Mini precision polishing drill 12V with accessories + Power supply unit

5x Push Switch Button B3F Omron Red Key 12mm features:

- 5x Push Buttons B3F Omron Key
- Maximum current: 50 mA
- Tension DC: 24V
- Operating force: 1.27N
- Switch terminals: weldable
- Contact: SPST-NO
- Contact resistance: 100M Ohm
- Type of action: Superficial
- Measures: 12x12x7.3mm

The module has two outputs: analog A0 and digital D0
Digital output D0 - signal 0 appears or 1 depending on the threshold setting
The threshold is set with the potentiometer
The sensor can be used for example:
Automatic watering for potted plants
With this module you will be able to measure the humidity of the soil, so that you will be able to control the humidity level of the soil of your plants
Characteristic:
Operation: 3.3V -5V
- Sensitivity adjustable by potentiometer
- Dual output mode: analog and digital
- Red LED - power indicator
- Green LED - indicator digital switching output
- PCB measurements: 3 x 1.5 cm
- Probe measurements: 6 x 3 cm

Quartz Crystal Oscillator 16 MHz features:
- Low Profile Crystal Oscillator
- Type: Quartz Crystal 16 MHz
- Frequency: 16 MHz
- Format: Low profile
- Assembly: Intern

The Raspberry Pi Pico GPIO Expansion Board is an advanced product with a 3.3V output voltage that allows you to easily work on the GPIO pins of your Pico, via two ways (male and female header). Ideal for using both male and female jumpers/bridge cables.

  - It has an Atmega328P chip running at 16Mhz with factory-loaded bootloader
- The Uno R3 module has all the Arduino Uno R3 connectors and is compatible with all Arduino shields   Characteristic:   - ATmega328P 16MHz chip with external quartz crystal
- Microprocessor: ATMega328P
- Operating voltage: 5V
- Input voltage (recommended): 7-12V
- Input voltage (limits): 6-20V
- Clock speed: 16 MHz
- Digital I / O pins: 14 (6 with PWM)
- Analog input pins: 6
- DC current for Pin I / O: 20 mA
- Flash32 KB of which 0.5 KB are used by the bootloader - AtMega328P
- SRAM 2 KB - AtMega328P
- EEPROM 1 KB - AtMega328P
- Communication: micro USB female 

10x Electrolytic Capacitor 470uF 16V 105ºC PIC Arduino features:
-Type: Electrolytic Capacitor
-Assembly: intern
-Value: 470uF
-Maximum tension: 16V
-Maximum temperature 105º C
-Dimensions: 8x12mm
-Quantity: 10 units

It is ultra compact and very low consumption. It works at 2.4GHz frequencies (free frequency) and is ideal for telemetry projects, robots, peripheral control, video game control applications, remote temperature sensors, pressure, alarms, etc ... NRF24L01 + Wireless Transceiver Module 2.4GHz features:
- Based on chip NRF24L01 + Ultra Low Power
- Free band: 2.4GHz ISM
- Speed: 250kbps, 1Mbps, 2Mbps
- Working current - reception: 13 mA
- Transmission: 11 mA (900nA -deep sleep mode)
- Receiving sensitivity: -94dB 250kbps
- Coverage in closed spaces: 15m / 30m
- SPI interface
- Input voltage: 1.9V- 3.6V
- Input / output port voltage: 0V-3.3V / 5V
- Coverage in open areas: 100m approx.
- Clock frequency: 16MHz

Welding Wire 100g Tin 60/40 Sn/Pb Lead 2.5% Flux 1.0mm features:
- 100gr. 1.0mm diameter welding wire. 60% tin and 40% lead
- Fusing temperature 183 „ƒ / 190 „ƒ
- Alloy Sn60 Pb40
- Flux 2.5%
- Quantity: 1 unit