{"product_id":"breadboard-adapter-for-esp8266-serial-to-wifi-transceiver","title":"Breadboard Adapter for ESP8266 Serial-to-WiFi","description":"\u003cdiv class=\"product-copy\"\u003e\n\u003cstyle\u003e\n .product-copy{line-height:1.7;color:#1f2937}\n .product-copy \u003e * + *{margin-top:1rem}\n .product-copy h2{margin:1.4em 0 .6em;color:#111827}\n .product-copy h3{margin:1.1em 0 .5em;color:#111827}\n .product-copy p{margin:0 0 1em}\n .product-copy ul,.product-copy ol{margin:0 0 1.2em 1.2em}\n .product-copy li{margin:.35em 0}\n .product-copy table{width:100%;border-collapse:collapse;margin:1.2em 0;font-size:.97em}\n .product-copy table th,.product-copy table td{border:1px solid #e5e7eb;padding:.65em .8em;text-align:left;vertical-align:top}\n .product-copy table th{background:#f9fafb}\n .product-copy table thead th{background:#f3f4f6;font-weight:600;color:#374151}\n .product-copy table tbody tr:nth-child(even) td{background:#fafafa}\n .faq-list{margin:1.2rem 0 1.4rem}\n .faq{border:1px solid #e5e7eb;border-radius:12px;padding:.85rem 1rem;margin:.6rem 0;background:#fafafa}\n .note{background:#f8fafc;border-left:4px solid #2563eb;padding:.85rem 1rem;border-radius:8px}\n .badge{display:inline-block;background:#dbeafe;color:#1d4ed8;border-radius:6px;padding:.1em .55em;font-size:.85em;font-weight:600;margin-right:.3em}\n\u003c\/style\u003e\n\n\u003ch2\u003eBreadboard Adapter for ESP-01 \/ ESP8266 — Use Your WiFi Module on a Breadboard\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eESP8266 Breadboard Adapter\u003c\/strong\u003e solves the most frustrating part of working with ESP-01 modules:\nthe 2mm pitch pin spacing that does not fit standard 2.54mm breadboards.\nThis adapter board converts the ESP-01's 2mm headers to breadboard-friendly 2.54mm spacing,\nand adds a 3.3V onboard regulator so you can power the module directly from a 5V USB or Arduino supply.\u003c\/p\u003e\n\u003cp\u003eNo more dangling wires, 3D-printed jigs, or female-to-male jumper hacks.\nJust plug the ESP-01 into the adapter and the adapter into your breadboard — clean and stable every time.\u003c\/p\u003e\n\n\u003ch3\u003eKey features\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003e2.54 mm breadboard pitch:\u003c\/strong\u003e Converts ESP-01's 2mm pins to standard breadboard spacing\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eOnboard 3.3V regulator:\u003c\/strong\u003e Power the ESP-01 safely from a 5V supply — no separate regulator needed\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eReset and GPIO0 buttons:\u003c\/strong\u003e Program mode and reset without extra wiring\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eAll pins exposed:\u003c\/strong\u003e VCC, GND, TX, RX, GPIO0, GPIO2, RST, CH_PD — all accessible\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eCompact footprint:\u003c\/strong\u003e Occupies minimal breadboard rows\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eWorks with ESP-01 and ESP-01S:\u003c\/strong\u003e Compatible with both 512 KB and 1 MB variants\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical specifications\u003c\/h3\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n\u003cth\u003eCompatible Modules\u003c\/th\u003e\n\u003ctd\u003eESP-01, ESP-01S (2mm pitch ESP8266 modules)\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eOutput Pin Pitch\u003c\/th\u003e\n\u003ctd\u003e2.54 mm (standard breadboard)\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eOnboard Regulator\u003c\/th\u003e\n\u003ctd\u003e3.3V LDO (powers ESP-01 from 5V input)\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eButtons\u003c\/th\u003e\n\u003ctd\u003eRST (Reset), IO0 (Flash mode)\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003ePins Exposed\u003c\/th\u003e\n\u003ctd\u003eVCC, GND, TX, RX, GPIO0, GPIO2, RST, CH_PD\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eInput Voltage\u003c\/th\u003e\n\u003ctd\u003e5V (via VCC or USB pin)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cdiv class=\"faq-list\"\u003e\n \u003cdiv class=\"faq\"\u003e\n\u003cstrong\u003eDo I still need a USB-to-serial adapter?\u003c\/strong\u003e Yes. This adapter handles power and pin spacing — you still need a USB-to-serial (CH340 or CP2102) to program the ESP-01 via TX\/RX.\u003c\/div\u003e\n \u003cdiv class=\"faq\"\u003e\n\u003cstrong\u003eDoes it work with ESP-01S?\u003c\/strong\u003e Yes. Both ESP-01 (512 KB) and ESP-01S (1 MB) use the same 2mm 8-pin connector and are compatible with this adapter.\u003c\/div\u003e\n \u003cdiv class=\"faq\"\u003e\n\u003cstrong\u003eCan I power it from 3.3V directly?\u003c\/strong\u003e The regulator accepts 5V in. If your supply is already 3.3V, bypass the regulator and connect 3.3V directly to the 3.3V output pin — but check the adapter's schematic to confirm the bypass point.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"circuitrocks","offers":[{"title":"Default Title","offer_id":45813712650529,"sku":"CDD8266STW","price":149.0,"currency_code":"PHP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/1491\/5617\/products\/breadboard-adapter-for-esp8266-serial-to-wifi-transceiver-1012.jpg?v=1689672507","url":"https:\/\/circuit.rocks\/products\/breadboard-adapter-for-esp8266-serial-to-wifi-transceiver","provider":"circuitrocks","version":"1.0","type":"link"}