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Dual Modbus-Rtu 2-way Relay Module Switch Input and Output RS485/TTL Communication Controller

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Get Dual Modbus-Rtu 2-way Relay Module Switch Input and Output RS485/TTL Communication Controller Description:   LC 2 channel Modbus relay module equipped with mature and stable 8-bit MCU and RS485 level communication chip, adopt standard MODBUS RTU format RS485 communication protocol. It can realize 2bit input signal detection and 2-bit relay output. It can be used for digital detection or power control occasions.   Features:   1. Support Modbus RTU protocol 2. Support RS485/TTL UART interface 3. Output indicator in multi-mode 4. The address can be set 5. Support input reverse connection protection 6. Relay switch output 7. Support parameter memory function   Parameters:   1. Item name: Dual Modbus Relay Module  2. Work voltage: DC 7V~24V 3. Baud rate: 4800/9600/19600bps(default 9600bps) 4. Optocoupler input signal: DC 3.3V~30V 5. Set address: 1~255 6. Relay control mode: ON/OFF, Delay_ON, Delay_OFF mode 7. Delay time: 0~6553.5s  8. Load: AC 250V 10A or DC 28V 10A 9. Protocol: Mo...
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555 Trigger Circuit Student Soldering Practice Board Electronic Production DIY Kit

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Get 555 Trigger Circuit Student Soldering Practice Board Electronic Production DIY Kit Description: Dimensions: 57*40mm Supply voltage: 5V Name Parameter PCB mark Quantity Resistor 1K R1 R3 R5 R6 R9 5 100K R2 R4 2 10K R7 R8 2 Diode 1N4007 VD1-VD4 4 Electrolytic capacitor 220uF C1 1 100uF C2 1 47uF C3 1 LED 3mm red LED1-LED3 3 Tact switch 6*6 S1 1 Adjustable resistor 200K W1, W2 1 IC LM7812 IC1 1 NE555 IC2, IC3 2 Ceramic capacitor 103 C4-C8 4 PCB     1 Package included: 1 x 555 Trigger Circuit DIY kit 555 Trigger Circuit Student Soldering Practice Board Electronic Production DIY Kit See detail
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AMG8833 MLX90640 IR Infrared Thermal Imager Array Temperature Measurement IR Thermal Imaging 2.4 Inch 24x32 Resolution Display Module

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Get AMG8833 MLX90640 IR Infrared Thermal Imager Array Temperature Measurement IR Thermal Imaging 2.4 Inch 24x32 Resolution Display Module Overview: 1. Use MLX90640BAB infrared thermal imaging sensor 2. Resolution: 24x32 3. Temperature measurement range: -40 ° C ~ 300 ° C 4. Measurement accuracy: +/- 2 ° C (center area, 0 ~ 100 ° C) 5. Working temperature: 0-50 ° C 6. Refresh rate: 8HZ 7. No calibration required 8. Viewing angle: 35 ° x55 ° 9. Emissivity: 0.1 ~ 0.95 adjustable 10. Display center point, maximum and minimum temperature 11. Built-in 1000mah rechargeable battery (full charge takes about 6 hours, full charge in about 2 hours) (not included) 12. Screen size: 2.4inch (display resolution: 240x320) 13. Product size (length, width and thickness): 50x154x 20mm 14. Power socket: Micro USB    Instructions: 1. Charging: use Micro USB cable, 5V / 1A power supply 2. Power on / off: long press the small button next to the power socket 3. Setting: Press the middle button to enter the scr...
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