Raspberry Pi Pico

40x Male to male cables 10cm features:
- Length: 10cm
- Quantity: 40 cables
- Dupont male connectors on both ends
- Compatible with 2.54mm female connectors
- High quality and good working condition
- Easy to install and use

Descent module.
Use a multimeter to check the output voltage and adjust the potentiometer.
Control of tension.
LM2596 DC Voltmeter Converter 3A Step Down Adjustable Power features:
- Input voltage: 4.5-38V
- Output voltage: 1.25-36.5V
- Current output: 2A (max 3A with heat sink)
- Operating temperature: -40 to + 85 ºC
- Operating frequency: 150KHz
- Efficiency conversion: up to 92%
- Load Regulation: +/- 0.5%
- Voltage Regulation: +/- 2.5%
- Protection over temperature: the output switches off automatically
- Size: 62mm x 38mm x 15mm
Principal functions:
- Step-down converter with overcurrent protection
- Voltmeter up to 40V, remember to set the input voltage to 4.5V

- HC-05 Bluetooth transceiver module with base
- The bluetooth module HC-05 is one of the best options for projects where you need wireless communications.
- The transceiver module (transmission / reception) allows bluetooth wireless connections like master or slave, works in a transparent way as if we made a RS-232 TTL serial connection with cable.
Bluetooth Transceiver Module HC-05 Wireless features:
- Chipset CSR BC417
- 3.6 to 6 Vdc power supply
- Bluetooth version V2.0 + EDR
- Frequency: 2.4GHz ISM band
- Modulation: GFSK
- Reach approx. 10m
- Security: Authentication and encryption.
- Speed-> Asynchronous: 2.1Mbps (Max) / 160 kbps; Synchronous: 1Mbps / 1Mbps

High-quality membrane keyboard, with 16-key matrix, ultra-thin, less than 1mm thick, with adhesive system on the reverse side.
Ideal for your Arduino projects, but can also be used with other microcontrollers.
Matrix Membrane Keyboard 4x4 Modulo features:

- Rating circuit, Max: DC 35V 100 mA
- Cable length: 85 mm
- Dupont 8 pin connector
- Specific insulation: 100 M Ohm, 100V
- Useful life: + 1 million uses
- Contact parting:

Characteristic: -Conductor: solid wire, tinned copper
-Insulation: PVC
-Low voltage electrical cables - Nominal voltage 300V / 80C -Standard: UL 1007
-Number of conductors: 22AWG, 1x0.35mm2
-Outer diameter: 1.6mm

Ideal for projects with ARDUINO you can use it with PIC, AVR, STM32.
Provides seconds, minutes, time and date, calendar up to the year 2100.
DS1302 Real Time Clock RTC Module AVR ARM PIC features:
- Chip: DS1302
- Power supply: 2V-5V
- Operating current: <2mA
- Dimensions: 44 x23 x 8mm
- Battery not included in this sale
- Connect the RTC to your Arduino
VCC -> Arduino + 3.3V
GND -> Arduino Gnd
CLK -> (SCLK_PIN)
DAT -> (IO_PIN)
RST -> (CE_PIN)

The SONOFF ZigBee Bridge is the heart of the smart home that allows you to remotely manage a variety of ZigBee devices and sensors to monitor and control the home. Interact with all your Sonoff devices, both WiFi and ZigBee, thanks to this bridge.

High quality flexible aluminum coupler, so you can join Nema 17, 6mm stepper motors to a 10mm threaded rod. They incorporate 4 screws studs so you can perfectly fix the couplings to the rod. Flexible Coupler 6mm/10mm shaft features:
- Material: Aluminum alloy
- Coupler height (L ): 25 mm
- Outside diameter: 19mm
- Shaft diameter: 6mm / 10mm - Quantity 2units