{"id":140071,"date":"2025-11-29T14:26:21","date_gmt":"2025-11-29T11:26:21","guid":{"rendered":"https:\/\/samama.qa\/product\/keyestudio-hc-05-hc-06-bc417-chip-master-slave-rf-wireless-transceiver-bluetooth-module-for-arduino-diy-electronic-projects\/"},"modified":"2026-06-23T19:34:54","modified_gmt":"2026-06-23T16:34:54","slug":"keyestudio-hc-05-hc-06-bc417-chip-master-slave-rf-wireless-transceiver-bluetooth-module-for-arduino-diy-electronic-projects","status":"publish","type":"product","link":"https:\/\/samama.qa\/en\/product\/keyestudio-hc-05-hc-06-bc417-chip-master-slave-rf-wireless-transceiver-bluetooth-module-for-arduino-diy-electronic-projects\/","title":{"rendered":"Keyestudio HC-05 HC-06 BC417 Chip Master-Slave RF Wireless Transceiver Bluetooth Module For Arduino DIY Electronic Projects"},"content":{"rendered":"<div class=\"product-specs-list-container\">\n<ul class=\"product-specs-list util-clearfix\">\n<li class=\"product-prop line-limit-length\"><span class=\"property-title\">Package:&nbsp;<\/span><span class=\"property-desc line-limit-length\">SMD<\/span>\n                            <\/li>\n<li class=\"product-prop line-limit-length\"><span class=\"property-title\">is_customized:&nbsp;<\/span><span class=\"property-desc line-limit-length\">Yes<\/span>\n                            <\/li>\n<li class=\"product-prop line-limit-length\"><span class=\"property-title\">Model Number:&nbsp;<\/span><span class=\"property-desc line-limit-length\">HC-05 HC-06<\/span>\n                            <\/li>\n<li class=\"product-prop line-limit-length\"><span class=\"property-title\">Supply Voltage:&nbsp;<\/span><span class=\"property-desc line-limit-length\">5V<\/span>\n                            <\/li>\n<li class=\"product-prop line-limit-length\"><span class=\"property-title\">Application:&nbsp;<\/span><span class=\"property-desc line-limit-length\">Bluetooth<\/span>\n                            <\/li>\n<li class=\"product-prop line-limit-length\"><span class=\"property-title\">Type:&nbsp;<\/span><span class=\"property-desc line-limit-length\">Logic ICs<\/span>\n                            <\/li>\n<li class=\"product-prop line-limit-length\"><span class=\"property-title\">Brand Name:&nbsp;<\/span><span class=\"property-desc line-limit-length\">keyestudio<\/span>\n                            <\/li>\n<li class=\"product-prop line-limit-length\"><span class=\"property-title\">Origin:&nbsp;<\/span><span class=\"property-desc line-limit-length\">Mainland China<\/span>\n                            <\/li>\n<li class=\"product-prop line-limit-length\"><span class=\"property-title\">Condition:&nbsp;<\/span><span class=\"property-desc line-limit-length\">New<\/span>\n                            <\/li>\n<li class=\"product-prop line-limit-length\"><span class=\"property-title\">Operating Temperature:&nbsp;<\/span><span class=\"property-desc line-limit-length\">-20 to 55\u2103<\/span>\n                            <\/li>\n<li class=\"product-prop line-limit-length\"><span class=\"property-title\">Chip:&nbsp;<\/span><span class=\"property-desc line-limit-length\">Origianl BC417<\/span>\n                            <\/li>\n<li class=\"product-prop line-limit-length\"><span class=\"property-title\">Product