DC5-80V Power Supply ESP8266 WiFi Single Channel Relay Module ESP-12F Development Board

$12.99
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  •  Returns & Refund

    Last updated: April 2, 2025

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Specifications:
Model: LC-Relay-ESP12-1R-D8
Color: Blue
Material: PCB
Work Voltage:DC8-80V/USB5V
WIFI IC: ESP8266
Communication Protocol:UART
Load Voltatge:AC 250V or DC 30V(Max)
Load Current:10A(Max)
Work Temperature:-25℃~85℃
Work Humidity:5%~95%RH

Features:

1. Onboard mature and stable ESP-12F WIFI module, large capacity 4M BYTE FLASH;
2. All I/O ports and UART program download ports of the WIFI module are led out to facilitate secondary development;
3. Support DC8-80V/USB5V/pin header power supply;
4. Onboard WIFI module RST reset button;
5. ESP-12F supports the use of development tools such as ECLIPSE/ARDUINOIDE, and provides reference programs under the ARDUINOs’ development environment;
6. Onboard one 5V relay, output switch signal, suitable for controlling loads with working voltage within AC 250V/DC30V;
7. Onboard power indicator, 1 programmable LED and relay indicator.

Package includes:

1 x DC 5-80V ESP8266 WiFi Single Channel Relay Module


GPIO output port introduction:

No. Name Function Description No. Name Function Description
1 GND Power ground 13 IO10 GPIO10
2 Relay Relay drive port, IO5 is used as the default drive. If you want to use other I/O to drive the relay, you can remove R14 and then connect the I/O driving the relay to this Relay pin. 14 MISO Slave output Master input
3 IO2 GPIO2; UART1_TXD 15 IO13 GPIO13; HSPI_M0SI; UART0_CTS
4 IO4 GPIO4 16 IO14 GPIO14; HSPI_CLK
5 RX UART0_RXD; GPIO3 17 ADC A/D conversion result. Input voltage range 0~1V, value range: 0~1024
6 3V3 3.3V power supply 18 3V3 3.3V power supply
7 SCLK Clock 19 M0SI Host output Slave input
8 IO15 GPIO15; MTDO; HSPICS; UARTO_RTS 20 IO9 GPIO9
9 IO0 GPIO0 21 CS0 Chip select
10 IO5 GPIO5 22 IO12 GPIO12; HSPI_MISO
11 TX UART0_TXD; GPIO1 23 IO16 GPIO16
12 5V 5V power supply 24 GND Power ground


Port Locations:

① VCC, GND: DC8-80V power supply
② MICRO USB: DC5V USB power supply
Note: You can choose any of the three power supply methods: DC8-80V/DC5V USB/pin header 5V
③ 6X6MM button: ESP8266 reset button
④ UART program download port: ESP8266’s GND, RX, TX, 5V are connected to the GND, TX, RX, 5V of the external TTL serial port module respectively. When downloading, I0O needs to be connected to GND. After the download is completed, disconnect the connection between IO0 and GND.
⑤ GPIO pin header lead port
⑥ Relay output terminal
NC: Normally closed terminal, short-circuited with COM before the relay is energized, and left floating after energization;
COM: Common terminal;
NO: Normally open terminal, left floating before the relay is energized, and left short-circuited with COM after energization.
⑦ Power indicator LED
⑧ Programmable LED: controlled by GPIO16;
⑨ Relay indicator LED: lights up when energized.

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Product ID: 27509198 Category: Model: Board Only
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