3Pcs KEYES HM-10 6-Pin Transparent BLE bluetooth V4.0 Serial Port Module With Logic Level Translator

Description 1 Internal with logic level conversion circuit No external 5V level to turn into a 3 3V level2 Power input with anti anti circuit Avoid accidental power plug reversed leading to the burning question IOS For IPHONE 4s 5 5s or later 1 IOS search for bluetooth not in the set Searching for and pairing bluetooth bluetooth inside You can only connect a bluetooth headset within IOS settings Unable to find a wireless data device 2 IOS in search LightBlue software app store inside and then open LightBlue software before you can search to HM 10 and the pairing and test sending and receiving Android phone 1 Make sure the Android mobile phone hardware bluetooth module supports bluetooth 4 0 Phone hardware module does not support it the software to do the right Rom 2 The system upgrade to 4 3 or later3 HMBLEComAssistant rarData package available for testing transceiversNote 1 In the absence of paired and connected remote devices LED flash slowly then you can use AT command module configurations 2 HM 10 module can only recognize AT commands all uppercase lowercase and mixed case does not support the wording 3 The factory default baud rate is 9600 8n1Package included 3 x KEYES HM 10 6 Pin Transparent BLE bluetooth V4 0 Serial Port Module With Logic Level Translator