number:&nbsp;<\/span><span class=\"property-desc line-limit-length\">KS0097\/KS0055<\/span>\n                            <\/li>\n<\/ul><\/div>\n<p align=\"start\"><span><strong>Warm\u00a0 Prompt :<\/strong><\/span><\/p>\n<p align=\"start\"><span><strong>We promise to use brand new original chips for the Bluetooth module. There are many low-cost counterfeit and high imitation on the market. There is no problem in the first use, but long-term use will cause problems such as unstable performance, which will eventually lead to unusable.<\/strong><\/span><\/p>\n<p><\/p>\n<p><span>HC-06 :<\/span><\/p>\n<p><\/p>\n<ul style=\"font-family:sans-serif;font-size:14px;font-weight:400;letter-spacing:normal;text-align:start;margin:0.3em 0px 0px 1.6em;margin-bottom:0px;margin-top:0.3em;margin-left:1.6em;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px\">\n<li style=\"margin-bottom:0.1em\">\n<p><span>Bluetooth protocol: Bluetooth 2.1+ EDR standard<\/span><\/p>\n<\/li>\n<li style=\"margin-bottom:0.1em\">\n<p><span>USB protocol: USB v1.1\/2.0<\/span><\/p>\n<\/li>\n<li style=\"margin-bottom:0.1em\">\n<p><span>Operating frequency: 2.4GHz ISM frequency band<\/span><\/p>\n<\/li>\n<li style=\"margin-bottom:0.1em\">\n<p><span>Modulation mode: Gauss frequency Shift Keying<\/span><\/p>\n<\/li>\n<li style=\"margin-bottom:0.1em\">\n<p><span>Transmit power: \u2264 4dBm, second stage<\/span><\/p>\n<\/li>\n<li style=\"margin-bottom:0.1em\">\n<p><span>Sensitivity: \u2264-84dBm at 0.1% Bit Error Rate<\/span><\/p>\n<\/li>\n<li style=\"margin-bottom:0.1em\">\n<p><span>Transmission speed: 2.1Mbps(Max)\/160 kbps (Asynchronous)\uff1b 1Mbps\/1Mbps (Synchronous)<\/span><\/p>\n<\/li>\n<li style=\"margin-bottom:0.1em\">\n<p><span>Safety feature: Authentication and encryption<\/span><\/p>\n<\/li>\n<li style=\"margin-bottom:0.1em\">\n<p><span>Supported configuration: Bluetooth serial port (major and minor)<\/span><\/p>\n<\/li>\n<li style=\"margin-bottom:0.1em\">\n<p><span>Supply Voltage: 5 V DC 50mA<\/span><\/p>\n<\/li>\n<li style=\"margin-bottom:0.1em\">\n<p><span>Operating temperature: -20 to 55\u2103<\/span><\/p>\n<\/li>\n<\/ul>\n<p><img decoding=\"async\" src=\"https:\/\/samama.qa\/wp-content\/uploads\/2025\/11\/kf-He1382687ec2c471e80b82d80d8fa2f47o.webp\" \/><img decoding=\"async\" src=\"https:\/\/samama.qa\/wp-content\/uploads\/2025\/11\/kf-H38fd731e16d442ccbc1b1c87b89bfb27t.webp\" \/><img decoding=\"async\" src=\"https:\/\/samama.qa\/wp-content\/uploads\/2025\/11\/kf-H55ce5436d8284837abfd083020baf0b6b.webp\" \/><img decoding=\"async\" src=\"https:\/\/samama.qa\/wp-content\/uploads\/2025\/11\/kf-H311fae05e1d34671b493b2dd4e69184aI.webp\" \/><img decoding=\"async\" src=\"https:\/\/samama.qa\/wp-content\/uploads\/2025\/11\/kf-H6cc41b24fc364f23aa54b216483b1fceC.webp\" \/><span>HC-05 :<\/span><\/p>\n<p><\/p>\n<ul style=\"font-family:sans-serif;font-size:14px;font-weight:400;letter-spacing:normal;text-align:start;margin:0.3em 0px 0px 1.6em;margin-bottom:0px;margin-top:0.3em;margin-left:1.6em;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px\">\n<li style=\"margin-bottom:0.1em\">\n<p><span>1. core module uses HC-05 slave module, pins include VCC, GND, TXD, RXD, KEY, Bluetooth state pin (STATE), output low if not connected, high if connected<\/span><\/p>\n<\/li>\n<li style=\"margin-bottom:0.1em\">\n<p><span>2. LED indicates the connection status of Bluetooth, quick flash means no connectivity, slow flash means entering AT mode, double flash means Bluetooth is connected and the port is open.