{"id":377,"date":"2026-05-20T09:01:49","date_gmt":"2026-05-20T09:01:49","guid":{"rendered":"https:\/\/qihantech.com\/?post_type=product&#038;p=377"},"modified":"2026-05-20T11:12:00","modified_gmt":"2026-05-20T11:12:00","slug":"0-42-inch-oled-display-module-70x40-ssd1306-spi-interface","status":"publish","type":"product","link":"https:\/\/qihantech.com\/pt\/produto\/0-42-inch-oled-display-module-70x40-ssd1306-spi-interface\/","title":{"rendered":"0.42 Inch OLED Display Module 70\u00d740 SSD1306 SPI Interface"},"content":{"rendered":"<h2 data-section-id=\"1bw7wp4\" data-start=\"88\" data-end=\"110\">Product Description<\/h2>\n<p data-start=\"112\" data-end=\"494\">The QIHAN HQ042PMBX-1 is an ultra-compact 0.42-inch OLED display module designed for embedded systems requiring low power consumption, high contrast, and excellent readability in a limited installation space. Featuring a resolution of 70\u00d740 pixels and driven by the SSD1306 controller IC, this OLED display delivers sharp monochrome graphics and text with fast response performance.<\/p>\n<p data-start=\"496\" data-end=\"721\">Unlike traditional LCD modules, OLED technology generates its own light and does not require a backlight. This allows lower power consumption, higher contrast ratios, and wider viewing angles while maintaining a slim profile.<\/p>\n<p data-start=\"723\" data-end=\"1070\">The HQ042PMBX-1 supports a 4-wire SPI communication interface and operates from a single 3.3V power supply, simplifying integration into portable and battery-powered applications. Its compact structure and stable performance make it suitable for wearable devices, industrial equipment, medical instruments, smart electronics, and handheld devices.<\/p>\n<p data-start=\"1072\" data-end=\"1240\">As a professional OLED and TFT LCD manufacturer, QIHAN also provides customized interfaces, touch solutions, and display optimization services for OEM and ODM projects.<\/p>\n<p data-start=\"1072\" data-end=\"1240\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-379\" src=\"https:\/\/qihantech.com\/wp-content\/uploads\/2026\/05\/42-inch-OLED-01-300x300.webp\" alt=\"\" width=\"300\" height=\"300\" srcset=\"https:\/\/qihantech.com\/wp-content\/uploads\/2026\/05\/42-inch-OLED-01-300x300.webp 300w, https:\/\/qihantech.com\/wp-content\/uploads\/2026\/05\/42-inch-OLED-01-150x150.webp 150w, https:\/\/qihantech.com\/wp-content\/uploads\/2026\/05\/42-inch-OLED-01-768x768.webp 768w, https:\/\/qihantech.com\/wp-content\/uploads\/2026\/05\/42-inch-OLED-01-500x500.webp 500w, https:\/\/qihantech.com\/wp-content\/uploads\/2026\/05\/42-inch-OLED-01.webp 800w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/p>\n<h2 data-section-id=\"qhhk8d\" data-start=\"1247\" data-end=\"1268\">\u00a0Highlights<\/h2>\n<ul>\n<li data-start=\"1270\" data-end=\"1785\">Ultra-compact 0.42-inch OLED display module<\/li>\n<li data-start=\"1270\" data-end=\"1785\">Resolution: 70 \u00d7 40 pixels<\/li>\n<li data-start=\"1270\" data-end=\"1785\">High contrast for excellent visibility<\/li>\n<li data-start=\"1270\" data-end=\"1785\">OLED self-emitting technology without backlight<\/li>\n<li data-start=\"1270\" data-end=\"1785\">Extremely wide viewing angle (ALL View)<\/li>\n<li data-start=\"1270\" data-end=\"1785\">Low power consumption for