in or lust leave it with its industrial look. The size is small enough that multiple clocks could be built and used to show multiple time zones of your choosing from around the world. Excellent for Ham Radio operators and alike who may need to know at an instant what time it is elsewhere.The clock is based on an atmel micro controller but it appears the source is closed so circuit bending for advanced users will be difficult but otherwise as a simple clock its hard to beat its features for the price!5Great kit, fun to build, and useful!I got this so that my 8-year-old could learn to solder and learn the value in a job well done. He did a great job, and no burned fingers! I'm a happy daddy! He uses the clock for many things, and has really liked finding new things to do with it.The kit arrived with the parts in helpful order. The transistors and voltage regulator look the same, but the regulator is stuck into a foam block, separated, so it's easy to find. The assembly was easy. All of the solder masks are good, the components are high quality, and the hole spacing is wide, so solder bridged for beginners are easy to deal with.From an electronics point of view, the 7805 in a TO-92 package is a little under-spec'd. It gets very warm at 12V. Not dangerously warm, but pretty warm. The kit draws about 30mA, so at 12V, that regulator is generating some heat. 9V supply is very comfortable, but don't plan on running this kit from a 9V battery for a long time. It draws enough power that the battery won't last a day. A wall power adapter is perfect.The clock is accurate enough to use as a real clock. I measured less than 1 second per day of drift. I've paid much more for clocks that kept worse time than this! The 6-function ability is nice. The alarm is LOUD! It's great! It has a standard alarm function, as well as a countdown timer alarm. It can function as a stopwatch with 1/100 second precision. Setting it is easy and the instructions are good. They even point you to where you can get more detailed instructions via a QR code printed right on them.This is a 24-hour clock. You cannot set it to a 12-hour AM/PM display. Keep that in mind. Since I only use 24-hour clocks, this is not a big deal for me.I've already recommended this kit to co-workers who like building things.5nice beginner friendly kit!This kit was a lot of fun. It took about 2 hours to build and it was fairly easy to assemble. I added a USB cable so that I can power this clock off the usb ports of my raspberry pi 4 home NAS server.my only complaint is that the board layout could be a tiny bit prettier. Specifically, the 10K resistor next to the clock crystal doesn't have the correct hole spacing which requires a resistor standing on its end. Perhaps this is a desirable added challenge to some builders but I think the end result is a board that looks not quite as good as it could have.Overall I really enjoyed making this kit. Iit went together easily and worked the first time!5Nice clock kit, good value and good challenge. Not a kit for first timers.I gave this kit to my teenage son. He had built a few other kits, but this one was probably a little bit more difficult than the others. There are quite a few parts and a lot of soldering. The included instructions are only one page, but there is a QR code that will bring up more detailed instructions. Once he got it built, he asked me how to power it since it didn't come with a battery holder or terminals. The circuit board says it takes 7 to 12 volts, so i found an old adapter in that range and spliced it in. When we powered it up the buzzer came one and none of the push buttons worked. I looked over the back of the board real closely and found one place where the two solder joints were touching. It took me a couple of tries, but I finally fixed that joint and lo and behold it actually worked. it is not just a clock, but it has 6 different features, such a count down and stop watch. In this day and age of cell phone no one really needs another clock, but this is a fun project at a good price, and very challenging (in a good way).5

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Soldering Project Clock, Icstation 6-Bit Digital Clock Soldering Kit DIY Soldering Practice for School Science Projects Student STEM Learning Teaching

Description

Shipping and Returns

Customer Reviews

Soldering Project Clock, Icstation 6-Bit Digital Clock Soldering Kit DIY Soldering Practice for School Science Projects Student STEM Learning Teaching

Categories

Headsets

Computers

Laptops

Mobile menu

Soldering Project Clock, Icstation 6-Bit Digital Clock Soldering Kit DIY Soldering Practice for School Science Projects Student STEM Learning Teaching

Description

Shipping and Returns

Customer Reviews

Soldering Project Clock, Icstation 6-Bit Digital Clock Soldering Kit DIY Soldering Practice for School Science Projects Student STEM Learning Teaching

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