diff --git a/schematic/KiCad/ESP8266_dual_NRF24l01_gateway.sch b/schematic/KiCad/ESP8266_dual_NRF24l01_gateway.sch
index 3c4eb56..1ee8014 100644
--- a/schematic/KiCad/ESP8266_dual_NRF24l01_gateway.sch
+++ b/schematic/KiCad/ESP8266_dual_NRF24l01_gateway.sch
@@ -16,78 +16,720 @@ $EndDescr
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-F 3 "http://wiki.ai-thinker.com/_media/esp8266/esp8266_series_modules_user_manual_v1.1.pdf" H 4650 3700 50  0001 C CNN
-	1    5000 3600
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 	1    0    0    -1  
 $EndComp
 $Comp
 L Regulator_Linear:AMS1117-3.3 U?
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-F 3 "http://www.advanced-monolithic.com/pdf/ds1117.pdf" H 5550 1550 50  0001 C CNN
-	1    5450 1800
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 	1    0    0    -1  
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+NoConn ~ 1700 6300
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+Text GLabel 1700 6000 0    50   Input ~ 0
+ESP_GPIO_1_TXD
+Text GLabel 7750 5100 2    50   Input ~ 0
+ESP_GPIO_4_SDA
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+ESP_GPIO_3_RXD
+Text GLabel 2300 4200 0    50   Input ~ 0
+ESP_GPIO_10
+Wire Wire Line
+	2300 4200 2450 4200
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+ESP_GPIO_5_SCL
+$Comp
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+	1    6200 4400
+	1    0    0    -1  
+$EndComp
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+F 3 "~" H 6050 2850 50  0001 C CNN
+	1    6050 2850
+	0    1    1    0   
+$EndComp
+Wire Wire Line
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+F 3 "" H 5650 2850 50  0001 C CNN
+	1    5650 2850
+	1    0    0    -1  
+$EndComp
+$Comp
+L power:+3.3V #PWR?
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+$EndComp
+Wire Wire Line
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+Connection ~ 6200 2850
+Wire Wire Line
+	5650 2850 5900 2850
+Connection ~ 3850 3300
+Wire Wire Line
+	5600 3300 5700 3300
+Wire Wire Line
+	3950 2250 3850 2250
+Text GLabel 3950 2250 2    50   Input ~ 0
+ESP_GPIO_2
+Text GLabel 5600 3300 0    50   Input ~ 0
+ESP_GPIO_2
+Wire Wire Line
+	4450 3300 4450 3400
+Wire Wire Line
+	4450 3400 5700 3400
+Wire Wire Line
+	3850 3300 4450 3300
+Wire Wire Line
+	4900 4900 5350 4900
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+Wire Wire Line
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+Wire Wire Line
+	6800 2100 6900 2100
+Wire Wire Line
+	6700 3400 8900 3400
+Wire Wire Line
+	8900 3400 8900 2100
+Wire Wire Line
+	8900 2100 9150 2100
 $EndSCHEMATC
diff --git a/schematic/KiCad/ESP8266_dual_NRF24l01_gateway.sch-bak b/schematic/KiCad/ESP8266_dual_NRF24l01_gateway.sch-bak
index fff8c68..c00127d 100644
--- a/schematic/KiCad/ESP8266_dual_NRF24l01_gateway.sch-bak
+++ b/schematic/KiCad/ESP8266_dual_NRF24l01_gateway.sch-bak
@@ -1,4 +1,723 @@
-EESchema Schematic File Version 2
-EELAYER 25 0
+EESchema Schematic File Version 4
+EELAYER 30 0
 EELAYER END
+$Descr A4 11693 8268
+encoding utf-8
+Sheet 1 1
+Title "ESP8266_dual_NRF24l01_gateway"
+Date "2020-12-29"
+Rev "1.0"
+Comp "www.web-directories.tk"
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+Comment2 ""
+Comment3 ""
+Comment4 ""
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+F 3 "http://wiki.ai-thinker.com/_media/esp8266/esp8266_series_modules_user_manual_v1.1.pdf" H 2700 4000 50  0001 C CNN
+	1    3050 3900
+	1    0    0    -1  
+$EndComp
+$Comp
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+F 2 "Package_TO_SOT_SMD:SOT-223-3_TabPin2" H 4000 1500 50  0001 C CNN
+F 3 "http://www.advanced-monolithic.com/pdf/ds1117.pdf" H 4100 1050 50  0001 C CNN
+	1    4000 1300
+	1    0    0    -1  
+$EndComp
+$Comp
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+	1    3200 1450
+	1    0    0    -1  
+$EndComp
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+F 3 "~" H 4750 1450 50  0001 C CNN
+	1    4750 1450
+	1    0    0    -1  
+$EndComp
+$Comp
+L RF:NRF24L01_Breakout U?
