Battery Holder 6x AA LR06

RTC DS3231 clock module with EEPROM 32k.
High precision RTC module.
Can be used in projects of Arduino, PIC, AVR, STM32 and other.
DSC321 AT24C32 with Real Time Clock RTC Battery features:
- Based on DS3231
- EEPROM AT24C32 (32K)
- I2C interface
- LED work indicator
- Includes CR2032 3V battery

LED Display 2-Digit 7-Segment Red Common Cathode features:
- Supply voltage of the segments: 3 VDC
- LED color of the segments: red
- Digit length: 14.2mm
- Digit width: 8.1mm
- Pin numbers: 10
- Diameter of pins: 0.51mm
- Step between pins: 2.54mm
- Consumption current per segment: 30mA
- Maximum admissible current per segment: 70mA
- Direct current by segment (pulse operation): 30mA
- Number of digits: 2
- Segment numbers by digit: 7
- Operating temperature: -25°C - + 85°C
- Storage temperature: -30°C - + 85°C
- Screen with common cathode connection
- Screen size: 25x19x8 mm
- This product is a 2-digit screen composed of 7 red LED segments with excellent brightness and features:.

The Ethernet module for Arduino and compatible boards based on the Wiznet W5500 chip, faster than the previous W5100. It provides an easy way to connect your module to the local network and internet based WIZNET with a TCP/IP interface. Compatible with libraries with the same Ethernet API. A web server can be built with this UNO board shield. It can be used as a server or as a client.

NTC thermistor - with a negative temperature coefficient, i.e. an increase in temperature causes a decrease in resistance.   Thermistor NTC 100.0K 5% MF52A epoxy resin coating resistor features:

Size: 3mm
Rated resistance: R25 = 100.0k
B value 25/85 = 3950°K
Rated power: ‰¤ 50mW
Tolerance:± 5%
Operating temperature: from -40°C to +125°C  Tinned steel wire 25mm

9g digital servo new version of SG90.
POM with Carbon fiber gears set and control arms are more durable use than SG90 nylon gear and more torque.
It is a good choice for park size 3D models , high speed jets and R/C airplane 250 450 RC helicopter Servo 9g SG92r 2.5kg features:
Weight: 9g
Operating voltage: 4.8v Stall torque: 2.5kg /cm(4.8v)
Gear type: POM with carbon fiber
Operating speed: 0.1sec /60degree (4.8v)
Temperature range: 0„ƒ_ 55„ƒ
Dead band width:1us
servo wire length: 25 cm
Servo Plug: JR (Fits JR and Futaba)
servo arms &screws included and fit with Futaba servo arm

Linear 5K Ohm Potentiometer features:
- Horizontal variable resistance PCB
- 5K Linear 

10x Electrolytic Capacitor 100 uF 25V 105ºC Arduino features:
-Type: Electrolytic Capacitor
-Assembly: intern
-Value: 100uF
-Maximum tension: 25V
-Maximum temperature: 105º C
-Dimensions: 6x11mm
-Quantity: 10 units

- Bluetooth 4.0 AT-09 BLE Master / Slave module with 6-pin connection base
- This module is very similar to HM-10 module
- Bluetooth protocol: Bluetooth V4.0 BLE specification
- Ultra-low power consumption, in 90uA standby mode
Wireless Module AT-09 Bluetooth 4.0 CC2541 IOS BLE features:

- Chipset based on CC2541
- Bluetooth Class 2
- Industrial level Bluetooth module SPP
- Flash 256Kb
- Integrated chip antenna
- Power supply: + 3.3 VDC 50 mA
- Working temperature: -5 C to + 60 C
- Operating frequency: 2.4 GHz ISM Band
- Modulation method: GFSK (Gaussian Frequency Shift keying)