battery devices<\/li>\n<li data-start=\"1270\" data-end=\"1785\">Single 3.3V power supply operation<\/li>\n<li data-start=\"1270\" data-end=\"1785\">Built-in SSD1306 controller IC<\/li>\n<li data-start=\"1270\" data-end=\"1785\">4-wire SPI communication interface<\/li>\n<li data-start=\"1270\" data-end=\"1785\">Fast response speed and stable performance<\/li>\n<li data-start=\"1270\" data-end=\"1785\">Compact design for embedded systems<\/li>\n<li data-start=\"1270\" data-end=\"1785\">Custom interface and solution support available<\/li>\n<\/ul>\n<h2 data-section-id=\"3ipjz4\" data-start=\"1792\" data-end=\"1817\">Specifications<\/h2>\n<div class=\"TyagGW_tableContainer\">\n<div class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\">\n<table class=\"w-fit min-w-(--thread-content-width)\" data-start=\"1819\" data-end=\"2387\">\n<thead data-start=\"1819\" data-end=\"1848\">\n<tr data-start=\"1819\" data-end=\"1848\">\n<th class=\"last:pe-10\" data-start=\"1819\" data-end=\"1831\" data-col-size=\"sm\">Parameter<\/th>\n<th class=\"last:pe-10\" data-start=\"1831\" data-end=\"1848\" data-col-size=\"sm\">Specification<\/th>\n<\/tr>\n<\/thead>\n<tbody data-start=\"1859\" data-end=\"2387\">\n<tr data-start=\"1859\" data-end=\"1886\">\n<td data-start=\"1859\" data-end=\"1871\" data-col-size=\"sm\">Model No.<\/td>\n<td data-start=\"1871\" data-end=\"1886\" data-col-size=\"sm\">HQ042PMBX-1<\/td>\n<\/tr>\n<tr data-start=\"1887\" data-end=\"1915\">\n<td data-start=\"1887\" data-end=\"1902\" data-col-size=\"sm\">Display Size<\/td>\n<td data-col-size=\"sm\" data-start=\"1902\" data-end=\"1915\">0.42 Inch<\/td>\n<\/tr>\n<tr data-start=\"1916\" data-end=\"1939\">\n<td data-start=\"1916\" data-end=\"1931\" data-col-size=\"sm\">Display Type<\/td>\n<td data-col-size=\"sm\" data-start=\"1931\" data-end=\"1939\">OLED<\/td>\n<\/tr>\n<tr data-start=\"1940\" data-end=\"1971\">\n<td data-start=\"1940\" data-end=\"1953\" data-col-size=\"sm\">Resolu\u00e7\u00e3o<\/td>\n<td data-start=\"1953\" data-end=\"1971\" data-col-size=\"sm\">70 \u00d7 40 Pixels<\/td>\n<\/tr>\n<tr data-start=\"1972\" data-end=\"2007\">\n<td data-start=\"1972\" data-end=\"1988\" data-col-size=\"sm\">Display Color<\/td>\n<td data-start=\"1988\" data-end=\"2007\" data-col-size=\"sm\">White (Typical)<\/td>\n<\/tr>\n<tr data-start=\"2008\" data-end=\"2036\">\n<td data-start=\"2008\" data-end=\"2024\" data-col-size=\"sm\">Viewing Angle<\/td>\n<td data-col-size=\"sm\" data-start=\"2024\" data-end=\"2036\">ALL View<\/td>\n<\/tr>\n<tr data-start=\"2037\" data-end=\"2085\">\n<td data-start=\"2037\" data-end=\"2049\" data-col-size=\"sm\">Luminance<\/td>\n<td data-col-size=\"sm\" data-start=\"2049\" data-end=\"2085\">High Contrast Self-Emitting OLED<\/td>\n<\/tr>\n<tr data-start=\"2086\" data-end=\"2109\">\n<td data-start=\"2086\" data-end=\"2098\" data-col-size=\"sm\">Driver IC<\/td>\n<td data-start=\"2098\" data-end=\"2109\" data-col-size=\"sm\">SSD1306<\/td>\n<\/tr>\n<tr data-start=\"2110\" data-end=\"2136\">\n<td data-start=\"2110\" data-end=\"2122\" data-col-size=\"sm\">Interface<\/td>\n<td data-col-size=\"sm\" data-start=\"2122\" data-end=\"2136\">4-wire SPI<\/td>\n<\/tr>\n<tr data-start=\"2137\" data-end=\"2162\">\n<td data-start=\"2137\" data-end=\"2154\" data-col-size=\"sm\">Supply Voltage<\/td>\n<td