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+F 0 "U?" H 7780 1846 50  0000 L CNN
+F 1 "NRF24L01_Breakout" H 7780 1755 50  0000 L CNN
+F 2 "RF_Module:nRF24L01_Breakout" H 7550 2400 50  0001 L CIN
+F 3 "http://www.nordicsemi.com/eng/content/download/2730/34105/file/nRF24L01_Product_Specification_v2_0.pdf" H 7400 1700 50  0001 C CNN
+	1    7400 1800
+	1    0    0    -1  
+$EndComp
+$Comp
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+F 0 "U?" H 10030 1846 50  0000 L CNN
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+F 2 "RF_Module:nRF24L01_Breakout" H 9800 2400 50  0001 L CIN
+F 3 "http://www.nordicsemi.com/eng/content/download/2730/34105/file/nRF24L01_Product_Specification_v2_0.pdf" H 9650 1700 50  0001 C CNN
+	1    9650 1800
+	1    0    0    -1  
+$EndComp
+$Comp
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+F 3 "~" H 1650 1550 50  0001 C CNN
+	1    1500 1600
+	1    0    0    -1  
+$EndComp
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+F 3 "~" H 2450 1400 50  0001 C CNN
+	1    2450 1400
+	1    0    0    -1  
+$EndComp
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+Wire Wire Line
+	4300 1300 4750 1300
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+	1    1450 2200
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+	1    4000 1700
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
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+	1    3050 5150
+	1    0    0    -1  
+$EndComp
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+	1    5050 1300
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+F 3 "" H 2700 2950 50  0001 C CNN
+	1    2700 2950
+	1    0    0    -1  
+$EndComp
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+Wire Wire Line
+	2700 2850 2700 2950
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+F 3 "~" H 2300 5100 50  0001 C CNN
+	1    2300 4900
+	1    0    0    -1  
+$EndComp
+$Comp
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+	1    5550 4900
+	1    0    0    -1  
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+NoConn ~ 2450 4100
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+NoConn ~ 2450 3700
+$Comp
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+F 3 "" H 3050 2600 50  0001 C CNN
+	1    3050 2600
+	1    0    0    -1  
+$EndComp
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+Connection ~ 3050 2850
+$Comp
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+	1    2100 3150
+	1    0    0    -1  
+$EndComp
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+Connection ~ 2100 3300
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+	1    1800 4900
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+Text GLabel 1450 4900 1    50   Input ~ 0
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+Wire Wire Line
+	1450 4900 1650 4900
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+	1    1350 3150
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
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+Wire Wire Line
+	1350 3500 2450 3500
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+Wire Wire Line
+	1350 2650 2100 2650
+Connection ~ 2100 2650
+$Comp
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+F 2 "" V 3780 3150 50  0001 C CNN
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+	1    3850 3150
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	3850 3000 3850 2650
+Wire Wire Line
+	3850 2650 3050 2650
+Wire Wire Line
+	3850 3300 3650 3300
+$Comp
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+U 1 1 5FEF5122
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+F 0 "R?" H 6120 4946 50  0000 L CNN
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+F 2 "" V 5980 4900 50  0001 C CNN
+F 3 "~" H 6050 4900 50  0001 C CNN
+	1    6050 4900
+	0    1    1    0   
+$EndComp
+Wire Wire Line
+	5750 4900 5900 4900
+Text GLabel 6300 4900 2    50   Input ~ 0
+ESP_GPIO_0
+Wire Wire Line
+	6200 4900 6300 4900
+$Comp
+L Device:R R?
