{"product_id":"kiisu-v4br-development-board-credit-card-sized-flipper-zero-firmware-compatible-development-board","title":"Kiisu V4BR Development Board - Credit card sized flipper zero firmware compatible development board","description":"\u003ch2 data-end=\"410\" data-start=\"323\" data-section-id=\"108yn22\"\u003eThe Credit Card Sized Multi-Tool.\u003c\/h2\u003e\n\u003cp data-end=\"720\" data-start=\"412\"\u003eThe \u003cstrong data-end=\"430\" data-start=\"416\"\u003eKIISU V4BR\u003c\/strong\u003e is one of the most exciting portable development platforms available today. Designed as a \u003cstrong data-end=\"554\" data-start=\"521\"\u003ecredit card-sized alternative\u003c\/strong\u003e to the Flipper Zero, KIISU packs an impressive collection of wireless, contactless and hardware interfaces into a form factor small enough to fit inside your wallet.\u003c\/p\u003e\n\u003cp data-end=\"1008\" data-start=\"722\"\u003eWhether you're experimenting with RFID, NFC, Sub-GHz, infrared, Bluetooth or custom GPIO hardware, KIISU provides an incredibly capable development platform while remaining compatible with a large ecosystem of Flipper Zero firmware and accessories. \u003cspan data-state=\"closed\" class=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-end=\"1251\" data-start=\"1010\"\u003eUnlike many hobbyist development boards, KIISU has been engineered to be genuinely portable, making it ideal for engineers, makers, hardware developers and authorised security researchers who want a compact platform they can carry every day.\u003c\/p\u003e\n\u003ch1 class=\"PDq2pG_selectionAnchorContainer\" data-end=\"4462\" data-start=\"4439\" data-section-id=\"z1oivw\"\u003eFlipper Compatibility\u003cspan class=\"PDq2pG_selectionAnchor\" aria-hidden=\"true\"\u003e\u003c\/span\u003e\n\u003c\/h1\u003e\n\u003cp data-end=\"4778\" data-start=\"4464\"\u003eKIISU is designed to run firmware derived from or compatible with much of the Flipper Zero ecosystem and supports many existing Flipper applications and GPIO expansion boards. Because firmware projects evolve independently, application compatibility may vary between releases.\u003c\/p\u003e\n\u003ch1 class=\"\" data-end=\"5104\" data-start=\"5073\" data-section-id=\"4pk89g\"\u003eWhy We Think KIISU is Special\u003c\/h1\u003e\n\u003cp data-end=\"5145\" data-start=\"5106\"\u003eThere are plenty of development boards.\u003c\/p\u003e\n\u003cp data-end=\"5182\" data-start=\"5147\"\u003eThere are plenty of wireless tools.\u003c\/p\u003e\n\u003cp data-end=\"5224\" data-start=\"5184\"\u003eThere are very few devices that combine:\u003c\/p\u003e\n\u003cul data-end=\"5401\" data-start=\"5226\"\u003e\n\u003cli data-end=\"5252\" data-start=\"5226\" data-section-id=\"1vme5lk\"\u003eWallet-sized portability\u003c\/li\u003e\n\u003cli data-end=\"5285\" data-start=\"5253\" data-section-id=\"1k2jz3s\"\u003eMultiple wireless technologies\u003c\/li\u003e\n\u003cli data-end=\"5301\" data-start=\"5286\" data-section-id=\"cwkukt\"\u003eOpen firmware\u003c\/li\u003e\n\u003cli data-end=\"5318\" data-start=\"5302\" data-section-id=\"f37oxs\"\u003eGPIO expansion\u003c\/li\u003e\n\u003cli data-end=\"5348\" data-start=\"5319\" data-section-id=\"10ryf74\"\u003eExcellent community support\u003c\/li\u003e\n\u003cli data-end=\"5373\" data-start=\"5349\" data-section-id=\"18c9se2\"\u003eRechargeable operation\u003c\/li\u003e\n\u003cli data-end=\"5401\" data-start=\"5374\" data-section-id=\"1kt0m0o\"\u003eModern USB-C connectivity\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"5444\" data-start=\"5403\"\u003einto one beautifully engineered platform.\u003c\/p\u003e\n\u003cp data-end=\"5523\" data-start=\"5446\"\u003eKIISU strikes an excellent balance between capability, portability and price.