Electronic Modules

HC-05 Master & Slave Bluetooth 2.0 Module

DC-DC Buck Step-down Power Supply Module 5V-12V 24V to 3.3V 5V 9V 12V High-Current

Thermoelectric Cooler Peltier 40*40MM 12V Peltier Elemente Module TEC1-12705-12709-12712

ESP8266EX ESP-01 Serial Wireless WiFi Transceiver Receiver Module 1MB SPI Flash DC3.0-3.6V Internet of Things WiFi Module Board Compatible with Arduino
Model: Esp-01.Compatible with Arduino. Support 3 modes: AP, STA, AP + STA

2.12.0.0

1 Channel 5V Relay Module Board Shield for Arduino with Optocoupler Support High and Low Level Trigger
Maximum load: AC 250V/10A, DC 30V/10A
SMD optocoupler isolation, strong driving ability, stable performance; trigger current 5mA
The module voltage 5V
The module can be set high or low triggered by jumper

SIM800L V2.0 5V Wireless GSM GPRS Module Quad-Band W/Antenna Cable Cap M105

4x Active Buzzer 5v-12v Magnetic 12*9.5mm

Micro USB 5V 1A 18650 TP4056 Lithium Battery Charger Module Charging Board With Protection Dual Functions 1A Li-ion

ESP32-CAM WiFi + Bluetooth 5V with OV2640 Camera Module ESP32

MT3608 DC-DC Boost Power Converter 2A Adjustable Step Up Voltage
The Maximum Output Current: 2A
The Input Voltage: 2V ~ 24V
The Maximum Output Voltage: 28V
Efficiency: Max 93%
Product Size: 36 x 17 x 14 mm/1.44 x 0.68 x 0.56 in(L*W*H)

LM317 DC-DC Converter Buck Step Down Circuit Board Module Linear Regulator LM317 Adjustable Voltage Regulator Power Supply

Voltmeter Ammeter DC 100V 10A Blue + Red LED Amp Dual Digital