+U 1 1 5FF007C7
+P 4900 4550
+F 0 "R?" H 4970 4596 50  0000 L CNN
+F 1 "10k" H 4970 4505 50  0000 L CNN
+F 2 "" V 4830 4550 50  0001 C CNN
+F 3 "~" H 4900 4550 50  0001 C CNN
+	1    4900 4550
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	4900 4700 4900 4900
+Connection ~ 4900 4900
+Wire Wire Line
+	4900 4900 5350 4900
+Wire Wire Line
+	4900 4400 4900 4300
+Text GLabel 4800 4300 0    50   Input ~ 0
+ESP_GPIO_15
+Wire Wire Line
+	4800 4300 4900 4300
+Connection ~ 4900 4300
+Wire Wire Line
+	4900 4300 4900 4200
+Text GLabel 3650 4300 2    50   Input ~ 0
+ESP_GPIO_16
+Wire Wire Line
+	3050 4900 4900 4900
+Wire Wire Line
+	3650 4200 4900 4200
+Text GLabel 3650 3500 2    50   Input ~ 0
+ESP_GPIO_2
+Connection ~ 3850 2650
+Wire Wire Line
+	3850 2250 3850 2350
+$Comp
+L Device:R R?
+U 1 1 5FF084F1
+P 3850 2500
+F 0 "R?" H 3700 2450 50  0000 L CNN
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+F 2 "" V 3780 2500 50  0001 C CNN
+F 3 "~" H 3850 2500 50  0001 C CNN
+	1    3850 2500
+	-1   0    0    1   
+$EndComp
+Text GLabel 3650 3600 2    50   Input ~ 0
+ESP_GPIO_3_RXD
+Text GLabel 3650 3400 2    50   Input ~ 0
+ESP_GPIO_1_TXD
+Text GLabel 3650 3700 2    50   Input ~ 0
+ESP_GPIO_4_SDA
+Text GLabel 3650 3800 2    50   Input ~ 0
+ESP_GPIO_5_SCL
+Text GLabel 3650 3900 2    50   Input ~ 0
+ESP_GPIO_12_MISO
+Text GLabel 3650 4000 2    50   Input ~ 0
+ESP_GPIO_13_MOSI
+Text GLabel 3650 4100 2    50   Input ~ 0
+ESP_GPIO_14_CLK
+$Comp
+L Device:C C?
+U 1 1 5FF2123F
+P 7250 1050
+F 0 "C?" H 7365 1096 50  0000 L CNN
+F 1 "1µF" H 7365 1005 50  0000 L CNN
+F 2 "" H 7288 900 50  0001 C CNN
+F 3 "~" H 7250 1050 50  0001 C CNN
+	1    7250 1050
+	0    1    1    0   
+$EndComp
+$Comp
+L Device:C C?
+U 1 1 5FF2254F
+P 9500 1050
+F 0 "C?" H 9615 1096 50  0000 L CNN
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+F 2 "" H 9538 900 50  0001 C CNN
+F 3 "~" H 9500 1050 50  0001 C CNN
+	1    9500 1050
+	0    1    1    0   
+$EndComp
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+Wire Wire Line
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+	1    7400 2400
+	1    0    0    -1  
+$EndComp
+$Comp
+L power:GND #PWR?
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+F 0 "#PWR?" H 9650 2150 50  0001 C CNN
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+F 2 "" H 9650 2400 50  0001 C CNN
+F 3 "" H 9650 2400 50  0001 C CNN
+	1    9650 2400
+	1    0    0    -1  
+$EndComp
+$Comp
+L power:GND #PWR?
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+F 2 "" H 9250 1100 50  0001 C CNN
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+	1    9250 1100
+	1    0    0    -1  
+$EndComp
+$Comp
+L power:GND #PWR?
+U 1 1 5FF2D309
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+F 0 "#PWR?" H 7000 850 50  0001 C CNN
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+F 2 "" H 7000 1100 50  0001 C CNN
+F 3 "" H 7000 1100 50  0001 C CNN
+	1    7000 1100
+	1    0    0    -1  
+$EndComp
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+	9350 1050 9250 1050
+Wire Wire Line
+	9250 1050 9250 1100
+Wire Wire Line
+	7100 1050 7000 1050
+Wire Wire Line
+	7000 1050 7000 1100
+$Comp
+L power:+3.3V #PWR?