\u003c\/p\u003e\n\u003ch1 data-end=\"5540\" data-start=\"5530\" data-section-id=\"7x1c8n\"\u003eFirmware\u003c\/h1\u003e\n\u003cp data-end=\"5661\" data-start=\"5542\"\u003eKIISU ships with its own firmware but also supports firmware and applications derived from the wider Flipper ecosystem.\u003c\/p\u003e\n\u003cp data-end=\"5922\" data-start=\"5663\"\u003eAs firmware is actively developed, we always recommend using the latest official releases for the best experience and newest features. Recent updates have addressed stability, AUX MCU configuration and charging behaviour.\u003c\/p\u003e\n\u003ch1 data-section-id=\"rl87mn\" data-start=\"3166\" data-end=\"3185\"\u003eHardware Features\u003c\/h1\u003e\n\u003ch3 data-section-id=\"wlaql6\" data-start=\"3187\" data-end=\"3198\"\u003eSub-GHz\u003c\/h3\u003e\n\u003cul data-start=\"3200\" data-end=\"3299\"\u003e\n\u003cli data-section-id=\"1d31wv5\" data-start=\"3200\" data-end=\"3228\"\u003eCC1101 Sub-GHz transceiver\u003c\/li\u003e\n\u003cli data-section-id=\"ym02x1\" data-start=\"3229\" data-end=\"3255\"\u003eExternal antenna support\u003c\/li\u003e\n\u003cli data-section-id=\"1bfqmoy\" data-start=\"3256\" data-end=\"3299\"\u003eCompatible with many Sub-GHz applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"1xxfb4d\" data-start=\"3306\" data-end=\"3313\"\u003eNFC\u003c\/h3\u003e\n\u003cul data-start=\"3315\" data-end=\"3420\"\u003e\n\u003cli data-section-id=\"1tnvyfj\" data-start=\"3315\" data-end=\"3346\"\u003eST25R3916 NFC reader\/emulator\u003c\/li\u003e\n\u003cli data-section-id=\"pare00\" data-start=\"3347\" data-end=\"3367\"\u003eIntegrated antenna\u003c\/li\u003e\n\u003cli data-section-id=\"ti4wwk\" data-start=\"3368\" data-end=\"3420\"\u003eRead, emulate and experiment with NFC technologies\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"ynoi0v\" data-start=\"3427\" data-end=\"3435\"\u003eRFID\u003c\/h3\u003e\n\u003cul data-start=\"3437\" data-end=\"3510\"\u003e\n\u003cli data-section-id=\"4yhml4\" data-start=\"3437\" data-end=\"3459\"\u003eBuilt-in RFID reader\u003c\/li\u003e\n\u003cli data-section-id=\"9i3x1n\" data-start=\"3460\" data-end=\"3489\"\u003eRFID emulation capabilities\u003c\/li\u003e\n\u003cli data-section-id=\"pare00\" data-start=\"3490\" data-end=\"3510\"\u003eIntegrated antenna\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"x9ldhj\" data-start=\"3517\" data-end=\"3529\"\u003eInfrared\u003c\/h3\u003e\n\u003cul data-start=\"3531\" data-end=\"3561\"\u003e\n\u003cli data-section-id=\"5rew9m\" data-start=\"3531\" data-end=\"3547\"\u003eIR transmitter\u003c\/li\u003e\n\u003cli data-section-id=\"44n3sa\" data-start=\"3548\" data-end=\"3561\"\u003eIR receiver\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"3563\" data-end=\"3639\"\u003ePerfect for experimenting with IR protocols and remote control applications.\u003c\/p\u003e\n\u003ch3 data-section-id=\"1nhusuo\" data-start=\"3646\" data-end=\"3659\"\u003eBluetooth\u003c\/h3\u003e\n\u003cp data-start=\"3661\" data-end=\"3687\"\u003eBluetooth Low Energy (BLE)\u003c\/p\u003e\n\u003ch3 data-section-id=\"1651uj2\" data-start=\"3694\" data-end=\"3712\"\u003eGPIO Expansion\u003c\/h3\u003e\n\u003cp data-start=\"3714\" data-end=\"3810\"\u003ePin-compatible GPIO interface supporting many existing Flipper Zero compatible expansion boards.\u003c\/p\u003e\n\u003ch3 data-section-id=\"1fkzhfd\" data-start=\"3817\" data-end=\"3828\" class=\"\"\u003eiButton\u003c\/h3\u003e\n\u003cp data-start=\"3830\" data-end=\"3857\"\u003eIntegrated iButton support.