Controlling relays with NodeMCU V1.0 (ESP8266-12E). Contains fritzing layout and Arduino IDE Code.
This PCB was planed for Sainsmart 4-Channel 5V Relay Module. It is alss possible to measure the current if ACS712 is connected to the prepared header.
Assembly List
| Label | Part Type | Properties |
|---|---|---|
| ACS | Generic male header - 3 pins | pin spacing 0.1in (2.54mm); hole size 1.0mm,0.508mm; pins 3; form ♂ (male); row single; package THT |
| Header1 | Generic male header - 15 | pins pin spacing 0.1in (2.54mm); hole size 1.0mm,0.508mm; pins 15; form ♂ (male); row single; package THT |
| Header2 | Generic male header - 15 | pins pin spacing 0.1in (2.54mm); hole size 1.0mm,0.508mm; pins 15; form ♂ (male); row single; package THT |
| NodeMCU V1.0 | NodeMCU V1.0 | chip ESP8266; variant NodeMCUV1 |
| OUT | Generic male header - 6 pins | pin spacing 0.1in (2.54mm); hole size 1.0mm,0.508mm; pins 6; form ♂ (male); row single; package THT |
| PS | Generic male header - 5 pins | pin spacing 0.1in (2.54mm); hole size 1.0mm,0.508mm; pins 5; form ♂ (male); row single; package THT |
| Q1 | NPN-Transistor | type NPN (EBC); package TO92 [THT] |
| Q2 | NPN-Transistor | type NPN (EBC); package TO92 [THT] |
| Q3 | NPN-Transistor | type NPN (EBC); package TO92 [THT] |
| Q4 | NPN-Transistor | type NPN (EBC); package TO92 [THT] |
| R1 | 2.2kΩ Resistor | resistance 2.2kΩ; tolerance ±5%; package 2010 [SMD] |
| R2 | 2.2kΩ Resistor | resistance 2.2kΩ; tolerance ±5%; package 2010 [SMD] |
| R3 | 2.2kΩ Resistor | resistance 2.2kΩ; tolerance ±5%; package 2010 [SMD] |
| R4 | 2.2kΩ Resistor | resistance 2.2kΩ; tolerance ±5%; package 2010 [SMD] |
| R5 | Trimmer Potentiometer | track Linear; type Trimmer Potentiometer; size Trimmer - 12mm; package THT; maximum resistance 10kΩ |
Shopping List
| Amount | Part Type | Properties |
|---|---|---|
| 1 | Generic male header - 3 pins | pin spacing 0.1in (2.54mm); hole size 1.0mm,0.508mm; pins 3; form ♂ (male); row single; package THT |
| 2 | Generic male header - 15 pins | pin spacing 0.1in (2.54mm); hole size 1.0mm,0.508mm; pins 15; form ♂ (male); row single; package THT |
| 1 | NodeMCU V1.0 | chip ESP8266; variant NodeMCUV1 |
| 1 | Generic male header - 6 pins | pin spacing 0.1in (2.54mm); hole size 1.0mm,0.508mm; pins 6; form ♂ (male); row single; package THT |
| 1 | Generic male header - 5 pins | pin spacing 0.1in (2.54mm); hole size 1.0mm,0.508mm; pins 5; form ♂ (male); row single; package THT |
| 4 | NPN-Transistor | type NPN (EBC); package TO92 [THT] |
| 4 | 2.2kΩ Resistor | resistance 2.2kΩ; tolerance ±5%; package 2010 [SMD] |
| 1 | Trimmer Potentiometer | track Linear; type Trimmer Potentiometer; size Trimmer - 12mm; package THT; maximum resistance 10kΩ |