{"product_id":"kitronik-30-second-record-playback-kit-v2-0-kt21102","title":"Kitronik 30 Second Record Playback Kit V2.0","description":"\u003cp\u003eThe Kitronik 30 Second Record Playback Kit V2.0 is an easy-to-build audio recording and playback kit designed for classroom electronics projects and home STEM\/STEAM activities. This updated version increases the recording time to 30 seconds (up from 10 seconds in V1), introduces a smaller PCB, and includes several improvements that make the kit simpler to assemble and more robust for student use. Whether you’re teaching basic circuits, creating interactive models, or adding sound to props, this kit provides a reliable single-button way to record and play back audio.\u003c\/p\u003e\n\u003cp\u003eThe kit includes all the components required to complete the build: PCB, resistors, capacitors, status LED, tactile dual-function switch, AA battery holder and PP3 clips, a microphone, and an 8Ω off-board speaker. The PCB also features two sets of external solder pads (battery and speaker), and each of the four corners includes an M3 mounting hole for secure attachment to an enclosure or project base.\u003c\/p\u003e\n\u003cp\u003eV2.0 introduces several improvements over the original kit, including easier assembly, a smaller PCB footprint, a pre-soldered IC and protection diode, a simplified single-button interface, and an extended 30-second recording time.\u003c\/p\u003e\n\u003cp\u003eTo record, press and hold the switch, then release it when you have finished. A single press of the same switch will play back the recorded audio through the speaker. Repeat the process to make a new recording.\u003c\/p\u003e\n\u003cp\u003eDownloadable teaching resources, including full build instructions, are available at the foot of this page.\u003c\/p\u003e\n\u003ch3\u003eFeatures:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eRecord and play back up to 30 seconds of audio.\u003c\/li\u003e\n\u003cli\u003eSmaller PCB footprint for easier enclosure design.\u003c\/li\u003e\n\u003cli\u003eOff-board speaker for flexible mounting and improved sound positioning.\u003c\/li\u003e\n\u003cli\u003eSingle-button operation for simple recording and playback.\u003c\/li\u003e\n\u003cli\u003eStatus LED for clear user feedback.\u003c\/li\u003e\n\u003cli\u003ePre-soldered surface-mount IC for easier assembly.\u003c\/li\u003e\n\u003cli\u003ePre-soldered reverse-polarity protection diode.\u003c\/li\u003e\n\u003cli\u003eLower cost than the V1 kit.\u003c\/li\u003e\n\u003cli\u003eFull set of classroom documentation available as downloads below.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eContents:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 × 21102 PCB with pre-soldered IC and Protection Diode.\u003c\/li\u003e\n\u003cli\u003e1 × \u003ca href=\"https:\/\/kitronik.co.uk\/products\/pp3-battery-clip-lead-heavy-duty\"\u003ePP3 Battery Clip\u003c\/a\u003e.\u003c\/li\u003e\n\u003cli\u003e1 × \u003ca href=\"https:\/\/kitronik.co.uk\/products\/3xaa-battery-cage-with-clip\"\u003e3×AA Battery Holder with PP3 Connector\u003c\/a\u003e.\u003c\/li\u003e\n\u003cli\u003e1 × \u003ca href=\"https:\/\/kitronik.co.uk\/products\/multi-strand-cable-100m-reel\"\u003e30cm Length of White Hookup Wire\u003c\/a\u003e.\u003c\/li\u003e\n\u003cli\u003e1 × \u003ca href=\"https:\/\/kitronik.co.uk\/products\/resistor-box-of-1000\"\u003e100R Resistor\u003c\/a\u003e.\u003c\/li\u003e\n\u003cli\u003e2 × \u003ca href=\"https:\/\/kitronik.co.uk\/products\/resistor-box-of-1000\"\u003e2K2 Resistor\u003c\/a\u003e.\u003c\/li\u003e\n\u003cli\u003e1 × \u003ca href=\"https:\/\/kitronik.co.uk\/products\/resistor-box-of-1000\"\u003e33K Resistor\u003c\/a\u003e.\u003c\/li\u003e\n\u003cli\u003e1 × \u003ca href=\"https:\/\/kitronik.co.uk\/products\/resistor-box-of-1000\"\u003e100K Resistor\u003c\/a\u003e.\u003c\/li\u003e\n\u003cli\u003e1 × \u003ca href=\"https:\/\/kitronik.co.uk\/products\/3101-22n-capacitor-ceramic-50v-22nf-pack-of-50\"\u003e22nF Capacitor\u003c\/a\u003e.\u003c\/li\u003e\n\u003cli\u003e3 × \u003ca href=\"https:\/\/kitronik.co.uk\/products\/3101-100n-capacitor-ceramic-50v-100nf-pack-of-50\"\u003e100nF Capacitors\u003c\/a\u003e.