Raspberry Pi 4 Board – 8Gb Ram
- Broadcom BCM2711, Quad core Cortex-A72 (ARM v8) 64-bit SoC @ 1.5GHz
- 8GB LPDDR4-2400 SDRAM
- 2.4 GHz and 5.0 GHz IEEE 802.11ac wireless, Bluetooth 5.0, BLE
- Gigabit Ethernet
- 2 USB 3.0 ports; 2 USB 2.0 ports.
- Raspberry Pi standard 40 pin GPIO header (fully backwards compatible with previous boards)
- 2 × micro-HDMI ports (up to 4kp60 supported)
- 2-lane MIPI DSI display port
- 2-lane MIPI CSI camera port
- 4-pole stereo audio and composite video port
- H.265 (4kp60 decode), H264 (1080p60 decode, 1080p30 encode)
- OpenGL ES 3.0 graphics
- Micro-SD card slot for loading operating system and data storage
- 5V DC via USB-C connector (minimum 3A*)
- 5V DC via GPIO header (minimum 3A*)
- Power over Ethernet (PoE) enabled (requires separate PoE HAT)
- Operating temperature: 0 – 50 degrees C ambient
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you can buy kit from this link
74LS76 IC JK Flip Flop 7476
30cm male-male wires
Touch Switch Module
Yellow LED 5mm
LM393 Speed Sensor Module For Arduino U shape
Solder Wire 10gm 0.8mm
Potentiometer POT 2K Variable Resistor
Heat Sinks for Raspberry Pi
SD card 32GB for Raspberry Class 10
Potentiometer POT 20K Variable Resistor
Resistor 22K Ohm 1/4W
TB6600 Stepper Motor Driver 4.5A
AS608 optical fingerprint sensor JM-101B fingerprint matching fingerprint sensor module 