\u003c\/p\u003e\n\u003ch1 data-end=\"5947\" data-start=\"5929\" data-section-id=\"u2amdi\"\u003ePackage Contents\u003c\/h1\u003e\n\u003cul data-end=\"6028\" data-start=\"5949\"\u003e\n\u003cli data-end=\"5979\" data-start=\"5949\" data-section-id=\"lpxwse\"\u003eKIISU V4BR Development Board\u003c\/li\u003e\n\u003cli data-end=\"6000\" data-start=\"5980\" data-section-id=\"1xgf7vr\"\u003eUSB-C connectivity\u003c\/li\u003e\n\u003cli data-end=\"6028\" data-start=\"6001\" data-section-id=\"18dk9y7\"\u003eQuick Start documentation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"6094\" data-start=\"6030\"\u003e(Battery and accessories may vary depending on bundle selected.)\u003c\/p\u003e\n\u003ch1 data-section-id=\"d9562x\" data-start=\"6892\" data-end=\"6906\" class=\"PDq2pG_selectionAnchorContainer\"\u003eUseful Links\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h1\u003e\n\u003ch3 data-section-id=\"170bud8\" data-start=\"6908\" data-end=\"6928\"\u003eOfficial Website\u003c\/h3\u003e\n\u003cul data-start=\"6930\" data-end=\"6969\"\u003e\n\u003cli data-section-id=\"1fetjdh\" data-start=\"6930\" data-end=\"6969\"\u003e\u003cspan class=\"\" data-state=\"closed\"\u003e\u003ca class=\"decorated-link\" rel=\"noopener\" href=\"https:\/\/kiisu.io\/kiisu-v4br\/\" target=\"_blank\"\u003eKIISU Official Website\u003c\/a\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"8q6zro\" data-start=\"6971\" data-end=\"6988\"\u003eDocumentation\u003c\/h3\u003e\n\u003cul data-start=\"6990\" data-end=\"7029\"\u003e\n\u003cli data-section-id=\"16uh11\" data-start=\"6990\" data-end=\"7029\"\u003e\u003cspan class=\"\" data-state=\"closed\"\u003e\u003ca class=\"decorated-link\" rel=\"noopener\" href=\"https:\/\/kiisu.io\/kiisu-v4br\/\" target=\"_blank\"\u003eOfficial Documentation\u003c\/a\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"ca1keb\" data-start=\"7031\" data-end=\"7041\"\u003eGitHub\u003c\/h3\u003e\n\u003cul data-start=\"7043\" data-end=\"7162\"\u003e\n\u003cli data-section-id=\"btvcid\" data-start=\"7043\" data-end=\"7082\"\u003e\u003cspan class=\"\" data-state=\"closed\"\u003e\u003ca class=\"decorated-link\" rel=\"noopener\" href=\"https:\/\/kiisu.io\/kiisu-v4br\/\" target=\"_blank\"\u003eKIISU GitHub Organisation\u003c\/a\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-section-id=\"u21111\" data-start=\"7083\" data-end=\"7122\"\u003e\u003cspan class=\"\" data-state=\"closed\"\u003e\u003ca class=\"decorated-link\" rel=\"noopener\" href=\"https:\/\/kiisu.io\/kiisu-v4br\/\" target=\"_blank\"\u003eMain Firmware Repository\u003c\/a\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-section-id=\"1j40yc5\" data-start=\"7123\" data-end=\"7162\"\u003e\n\u003cspan class=\"\" data-state=\"closed\"\u003e\u003ca class=\"decorated-link\" rel=\"noopener\" href=\"https:\/\/kiisu.io\/kiisu-v4br\/\" target=\"_blank\"\u003eAux MCU Firmware\u003c\/a\u003e\u003c\/span\u003e\u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan class=\"\" data-state=\"closed\"\u003eFirmware\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003ca title=\"Momentum Firmware (Kiisu)\" href=\"https:\/\/momentum-fw.dev\/update?branch=kiisu-mntm\"\u003e\u003cspan class=\"\" data-state=\"closed\"\u003ehttps:\/\/momentum-fw.dev\/update?branch=kiisu-mntm \u003c\/span\u003e\u003c\/a\u003e\u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan class=\"\" data-state=\"closed\"\u003eNotice\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003eHackitsune hardware is designed for professional security research, development, and authorised testing purposes only. Users are responsible for ensuring compliance with all applicable laws and regulations in their jurisdiction. Always obtain proper authorisation before interacting with systems, networks, or devices you do not own.