\u003c\/li\u003e\n\u003cli\u003e3 × \u003ca href=\"https:\/\/kitronik.co.uk\/products\/3102-10u-capacitor-electrolytic-16v-10uf-pack-of-25\"\u003e10uF Capacitors\u003c\/a\u003e.\u003c\/li\u003e\n\u003cli\u003e1 × \u003ca href=\"https:\/\/kitronik.co.uk\/products\/3310-microphone-insert-pcb-mount-pack-of-5\"\u003eMicrophone\u003c\/a\u003e.\u003c\/li\u003e\n\u003cli\u003e1 × \u003ca href=\"https:\/\/kitronik.co.uk\/products\/3504-red-5mm-diffused-led-275mcd\"\u003eRed LED\u003c\/a\u003e.\u003c\/li\u003e\n\u003cli\u003e1 × \u003ca href=\"https:\/\/kitronik.co.uk\/products\/6mm-pcb-mount-tactile-switch-95mm-height\"\u003e6mm Tactile Button\u003c\/a\u003e.\u003c\/li\u003e\n\u003cli\u003e1 × \u003ca href=\"https:\/\/kitronik.co.uk\/products\/8-ohm-66mm-speaker\"\u003e8Ω 66mm Speaker\u003c\/a\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eDimensions:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePCB Length: 60mm.\u003c\/li\u003e\n\u003cli\u003ePCB Width: 44mm.\u003c\/li\u003e\n\u003cli\u003eSpeaker Dia: 66mm.\u003c\/li\u003e\n\u003cli\u003eSpeaker Depth: 20mm.\u003c\/li\u003e\n\u003cli\u003eBattery Holder Length: 57.5mm.\u003c\/li\u003e\n\u003cli\u003eBattery Holder Width: 47mm.\u003c\/li\u003e\n\u003cli\u003eBattery Holder Depth: 15.25mm.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eVideo:\u003c\/h3\u003e\n\u003cdiv style=\"text-align: center\" class=\"youtube-video-container\"\u003e\n\u003cdiv data-embed=\"m8qGGUiywAM\" class=\"youtube-frame\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eRequires:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e3 x \u003ca title=\"AA batteries\" href=\"https:\/\/kitronik.co.uk\/products\/gp-aa-batteries\"\u003eAA Batteries\u003c\/a\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca title=\"Soldering Iron\" href=\"https:\/\/kitronik.co.uk\/products\/2609-soldering-iron-mains-power-18w\"\u003eSoldering Iron\u003c\/a\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca title=\"Solder\" href=\"https:\/\/kitronik.co.uk\/products\/2608-lead-free-solder-250g-reel\"\u003eSolder\u003c\/a\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca title=\"Wire Cutters\" href=\"https:\/\/kitronik.co.uk\/products\/2620-economy-wire-cutters\"\u003eWire Cutters\u003c\/a\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eResources:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca title=\"21102-kitronik-30-sec-record-playback-kit-essential-information.pdf\" href=\"https:\/\/resources.kitronik.co.uk\/pdf\/21102-kitronik-30-sec-record-playback-kit-essential-information.pdf\"\u003eEssential Information\u003c\/a\u003e \u003cimg style=\"vertical-align: middle\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0254\/1191\/1743\/files\/pdf_icon_8e42f9e6-ae48-4250-9bd9-3a2c59c1eccb.gif?v=1600101273\" alt=\"pdf_icon.gif\" width=\"25\" height=\"24\"\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ca title=\"21102-kitronik-30-sec-record-playback-kit-teaching-notes.pdf\" href=\"https:\/\/resources.kitronik.co.uk\/pdf\/21102-kitronik-30-sec-record-playback-kit-teaching-notes.pdf\"\u003eTeaching Notes\u003c\/a\u003e \u003cimg style=\"vertical-align: middle\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0254\/1191\/1743\/files\/pdf_icon_8e42f9e6-ae48-4250-9bd9-3a2c59c1eccb.gif?v=1600101273\" alt=\"pdf_icon.gif\" width=\"25\" height=\"24\"\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ca title=\"21102-kitronik-30-sec-record-playback-kit-datasheet.pdf\" href=\"https:\/\/resources.kitronik.co.uk\/pdf\/21102-kitronik-30-sec-record-playback-kit-datasheet.pdf\"\u003eDatasheet\u003c\/a\u003e \u003cimg style=\"vertical-align: middle\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0254\/1191\/1743\/files\/pdf_icon_8e42f9e6-ae48-4250-9bd9-3a2c59c1eccb.gif?v=1600101273\" alt=\"pdf_icon.gif\" width=\"25\" height=\"24\"\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/kitronik.co.uk\/blogs\/resources\/make-a-record-playback-kit-value-acrylic-enclosure\"\u003eCustom enclosure step-by-step instructions.