ES33B08 300MA OUT Multifunction ESP32 Expansion Board Wifi Digital Analog IO Module for Arduino WEB MQTT Ethernet Network DIY

ES33B08 300MA OUT Multifunction ESP32 Expansion Board Wifi Digital Analog IO Module for Arduino WEB MQTT Ethernet Network DIY

  • Model: ES33B08
  • Availability: In stock
  • Weight: 0.95Kg
US$25.99
  • Description
  • Datasheet Document Download
  • Guidance videos
  • Reviews
  • Shipping & Returns

Product Features:

1 Working voltage: DC 12V-24V
 
Working Current : Standby current (Digital tube OFF) 15MA, Standby current 50MA (Digital tube ON), 1 relay open 76MA, 2 relays open 107MA, ... 8 relays open 292MA
 
On-board resources: 1x RS485 Interface 8x opto-isolated inputs (low level trigger, NPN type), 4x 0/4-20MA Current Input,4x 0-5V/10V Voltage Input,4x buttons, 1x 4 bit digital tube display, 1x ESP32 slots, 8x relay outputs

ES32A08(Relay Module):
Size 180*72*20mm(Only Board)
Weight : 189g(Only Board), 317g(with shell)

ES33B08(Darlington tube Module):
Size 123*72*20mm(Only Board)
Weight : 93g(Only Board), 184g(with shell)


Please contact me for more information!

Purchase Notes:
 

1 ES32A08/ES33B08 can not work independently, must be under the control of the 38PIN ESP32 board to work,If you do not have a 38PIN ESP32 board, purchase it separately or purchase a kit with 38PIN ESP32
 
2 This is an expansion board based on 38PIN ESP32. We only provide three vscode codes for testing the hardware. More codes and functions need to be developed by yourself.
 
3 If you need more functionality, write your own code. We do not provide additional code and technical support
 
4 The acquisition accuracy of analog quantities is determined by the ESP32 board. It is recommended to collect multiple times to obtain the average value.



Application examples:
As long as you write ESP32 code,You can use it to achieve a variety of delay timer function,such as:
WIFI remote control switch
WIFI Current and voltage collection
home automation/Smart home DIY
RS485 Master-Slave Device(PLC MCU),
4x 0/4-20MA Current Collection,
4x 0-5V/10V Voltage Collection,
Motor forward and reverse,
Timing ON/OFF
Power-up Delay,
Trigger delay,
Infinite loop delay,
A finite number of cyclic delays,
Power sequencer,
And so on.
 


Application 1: Through the programming of 38Pin ESP32, various delay customization functions can be realized instead of PLC.












Application 2: It can be used as an RS485 master device instead of PLC/PC/touch screen to control various RS485 slave devices.

 





 



 



 









 

 

 

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* Delivery Time.
We need 1-2 days to process your order before shipping.There are two shipping methoed. Fast Delivery: The delivery time for US, European countries the delivery will take 3-5 days.Slow Delivery: The delivery time for US, European countries the delivery will take 10-15 days.
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* Lost Package Policy.
If a package did not arrive in 4 weeks after the shipping date, then this package is treated as Lost. In this case a new package will be shipped to the customer provided we are able to give the same items as those purchased by the customer. If we are not able to provide the same items to substitute the lost ones we will either propose to the customer similar items or refund their cost as it will be mutually agree with the customer. If one or more items neither the same nor similar are available to be shipped, the customer can request to cancel the order entirely, thus the total cost of the order including shipping and handling cost will be fully refunded.

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