data-col-size=\"sm\" data-start=\"2154\" data-end=\"2162\">3.3V<\/td>\n<\/tr>\n<tr data-start=\"2163\" data-end=\"2202\">\n<td data-start=\"2163\" data-end=\"2181\" data-col-size=\"sm\">Touch Driver IC<\/td>\n<td data-col-size=\"sm\" data-start=\"2181\" data-end=\"2202\">Can Be Customized<\/td>\n<\/tr>\n<tr data-start=\"2203\" data-end=\"2244\">\n<td data-start=\"2203\" data-end=\"2227\" data-col-size=\"sm\">Operating Temperature<\/td>\n<td data-col-size=\"sm\" data-start=\"2227\" data-end=\"2244\">-40\u00b0C ~ +85\u00b0C<\/td>\n<\/tr>\n<tr data-start=\"2245\" data-end=\"2284\">\n<td data-start=\"2245\" data-end=\"2267\" data-col-size=\"sm\">Storage Temperature<\/td>\n<td data-start=\"2267\" data-end=\"2284\" data-col-size=\"sm\">-40\u00b0C ~ +85\u00b0C<\/td>\n<\/tr>\n<tr data-start=\"2285\" data-end=\"2323\">\n<td data-start=\"2285\" data-end=\"2300\" data-col-size=\"sm\">Display Mode<\/td>\n<td data-start=\"2300\" data-end=\"2323\" data-col-size=\"sm\">Passive Matrix OLED<\/td>\n<\/tr>\n<tr data-start=\"2324\" data-end=\"2358\">\n<td data-start=\"2324\" data-end=\"2340\" data-col-size=\"sm\">Mounting Type<\/td>\n<td data-col-size=\"sm\" data-start=\"2340\" data-end=\"2358\">FPC Connection<\/td>\n<\/tr>\n<tr data-start=\"2359\" data-end=\"2387\">\n<td data-start=\"2359\" data-end=\"2371\" data-col-size=\"sm\">Backlight<\/td>\n<td data-col-size=\"sm\" data-start=\"2371\" data-end=\"2387\">Not Required<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<h2 data-section-id=\"mu966k\" data-start=\"2394\" data-end=\"2409\">Applications<\/h2>\n<h3 data-section-id=\"kapfq\" data-start=\"2411\" data-end=\"2431\">Wearable Devices<\/h3>\n<ul data-start=\"2433\" data-end=\"2495\">\n<li data-section-id=\"1upl06m\" data-start=\"2433\" data-end=\"2448\">Smart watches<\/li>\n<li data-section-id=\"8huhcj\" data-start=\"2449\" data-end=\"2467\">Fitness trackers<\/li>\n<li data-section-id=\"5igt1v\" data-start=\"2468\" data-end=\"2495\">Health monitoring devices<\/li>\n<\/ul>\n<h3 data-section-id=\"1cfj11n\" data-start=\"2497\" data-end=\"2521\">Industrial Equipment<\/h3>\n<ul data-start=\"2523\" data-end=\"2594\">\n<li data-section-id=\"jqxko9\" data-start=\"2523\" data-end=\"2547\">Industrial instruments<\/li>\n<li data-section-id=\"1xni9uv\" data-start=\"2548\" data-end=\"2576\">Portable testing equipment<\/li>\n<li data-section-id=\"1d73oe1\" data-start=\"2577\" data-end=\"2594\">Control systems<\/li>\n<\/ul>\n<h3 data-section-id=\"1ecodk6\" data-start=\"2596\" data-end=\"2615\">Dispositivos M\u00e9dicos<\/h3>\n<ul data-start=\"2617\" data-end=\"2691\">\n<li data-section-id=\"grj5a2\" data-start=\"2617\" data-end=\"2645\">Portable medical equipment<\/li>\n<li data-section-id=\"dju96a\" data-start=\"2646\" data-end=\"2666\">Monitoring systems<\/li>\n<li data-section-id=\"ak38tl\" data-start=\"2667\" data-end=\"2691\">Diagnostic instruments<\/li>\n<\/ul>\n<h3 data-section-id=\"12a2ull\" data-start=\"2693\" data-end=\"2717\">Consumer Electronics<\/h3>\n<ul data-start=\"2719\" data-end=\"2774\">\n<li data-section-id=\"1ihp53p\" data-start=\"2719\" data-end=\"2739\">Smart home devices<\/li>\n<li data-section-id=\"lqh2lp\" data-start=\"2740\" data-end=\"2755\">IoT terminals<\/li>\n<li data-section-id=\"dip9k5\" data-start=\"2756\" data-end=\"2774\">Handheld