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+P 7400 900
+F 0 "#PWR?" H 7400 750 50  0001 C CNN
+F 1 "+3.3V" H 7415 1073 50  0000 C CNN
+F 2 "" H 7400 900 50  0001 C CNN
+F 3 "" H 7400 900 50  0001 C CNN
+	1    7400 900 
+	1    0    0    -1  
+$EndComp
+$Comp
+L power:+3.3V #PWR?
+U 1 1 5FF3348C
+P 9650 1000
+F 0 "#PWR?" H 9650 850 50  0001 C CNN
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+F 2 "" H 9650 1000 50  0001 C CNN
+F 3 "" H 9650 1000 50  0001 C CNN
+	1    9650 1000
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
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+Connection ~ 9650 1050
+Wire Wire Line
+	7400 900  7400 1050
+Connection ~ 7400 1050
+Text GLabel 9000 1600 0    50   Input ~ 0
+ESP_GPIO_12_MISO
+Text GLabel 6750 1600 0    50   Input ~ 0
+ESP_GPIO_12_MISO
+Wire Wire Line
+	6750 1600 6900 1600
+Wire Wire Line
+	9000 1600 9150 1600
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+Text GLabel 6750 1500 0    50   Input ~ 0
+ESP_GPIO_13_MOSI
+Wire Wire Line
+	6750 1500 6900 1500
+Text GLabel 9000 1700 0    50   Input ~ 0
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+Wire Wire Line
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+Text GLabel 6750 1700 0    50   Input ~ 0
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+	6750 1700 6900 1700
+Wire Wire Line
+	6750 1800 6900 1800
+Wire Wire Line
+	9000 1800 9150 1800
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+ESP_GPIO_16
+Wire Wire Line
+	6750 2000 6900 2000
+Text GLabel 9000 2000 0    50   Input ~ 0
+ESP_GPIO_15
+Wire Wire Line
+	9000 2000 9150 2000
+$Comp
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+F 0 "U?" H 6400 4500 50  0000 C CNN
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+F 2 "" H 6200 3700 50  0001 C CNN
+F 3 "http://www.nxp.com/documents/data_sheet/PCF8574_PCF8574A.pdf" H 6200 3700 50  0001 C CNN
+	1    6200 3700
+	1    0    0    -1  
+$EndComp
+$Comp
+L Device:LED_RGBC D?
+U 1 1 5FF4E403
+P 9650 5700
+F 0 "D?" H 9650 6197 50  0000 C CNN
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+F 2 "" H 9650 5650 50  0001 C CNN
+F 3 "~" H 9650 5650 50  0001 C CNN
+	1    9650 5700
+	1    0    0    -1  
+$EndComp
+$Comp
+L Device:R R?
+U 1 1 5FF530EA
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+F 3 "~" H 10150 5500 50  0001 C CNN
+	1    10150 5500
+	0    1    1    0   
+$EndComp
+$Comp
+L Device:R R?
+U 1 1 5FF53E00
+P 10150 5700
+F 0 "R?" V 9943 5700 50  0000 C CNN
+F 1 "R" V 10034 5700 50  0000 C CNN
+F 2 "" V 10080 5700 50  0001 C CNN
+F 3 "~" H 10150 5700 50  0001 C CNN
+	1    10150 5700
+	0    1    1    0   
+$EndComp
+$Comp
+L Device:R R?
+U 1 1 5FF540AA
+P 10150 5900
+F 0 "R?" V 9943 5900 50  0000 C CNN
+F 1 "R" V 10034 5900 50  0000 C CNN
+F 2 "" V 10080 5900 50  0001 C CNN
+F 3 "~" H 10150 5900 50  0001 C CNN
+	1    10150 5900
+	0    1    1    0   
+$EndComp
+$Comp
+L Connector:Conn_01x05_Female J_FTDI
+U 1 1 5FF69E88
+P 1900 6200
+F 0 "J_FTDI" H 1928 6226 50  0000 L CNN
+F 1 "Conn_01x05_Female" H 1928 6135 50  0000 L CNN
+F 2 "" H 1900 6200 50  0001 C CNN
+F 3 "~" H 1900 6200 50  0001 C CNN
+	1    1900 6200
+	1    0    0    -1  
+$EndComp
+$Comp
+L power:GND #PWR?
