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2Pcs NRF24L01+PA+LNA RF Wireless Transceiver Module with SMA Antenna 24g 1100m & Wireless Module with Breakout Adapter On-Board 33V Regulatorstrong>Description:strong>The wireless transceiver module can set up your wireless communication system You can add it with your own McUARMPIcAVRSTM32 system, this module also come with power amplifier and SMA..

2Pack TTL to RS485 Adapter Module, 485 to TTL 33V50V Signals Serial Port Power Supply converter with Indicator Lightsstrong>Features:strong>1 Wide voltage power supply (30V 30V), the limit voltage of 33V, it is recommended to use within 30V, the minimum voltage is higher than 28V2 Has a very high EMc and EMI performance3 compatible with 33V and 50..

15Pcs 5V 1A TP4056 Charging Module Micro USB 18650 Lithium Battery Charger Board with ProtectionSpecifications:Input voltage: 5Vcharging cut-off voltage: 42V A 1%Battery over-discharge protection voltage: 25VBattery overcurrent protection current: 3AMax output current: 1Acharge precision: 15%Power Indicator: Red for charging, green for fully charge..

PAC 2 Channel Adjustable High Power Line Output ConverterpPAC 2 Channel Adjustable High Power Line Output Converterpp50 watts max power handlingbr Linear 20 to 20,000Hz output based on input signalbr Transformer isolated for optimal sound and performancebr Maintains correct phasingbr Works with most factory installed radiosbr Detachable wiring harn..