\u003c\/p\u003e\n\u003cp\u003eHackitsune accepts no liability for misuse of this product. Use responsibly. 🦊\u003c\/p\u003e\n\u003ch1\u003eCommunity Reviews\u003c\/h1\u003e\n\u003cdiv style=\"display: flex; justify-content: center; gap: 18px; flex-wrap: wrap; margin: 20px 0;\"\u003e\n\u003ca href=\"https:\/\/www.youtube.com\/watch?v=9x8JU-1gZNo\" style=\"text-decoration: none; text-align: center; color: inherit; width: 180px;\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/img.youtube.com\/vi\/9x8JU-1gZNo\/hqdefault.jpg\" alt=\"Meet KIISU\" style=\"width: 100%; border-radius: 8px;\"\u003e\n\u003cdiv style=\"margin-top: 8px; font-weight: bold; font-size: 14px;\"\u003eMeet KIISU\u003c\/div\u003e\n\u003c\/a\u003e\u003ca href=\"https:\/\/www.youtube.com\/watch?v=Vno7HO2mxeU\" style=\"text-decoration: none; text-align: center; color: inherit; width: 180px;\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/img.youtube.com\/vi\/Vno7HO2mxeU\/hqdefault.jpg\" alt=\"KIISU vs Flipper Zero\" style=\"width: 100%; border-radius: 8px;\"\u003e\n\u003cdiv style=\"margin-top: 8px; font-weight: bold; font-size: 14px;\"\u003eKIISU vs Flipper Zero\u003c\/div\u003e\n\u003c\/a\u003e\u003ca href=\"https:\/\/www.youtube.com\/watch?v=yDE8fdXE5us\" style=\"text-decoration: none; text-align: center; color: inherit; width: 180px;\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/img.youtube.com\/vi\/yDE8fdXE5us\/hqdefault.jpg\" alt=\"Flipper Zero Clone?\" style=\"width: 100%; border-radius: 8px;\"\u003e\n\u003cdiv style=\"margin-top: 8px; font-weight: bold; font-size: 14px;\"\u003eFlipper Zero Clone?\u003c\/div\u003e\n\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cp data-start=\"1292\" data-end=\"1369\"\u003eHackitsune isn't simply stocking KIISU we're building an ecosystem around it.\u003c\/p\u003e\n\u003ch3 data-section-id=\"1pq0ldp\" data-start=\"1371\" data-end=\"1402\"\u003eComing Soon from Hackitsune\u003c\/h3\u003e\n\u003cp data-start=\"1404\" data-end=\"1495\"\u003eCustom low-profile GPIO expansion modules designed specifically for the KIISU form factor\u003c\/p\u003e\n\u003cp data-start=\"1497\" data-end=\"1783\"\u003eWhile KIISU supports  existing Flipper Zero GPIO accessories, the credit card design deserves hardware that is equally compact. Our upcoming expansion boards are being designed specifically for KIISU to minimise overhang while maintaining full compatibility with the GPIO interface.\u003c\/p\u003e\n\u003cp data-start=\"1785\" data-end=\"1827\"\u003eExamples currently in development include:\u003c\/p\u003e\n\u003cul data-start=\"1829\" data-end=\"1958\"\u003e\n\u003cli data-section-id=\"1sbgt13\" data-start=\"1829\" data-end=\"1849\"\u003eESP32-c5 WiFi module\u003c\/li\u003e\n\u003cli data-section-id=\"141pgng\" data-start=\"1850\" data-end=\"1870\"\u003eHigh capacity power module\u003c\/li\u003e\n\u003cli data-section-id=\"141pgng\" data-start=\"1850\" data-end=\"1870\"\u003eExternal RF antenna mod kit.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"z198zn\" data-start=\"1965\" data-end=\"1992\"\u003eCustom Protective Cases\u003c\/h3\u003e\n\u003cp data-start=\"1994\" data-end=\"2038\"\u003eWe're also developing a range of: protective cases and every day carry cases designed specifically for KIISU.\u003c\/p\u003e","brand":"Kiisu","offers":[{"title":"Default Title","offer_id":52011811373272,"sku":"KIISU","price":189.0,"currency_code":"AUD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0774\/8121\/4168\/files\/KIISUV4BR1.png?v=1784696980","url":"https:\/\/www.hackitsune.com\/de\/products\/kiisu-v4br-development-board-credit-card-sized-flipper-zero-firmware-compatible-development-board","provider":"Hackitsune","version":"1.0","type":"link"}