Want to control when one of the devices you have connected to a USB port is turned on or not? With the new Sonoff Micro USB Smart Switch Control, you'll be able to control it on your mobile phone, program it to activate when you need it and whatever you have in mind. With a small size and high performance, this Switch is your best ally every day.

3dBi GPS antenna SMA connector

Multimeter with 50-500V AC 0-100A to measure the current voltage.

Multimeter with 50-500V AC 0-100A to measure the current voltage.

Multimeter with 50-500V AC 0-100A to measure the current voltage.

Multimeter with 50-500V AC 0-100A to measure the current voltage.

Need range? The 2.4GHz Large Duck Antenna 5dBi with Reverse Polarized - SMA RF connector is perfect for you.

Compatible with Smart Home Xiaomi - Programmable via My Home App - Button Warning

Xiaomi's range of home products called Xiaomi Smart Home continues to grow and presents a new addition to its collection. It is whether this Switch / Notification Button with which we can give a warning to the smartphone or another product in the Mi Smart Home range in a tactile way. This Xiaomi Switch can be used well to warn a person in the home that they need your presence in the place where you gave the warning, or as an emergency button in case of people with reduced mobility.

NodeMcu consists of open source firmware and a development kit that helps to prototype your IoT (Intemet of Things) project through some lines of Lua language. The NodeMcu has integrated ESP-12 serial WiFi with GPIO, PWM, ADC, I2C and 1-WIRE capabilities, integrates USB-TTL serial with super reliable industrial strength CH340 for superior stability on all supported platforms.

This ESP8285 ESP M2 Module provides easy-to-use WiFi for any UART port and is compatible with the HC-06 Bluetooth modules. If your project uses Bluetooth, it is very easy to convert it to WiFi. Using the integrated web interface, WIFI-UART communication can be configured for TCP or UDP sockets on any port.

SparkFun RFM69 Breakout 915MHz