5PCS KY-019 5V One Channel Relay Module Board Shield for pic avr dsp arm Relay Spare Part Dksfjkl

5PCS KY-019 5V One Channel Relay Module Board Shield for pic avr dsp arm Relay Spare Part Dksfjkl

Features: 1. Name: 2.5V relay module module kit 1 way relay module 3. New 5V relay module can be used; as a microcontroller development board module, can be used as home appliance control 5V-12V TTL control signal. AC signal, can control AC…View more

Product Description

5PCS KY-019 5V One Channel Relay Module Board Shield for pic avr dsp arm Relay Spare Part Dksfjkl
Features: 1. Name: 2.5V relay module module kit 1 way relay module 3. New 5V relay module can be used; as a microcontroller development board module, can be used as home appliance control 5V-12V TTL control signal. AC signal, can control AC 220V load. There is a normally open and normally closed contact. Power light Control lamp, turn off the bright and bright transistor drive to increase the relay coil, control the high impedance of the foot. The control pin has a pull-up circuit to prevent false action of the hanging relay. Package contents: 5 modules.