+U 1 1 5FF6D27C
+P 950 6400
+F 0 "#PWR?" H 950 6150 50  0001 C CNN
+F 1 "GND" H 955 6227 50  0000 C CNN
+F 2 "" H 950 6400 50  0001 C CNN
+F 3 "" H 950 6400 50  0001 C CNN
+	1    950  6400
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	950  6400 1700 6400
+NoConn ~ 1700 6200
+NoConn ~ 1700 6300
+Text GLabel 1700 6100 0    50   Input ~ 0
+ESP_GPIO_3_RXD
+Text GLabel 1700 6000 0    50   Input ~ 0
+ESP_GPIO_1_TXD
+Text GLabel 7750 5100 2    50   Input ~ 0
+ESP_GPIO_4_SDA
+Text GLabel 7750 5200 2    50   Input ~ 0
+ESP_GPIO_5_SCL
+Text GLabel 7750 5300 2    50   Input ~ 0
+ESP_GPIO_3_RXD
+Text GLabel 2300 4200 0    50   Input ~ 0
+ESP_GPIO_10
+Wire Wire Line
+	2300 4200 2450 4200
+Text GLabel 7750 5400 2    50   Input ~ 0
+ESP_GPIO_10
+Text GLabel 6750 1800 0    50   Input ~ 0
+ESP_GPIO_4_SDA
+Text GLabel 9000 1800 0    50   Input ~ 0
+ESP_GPIO_5_SCL
+$Comp
+L power:GND #PWR?
+U 1 1 5FF79CED
+P 6200 4400
+F 0 "#PWR?" H 6200 4150 50  0001 C CNN
+F 1 "GND" H 6205 4227 50  0000 C CNN
+F 2 "" H 6200 4400 50  0001 C CNN
+F 3 "" H 6200 4400 50  0001 C CNN
+	1    6200 4400
+	1    0    0    -1  
+$EndComp
+$Comp
+L Device:C C?
+U 1 1 5FF80F5E
+P 6050 2850
+F 0 "C?" V 5900 2800 50  0000 L CNN
+F 1 "1µF" V 6200 2800 50  0000 L CNN
+F 2 "" H 6088 2700 50  0001 C CNN
+F 3 "~" H 6050 2850 50  0001 C CNN
+	1    6050 2850
+	0    1    1    0   
+$EndComp
+Wire Wire Line
+	6200 2850 6200 3000
+$Comp
+L power:GND #PWR?
+U 1 1 5FF80F65
+P 5650 2850
+F 0 "#PWR?" H 5650 2600 50  0001 C CNN
+F 1 "GND" H 5655 2677 50  0000 C CNN
+F 2 "" H 5650 2850 50  0001 C CNN
+F 3 "" H 5650 2850 50  0001 C CNN
+	1    5650 2850
+	1    0    0    -1  
+$EndComp
+$Comp
+L power:+3.3V #PWR?
+U 1 1 5FF80F6D
+P 6200 2700
+F 0 "#PWR?" H 6200 2550 50  0001 C CNN
+F 1 "+3.3V" H 6215 2873 50  0000 C CNN
+F 2 "" H 6200 2700 50  0001 C CNN
+F 3 "" H 6200 2700 50  0001 C CNN
+	1    6200 2700
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	6200 2700 6200 2850
+Connection ~ 6200 2850
+Wire Wire Line
+	5650 2850 5900 2850
+Connection ~ 3850 3300
+Wire Wire Line
+	5600 3300 5700 3300
+Wire Wire Line
+	3950 2250 3850 2250
+Text GLabel 3950 2250 2    50   Input ~ 0
+ESP_GPIO_2
+Text GLabel 5600 3300 0    50   Input ~ 0
+ESP_GPIO_2
+Wire Wire Line
+	4450 3300 4450 3400
+Wire Wire Line
+	4450 3400 5700 3400
+Wire Wire Line
+	3850 3300 4450 3300
 $EndSCHEMATC