\u003c\/a\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDocuments \u0026amp; Downloads\u003c\/h2\u003e\u003cdiv class=\"resources-text\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca title=\"21102-kitronik-30-sec-record-playback-kit-essential-information.pdf\" href=\"https:\/\/resources.kitronik.co.uk\/pdf\/21102-kitronik-30-sec-record-playback-kit-essential-information.pdf\"\u003eEssential Information\u003c\/a\u003e \u003cimg decoding=\"async\" style=\"vertical-align: middle;\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0254\/1191\/1743\/files\/pdf_icon_8e42f9e6-ae48-4250-9bd9-3a2c59c1eccb.gif?v=1600101273\" alt=\"pdficon.gif\" width=\"25\" height=\"24\"\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ca title=\"21102-kitronik-30-sec-record-playback-kit-teaching-notes.pdf\" href=\"https:\/\/resources.kitronik.co.uk\/pdf\/21102-kitronik-30-sec-record-playback-kit-teaching-notes.pdf\"\u003eTeaching Notes\u003c\/a\u003e \u003cimg decoding=\"async\" style=\"vertical-align: middle;\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0254\/1191\/1743\/files\/pdf_icon_8e42f9e6-ae48-4250-9bd9-3a2c59c1eccb.gif?v=1600101273\" alt=\"pdficon.gif\" width=\"25\" height=\"24\"\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ca title=\"21102-kitronik-30-sec-record-playback-kit-datasheet.pdf\" href=\"https:\/\/resources.kitronik.co.uk\/pdf\/21102-kitronik-30-sec-record-playback-kit-datasheet.pdf\"\u003eDatasheet\u003c\/a\u003e \u003cimg decoding=\"async\" style=\"vertical-align: middle;\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0254\/1191\/1743\/files\/pdf_icon_8e42f9e6-ae48-4250-9bd9-3a2c59c1eccb.gif?v=1600101273\" alt=\"pdficon.gif\" width=\"25\" height=\"24\"\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/kitronik.co.uk\/blogs\/resources\/make-a-record-playback-kit-value-acrylic-enclosure\"\u003eCustom enclosure step-by-step instructions.\u003c\/a\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\u003ch2\u003eTechnical Information\u003c\/h2\u003e\u003ctable class=\"tech_info\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eAttribute\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eMain IC\u003c\/td\u003e\n\u003ctd\u003e WT2000P4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Voltages\u003c\/td\u003e\n\u003ctd\u003e 3.6v - 5v\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Voltage\u003c\/td\u003e\n\u003ctd\u003e 4.5v\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Current\u003c\/td\u003e\n\u003ctd\u003e 20mA (Recording), 80mA (Playing)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQuiescent Current\u003c\/td\u003e\n\u003ctd\u003e 5.8µA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBattery Types\u003c\/td\u003e\n\u003ctd\u003e Alkaline\/Zinc Chloride\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRequired Batteries\u003c\/td\u003e\n\u003ctd\u003e 3 x AA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Record Time\u003c\/td\u003e\n\u003ctd\u003e 30 seconds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReverse Polarity Protection\u003c\/td\u003e\n\u003ctd\u003e Inline Protection Diode\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of Soldering Pads\u003c\/td\u003e\n\u003ctd\u003e 36 total solder joints\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Holes\u003c\/td\u003e\n\u003ctd\u003e 4x M3 (3.3mm), 4mm from board edge\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePCB Dimensions\u003c\/td\u003e\n\u003ctd\u003e 44mm x 60mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStandby Battery Life\u003c\/td\u003e\n\u003ctd\u003e \u0026gt;10 Years Standby\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Kitronik","offers":[{"title":"Default Title","offer_id":42659316367442,"sku":"KT21102","price":13.1,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/0383\/files\/21102_large-kitronik-30-second-record-playback-sample-kit-v2-0-built.jpg?v=1788056921","url":"https:\/\/www.pakronics.com.au\/products\/kitronik-30-second-record-playback-kit-v2-0-kt21102","provider":"Pakronics®","version":"1.0","type":"link"}