devices<\/li>\n<\/ul>\n<h3 data-section-id=\"1ecrbwm\" data-start=\"2776\" data-end=\"2796\">Security Systems<\/h3>\n<ul data-start=\"2798\" data-end=\"2875\">\n<li data-section-id=\"1h3gb7h\" data-start=\"2798\" data-end=\"2822\">Access control systems<\/li>\n<li data-section-id=\"1ctdeew\" data-start=\"2823\" data-end=\"2854\">Security monitoring equipment<\/li>\n<li data-section-id=\"1jj0sto\" data-start=\"2855\" data-end=\"2875\">Portable terminals<\/li>\n<\/ul>\n<h3 data-section-id=\"13cpwim\" data-start=\"2877\" data-end=\"2897\">Embedded Systems<\/h3>\n<ul data-start=\"2899\" data-end=\"2966\">\n<li data-section-id=\"1oprlwk\" data-start=\"2899\" data-end=\"2917\">Arduino projects<\/li>\n<li data-section-id=\"zqtbzt\" data-start=\"2918\" data-end=\"2941\">Raspberry Pi projects<\/li>\n<li data-section-id=\"bm9zwp\" data-start=\"2942\" data-end=\"2966\">MCU development boards<\/li>\n<\/ul>\n<h2 data-section-id=\"1hryhf7\" data-start=\"2973\" data-end=\"2979\">Perguntas Frequentes<\/h2>\n<h3 data-section-id=\"1ejvxlr\" data-start=\"2981\" data-end=\"3057\">Q1: What are the advantages of OLED displays compared with LCD displays?<\/h3>\n<p data-start=\"3059\" data-end=\"3100\">OLED displays provide several advantages:<\/p>\n<ul data-start=\"3102\" data-end=\"3239\">\n<li data-section-id=\"rrzmvm\" data-start=\"3102\" data-end=\"3125\">Higher contrast ratio<\/li>\n<li data-section-id=\"6mjhfe\" data-start=\"3126\" data-end=\"3148\">Wider viewing angles<\/li>\n<li data-section-id=\"1n3jqvv\" data-start=\"3149\" data-end=\"3172\">Faster response speed<\/li>\n<li data-section-id=\"15ti0oh\" data-start=\"3173\" data-end=\"3198\">Lower power consumption<\/li>\n<li data-section-id=\"1edrghh\" data-start=\"3199\" data-end=\"3222\">No backlight required<\/li>\n<li data-section-id=\"1p7muyj\" data-start=\"3223\" data-end=\"3239\">Slimmer design<\/li>\n<\/ul>\n<h3 data-section-id=\"18u868b\" data-start=\"3246\" data-end=\"3300\">Q2: What controller IC is used in the HQ042PMBX-1?<\/h3>\n<p data-start=\"3302\" data-end=\"3398\">The display uses the SSD1306 controller IC, providing stable performance and simple integration.<\/p>\n<h3 data-section-id=\"16zv9nk\" data-start=\"3405\" data-end=\"3468\">Q3: What communication interface does this display support?<\/h3>\n<p data-start=\"3470\" data-end=\"3600\">The standard module supports a 4-wire SPI interface. Custom interface options may also be available based on project requirements.<\/p>\n<h3 data-section-id=\"1p7pffa\" data-start=\"3607\" data-end=\"3673\">Q4: Can this OLED module be used with Arduino or Raspberry Pi?<\/h3>\n<p data-start=\"3675\" data-end=\"3726\">Yes. The HQ042PMBX-1 can be easily integrated with:<\/p>\n<ul data-start=\"3728\" data-end=\"3804\">\n<li data-section-id=\"1p0dl36\" data-start=\"3728\" data-end=\"3737\">Arduino<\/li>\n<li data-section-id=\"obmunz\" data-start=\"3738\" data-end=\"3752\">Raspberry Pi<\/li>\n<li data-section-id=\"131s3cq\" data-start=\"3753\" data-end=\"3768\">ARM platforms<\/li>\n<li data-section-id=\"1o4oeq\" data-start=\"3769\" data-end=\"3774\">PIC<\/li>\n<li data-section-id=\"1o4fvx\" data-start=\"3775\" data-end=\"3780\">AVR<\/li>\n<li data-section-id=\"bsihg1\" data-start=\"3781\" data-end=\"3804\">8051 microcontrollers<\/li>\n<\/ul>\n<h3 data-section-id=\"fv11uo\" data-start=\"3811\" data-end=\"3856\">Q5: Does the display require a backlight?