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Feature: Internal with logic level conversion circuit. No need external 5V level to turn into a 3.3V level The power input port with anti-anti-circuit. To avoid accidental power plug reversed, leading to the module burned HM-10, HM-11 series Bluetooth module using TI CC2540 chip, configuration 256Kb space, support AT commands, you can change the role (master and slave mode) and the baud rate, the device name, Pairing password and other parameters, convenient and flexible.
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- Supports Multiple Baud rates (4800/9600/19200/38400).
- Works on ISM band (2.4 GHz) which is reserved internationally so no need to apply for license.
- No complex wireless connection software or intimate knowledge of RF is required to connect your serial devices.
- Designed to be as easy to use as cables.
- No external Antenna required.
- Plug and play device.
- Works on 5-9v DC supply.
- Standard UART Interface.
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Specification: Weight: 13g Dimension: 22.8×12.2×28.5mm Stall torque: 2.1kg/cm (4.8v) ; 2.4kg/cm (6.6V) Operating speed: 0.10sec/60degree (4.8V); 0.08sec/60degree (6.0V) Operating voltage: 4.8V~ 6.6V Gear Type: Metal gear Servo case: Middle with alloy case Bearing: Double ball bearing Temperature range: 0- 55℃ Dead band width: 1us servo wire length: 25cm servo arms &screws included
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ESP32 is already integrated with antenna and RF balun, power amplifier, low noise amplifiers, filters, and the power management module. The entire solution is the least amount of PCB area. this board is 2.4 GHz dual mode WiFi and bluetooth chips by tsmc 40nm low power technology, power and optimized RF characteristics, which is safe, reliable, and scalable to a wide range of applications.