• Out of stock
    4-Bit Binary and Hex Kit - Contents 4-Bit Binary and Hex Kit - Complete
    Learn about binary and hexadecimal while at the same time practising your soldering skills. The kit comes complete with everything you need to build a working 4-bit binary and hexadecimal counter. The counter increments by one with each clock count, and this is where it gets interesting. There are three possibilities for clock input; manual via the included push-button, automatic using the included 555 timer IC or remove the 555 IC and use with the "Discrete 555 Timer Kit" also available in this store.
  • Exclusively available through Amazon, the Sloth Byte "Beer Can Crystal Radio" eBook shows you how to make a self-powered radio. No previous electronics knowledge is required. Don't forget to leave a review and check out my Amazon Author page.
  • Discrete 555 Timer PCB - Black Discrete 555 Timer PCB - Blue
    Already got a selection of your own components and don't fancy the entire kit?? Then grab just the PCB, as per the kit, two versions of the PCB are available. The "EZ version" features increased transistor pad size and spacing make for an easier soldering experience, ideal if you are new to soldering. If you fancy a bit more of a challenge then the "Standard Version" is for you. Just make your choice with the dropdown below before adding it to the cart.
  • A general-purpose NPN transistor in TO-92 package. Specs below.
  • A general-purpose PNP transistor in TO-92 package. Specs below.
    • VISHAY  1N4148-TAP  Small Signal Diode
    • Average IF 150 mA
    • Max VF 1V @ IF = 10 mA
    • Peak forward surge current 2 A (for 1 microsecond)
  • Discrete 555 Timer Kit - Standard Version Discrete 555 Timer Kit - Black PCB
    Build your own 555 timer from discrete components and see what makes it tick. High-quality PCB, all components supplied. Available in two versions; Standard and EZ. The "EZ version" features increased transistor pad size and spacing make for an easier soldering experience, ideal if you are new to soldering. If you fancy a bit more of a challenge then the "Standard Version" is for you. Just be sure to select the desired option before adding to the cart.
  • Colour Maximite 2 PCB - Top
    Colour Maximite 2 PCB only (no components). Colour: Matt black PCB, silver colour solder pads. See the Colour Maximite 2 blog post for what a completed PCB looks like.
  • The 555 Mini
    The 555 Mini is the mini version of our popular Discrete 555 Timer kit, measuring just 36 x 56 mm.  
  • The 555 Mini is the mini version of our popular Discrete 555 Timer, measuring just 36 x 56 mm. Already got a selection of your own components and don't fancy the entire kit?? Then grab just the PCB.
  • Extent of Supply The Clock
    Build your own 24-hour USB powered clock. Based on 74xx series TTL chips, you won't find a microcontroller or CPU here. Block diagram and circuit diagram included in the documentation so you can see how everything works.
  • Gigatron Blue PCB Gigatron PCB
    Bare Gigatron PCB and Pluggy McPlugface PCB. Just add your own components to build an 8-bit TTL computer that has no CPU. See the full product description below for more details.

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