Difference between revisions of "ESP Relay Board Hardware"

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(Pin Definition)
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! ESP8266 -> !! IO12 !! IO13 !! IO16 !! IO14 !! IO4 || IO5 !! IO0 !! IO2 !! IO15
 
! ESP8266 -> !! IO12 !! IO13 !! IO16 !! IO14 !! IO4 || IO5 !! IO0 !! IO2 !! IO15
 
|-
 
|-
| Board Function || Relay 1 || Relay 2 || Status LED || DHT22 || Lead out pins, default for IIC || button BTN2 || button BTN1 || Lead out pins
+
| Board Function || Relay 1 || Relay 2 || Status LED || DHT22 || Lead out and pull-up pins (for IIC) || Lead out and pull-up pins (for IIC) || button BTN2 || button BTN1 || Lead out pins
 
|-
 
|-
 
| Description || relay 10A load max. || relay 10A load max. || - || pull-up 10K resistor || Pull-up resistors 4.7K (cuttable) || Pull-up resistors 4.7K (cuttable) || for entering into flash mode || customize programming || Lead out GPIO
 
| Description || relay 10A load max. || relay 10A load max. || - || pull-up 10K resistor || Pull-up resistors 4.7K (cuttable) || Pull-up resistors 4.7K (cuttable) || for entering into flash mode || customize programming || Lead out GPIO
 
|}
 
|}
 +
 
== Schematics ==
 
== Schematics ==
 
<gallery>
 
<gallery>

Revision as of 17:09, 6 August 2017

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ESP DC Relay Board

  • Board configuration
  • Setup for VDC relay board.
Setup Terminal Input Relay Output Power On Board ESP Power
None 5-28V Vin Terminal Terminal
Jumper set to 5V 5V Vin Terminal Terminal
remove 2 x 0R resistors AC 250VAC or DC 30VDC max Terminal Pin Alternative Vin

Pin Definition

Pin Definition and Extension

ESP8266 -> IO12 IO13 IO16 IO14 IO4 IO5 IO0 IO2 IO15
Board Function Relay 1 Relay 2 Status LED DHT22 Lead out and pull-up pins (for IIC) Lead out and pull-up pins (for IIC) button BTN2 button BTN1 Lead out pins
Description relay 10A load max. relay 10A load max. - pull-up 10K resistor Pull-up resistors 4.7K (cuttable) Pull-up resistors 4.7K (cuttable) for entering into flash mode customize programming Lead out GPIO

Schematics