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Smart Electronics ESP32 WIFI BLE Single/Dual 4/8 channel Relay Module ESP32 Secondary Development Board

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Smart Electronics ESP32 WIFI BLE Single/Dual 4/8 channel Relay Module ESP32 Secondary Development Board

ESP32 WIFI BLE Single/Dual 4/8 channel Relay Module ESP32 Secondary Development Board
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Smart Electronics ESP32 WIFI BLE Single/Dual 4/8 channel Relay Module ESP32 Secondary Development Board
AC90-250V single channelDC5-60V single channel DC5-60V dual channel AC220V/DC5-30V four channels DC5-30V power supply with 8 channels AC220V dual power supplyDC5V power supply with 16 channels

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Smart Electronics JDY-23 BLE5.0 ble transparent data transmission CC2541 slave bluetooth module

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Smart Electronics ESP32-CAM WiFi WiFi Module ESP32 serial to WiFi ESP32 CAM Development Board 5V Bluetooth with Camera Module

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Smart Electronics LNA 50-4000 MHz RF SPF5189 NF 0.6dB Low Noise Amplifier Signal Receiver Board Wireless Communication Module With Shield Shell

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Smart Electronics JDY-34 SPP dual-mode Ble module SPP-C host printer Ble module

JDY-34 SPP dual-mode Ble module SPP-C host printer Ble module Model: JDY-34 Antenna type: PCB board mounted antenna Working frequency band: 2.4G Transmission power: 4dB (peak) Communication interface: UART Working voltage: 2.1V-3.6V Working temperature: -40 ° C-80 ° C Receiving sensitivity: -91dbm Transmission distance: 40 meters Module size: 27 * 12.88 * 1.8mm Bluetooth version: BLE4.2+SSP dual-mode (backward compatible with 4.2, 4.0, 3.0, 2.1, 2.0) Transmission rate: BLE14 K Bytes/s SPP 40K byte/s (Android or computer Bluetooth tested 40K byte/s speed) Command parameter saving: parameter configuration and power-off data are saved SIM welding temperature:<260 ℃ Working current: 15mA

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Dual coil fast wireless charger transmitter module PCBA board + 2 coil general qi standard diy board

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Other Customization: Customized packaging(Min. Order: 20 Pieces) Trade Assuranceprotects your Alibaba.com orders Payments: Online Transfer Aliba

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