Resistor 150R Ohm 5% 0,25W 1/4W

LED Diode Assortment Kit 40x Red Green Yellow Blue features:
  
- Lens color: Red, green, yellow, blue -difused
- Size: 5 mm
- Operating current: 20mA
- Voltage (red) 1.8V-2.3V
- Voltage (green) 3.2V-3.4V
- Voltage (yellow) 1.8V-2.3V
- Voltage (blue) 3.2V-3.4V
- Anode (A): Positive (long leg): 28mm
- Cathode (K): Negative (shorter leg): 25 mm
- Operating temperature: -25ºC/80ºC
- Welding temperature: + 260ºC
- Quantity: 40 units
      - 10x red
      - 10x green
      - 10x yellow
      - 10x blue

This switch can be used for development projects and for the industry. All metal parts are not oxidized, the insulation material is of high quality.
Its pins protected by an anti oxidant makes welding much easier. Switch On/On 6-pin 6A SPDT features:
- Type: Latch SPDT
- Material: Plastic, metal
- Maximum operating current and voltage: 3A / 250V, 6A / 125V
- Number of pins: 6
- Pin size: 4.5x2 mm
- Type of current: AC
- Pins to be welded
- Switch action: 2 positions On/On
- Size: 13.2x12.7x33.3mm

Sound detection module for Arduino projects, smart cars. Analogical Acoustic Sensor 4-Pin Microphone Sound Detector Module features:
- Adjustable High Sensitivity Acoustic Sensor
- LM393 comparator chip
- Integrated indicator LED
- AO analog output, output voltage signal in time real microphone
- DO digital output, sensitivity adjustable through potentiometer
- Frequency Range between 30 and 15000 Hz
- Power 4 ~ 6V
- Measurements 36x16x15mm

NodeMcu module based on ESP8266 controller and programming in Lua language
NodeMcu is equipped with 10 GPIO, PWM, I2C, 1-wire and ADC
ESP8266-12E is an improved version of ESP8266-12
It works as a standard WiFi 802.11 b / g / n 2.4 GHz
USB Communication - CP2102 Chip
Characteristic:
ESP 12E ESP8266 ESP12E NodeMcu Lua Wireless Development Board CP2102 WiFi features:

- Supply voltage: 3.3V (LOGICAL LEVELS: 3.3V)
- Supported protocols: 802.11 b / g / n
- Network support: 2.4 GHz
- Band: 2400 (MHz) - Wi-Fi Direct (P2p), Soft Access Point
- Integrated TCP / IP stack
- PLL, regulators and integrated power management units
- Output power: 0 , 15 (W); + 19.5dBm in 802.11b mode

ST-LINK V2 Debugger / chip programmer for STM8 and STM32, supports SWIM and JTAG Serial Wire interfaces.

W1209 12V DC Thermostat Digital Temperature Controller Switch features:
- Model: W1209
- Supply voltage: DC 12V
- Temperature control mode: ON / OFF
- Temperature range: -50 -110 ° C
- Resolution: 0.1 ° C range -9.9 ~ 99.9 ° C, above is 1 ° C
- Measurement accuracy: 0.1 ° C
- Refresh rate: 0.5 s
- Temperature protection 0-110 ° C
- Static current: ‰ ¤ 35mA, working current ‰ ¤ 65mA
- Power of output: 10A relay
- Sensor probe: NTC waterproof sensor (10K 0.5%)
- Environmental requirements: -10 ~ 60 ° C Humidity 20% -85%
- Dimensions: 48 x 40 mm

Resistor 2M Ohm 5% 0,25W 1/4W features:
-2M Ohm
-Type: Carbon film
-Tolerance: ±5%
-Power: 0.25W
-Dimensions: 2x7mm