<\/span><\/p>\n<\/li>\n<li style=\"margin-bottom:0.1em\">\n<p><span>3. BOttom plate has anti-reverse diode,with 3.3V LDO. input volt is 3.6~6V; current about 30mA with no pairing, current about 10mA after pairing. Input volt should be within 7V!<\/span><\/p>\n<\/li>\n<li style=\"margin-bottom:0.1em\">\n<p><span>4. Pin level is 3.3V. It can be directly connected with various MCUs (51, AVR, PIC, ARM, MSP43 etc.) , also 5V MCUs, no need for MAX232 and cannot be connected with MAX232!<\/span><\/p>\n<\/li>\n<li style=\"margin-bottom:0.1em\">\n<p><span>5. In open area, effective range is 10m (power level is CLASS 2). It\u2019s possible to be more than 10m. But the connecting quality cannot be guaranteed.<\/span><\/p>\n<\/li>\n<li style=\"margin-bottom:0.1em\">\n<p><span>6. After paring , it can be used as full duplex serial port. No need for knowing any Bluetooth protocol. It supports 8-bit data bits, 1 stop bit; can set odd-even check communication format, which is the most common communication format; do not support other formats.<\/span><\/p>\n<\/li>\n<li style=\"margin-bottom:0.1em\">\n<p><span>7. Can access AT command to set parameters, and query information by pulling high pin 34.<\/span><\/p>\n<\/li>\n<li style=\"margin-bottom:0.1em\">\n<p><span>8. Small size (3.57cm*1.52cm), SMD production, ensure quality; with transparent heat shrinkable film for dustproof and anti-static function.<\/span><\/p>\n<\/li>\n<li style=\"margin-bottom:0.1em\">\n<p><span>9. Use AT-command to switch from master or slave mode, and to connect to specific devices.<\/span><\/p>\n<\/li>\n<li style=\"margin-bottom:0.1em\">\n<p><span>10. Support standard baud rate of 4800bps~1382400bps.<\/span><\/p>\n<\/li>\n<\/ul>\n<p><img decoding=\"async\" src=\"https:\/\/samama.qa\/wp-content\/uploads\/2025\/11\/kf-H1a0dedc0f99a4201b9384b4c7a0a621dp.webp\" \/><img decoding=\"async\" src=\"https:\/\/samama.qa\/wp-content\/uploads\/2025\/11\/kf-Hd58763064ada4bccbba2ca067eb285baR.webp\" \/><img decoding=\"async\" src=\"https:\/\/samama.qa\/wp-content\/uploads\/2025\/11\/kf-Hbd8d4c6352694be7ad26839a3b6fd8bfS.webp\" \/><img decoding=\"async\" src=\"https:\/\/samama.qa\/wp-content\/uploads\/2025\/11\/kf-Hc093f20911ba4d7eaee23afc79d5824bs.webp\" \/><img decoding=\"async\" src=\"https:\/\/samama.qa\/wp-content\/uploads\/2025\/11\/kf-H329f4476ddb44f5a8009b0ff8a1a82419.webp\" \/><img decoding=\"async\" src=\"https:\/\/samama.qa\/wp-content\/uploads\/2025\/11\/kf-H610036a6db1c4827b825e17d5fd6159bo.webp\" \/><\/p>","protected":false},"excerpt":{"rendered":"<p>Package:&nbsp;SMD is_customized:&nbsp;Yes Model Number:&nbsp;HC-05 HC-06 Supply Voltage:&nbsp;5V Application:&nbsp;Bluetooth Type:&nbsp;Logic ICs Brand Name:&nbsp;keyestudio Origin:&nbsp;Mainland China Condition:&nbsp;New Operating Temperature:&nbsp;-20 to 55\u2103 Chip:&nbsp;Origianl [&hellip;]<\/p>\n","protected":false},"featured_media":140072,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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