<\/h3>\n<p data-start=\"3858\" data-end=\"3962\">No. OLED technology is self-emissive and does not require a backlight, helping reduce power consumption.<\/p>\n<h3 data-section-id=\"15e1w0f\" data-start=\"3969\" data-end=\"4016\">Q6: Can QIHAN provide customized solutions?<\/h3>\n<p data-start=\"4018\" data-end=\"4062\">Yes. QIHAN supports customization including:<\/p>\n<ul data-start=\"4064\" data-end=\"4191\">\n<li data-section-id=\"k4qmmr\" data-start=\"4064\" data-end=\"4088\">Interface modification<\/li>\n<li data-section-id=\"1rdy9v7\" data-start=\"4089\" data-end=\"4108\">Touch integration<\/li>\n<li data-section-id=\"8scgqo\" data-start=\"4109\" data-end=\"4128\">FPC customization<\/li>\n<li data-section-id=\"1m5g674\" data-start=\"4129\" data-end=\"4154\">Brightness optimization<\/li>\n<li data-section-id=\"1hiunzf\" data-start=\"4155\" data-end=\"4191\">Mechanical structure customization<\/li>\n<\/ul>\n<p>&nbsp;<\/p>","protected":false},"excerpt":{"rendered":"<h3>Highlights<\/h3>\n<ul>\n<li data-start=\"1270\" data-end=\"1785\">Ultra-compact 0.42-inch OLED display module<\/li>\n<li data-start=\"1270\" data-end=\"1785\">Resolution: 70 \u00d7 40 pixels<\/li>\n<li data-start=\"1270\" data-end=\"1785\">High contrast for excellent visibility<\/li>\n<li data-start=\"1270\" data-end=\"1785\">OLED self-emitting technology without backlight<\/li>\n<li data-start=\"1270\" data-end=\"1785\">Extremely wide viewing angle (ALL View)<\/li>\n<li data-start=\"1270\" data-end=\"1785\">Low power consumption for battery devices<\/li>\n<li data-start=\"1270\" data-end=\"1785\">Single 3.3V power supply operation<\/li>\n<li data-start=\"1270\" data-end=\"1785\">Built-in SSD1306 controller IC<\/li>\n<li data-start=\"1270\" data-end=\"1785\">4-wire SPI communication interface<\/li>\n<li data-start=\"1270\" data-end=\"1785\">Fast response speed and stable performance<\/li>\n<li data-start=\"1270\" data-end=\"1785\">Compact design for embedded systems<\/li>\n<li data-start=\"1270\" data-end=\"1785\">Custom interface and solution support available<\/li>\n<\/ul>","protected":false},"featured_media":397,"template":"","meta":{"_gspb_post_css":""},"product_brand":[],"product_cat":[22],"product_tag":[],"class_list":["post-377","product","type-product","status-publish","has-post-thumbnail","product_cat-oled-display","first","instock","shipping-taxable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/qihantech.com\/pt\/wp-json\/wp\/v2\/product\/377","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/qihantech.com\/pt\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/qihantech.com\/pt\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/qihantech.com\/pt\/wp-json\/wp\/v2\/media\/397"}],"wp:attachment":[{"href":"https:\/\/qihantech.com\/pt\/wp-json\/wp\/v2\/media?parent=377"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/qihantech.com\/pt\/wp-json\/wp\/v2\/product_brand?post=377"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/qihantech.com\/pt\/wp-json\/wp\/v2\/product_cat?post=377"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/qihantech.com\/pt\/wp-json\/wp\/v2\/product_tag?post=377"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}