tender for supply of consumable items for idea lab of dr. b. r. ambedkar institute of technology (dbrait), sri vijaya puram , supply of consumable items , ldr sensor module (compatible with arduino board) , ir sensor module (compatible with arduino board) , color led (compatible with arduino board) , ultrasonic sensor module (compatible with arduino board) , gas/smoke sensor module (compatible with arduino board) , vibration sensor module (compatible with arduino board) , buzzer (working voltage: 3.5-5.5v, working current: 25ma, pcb dimension: 1.85 x 1.5 cm (l x w) , humidity & temperature sensor (dht11) (compatible with arduino board) , motion detector sensor pir (compatible with arduino board) , relay sensor module (number of relays: 4, compatible with arduino board) , soil moisture sensor module (compatible with arduino board) , fire sensor module (compatible with arduino board) , piezo speaker (operating voltage: 3.3v-5.0v, operating frequency: 2.048khz, sound output: 85db, dimensions: 20mm x 15mm x 7mm) , seven segment board (display type: common cathode (cc)/common anode (ca), forward voltage: 1.6v to 3.3v, operating current: 10ma) , lcd (display capacity: typically 16 characters by 2 lines (16x2), compatible with arduino board) , potentiometer (supply voltage: 3v-5v, total resistance: 10kω (200 ohms)) , esp32 with usb cable (dual-core xtensa lx6 processor (up to 240 mhz), sram:520 kb of sram rom: 448 kb wi-fi: supports 802.11 b/g/n std in the 2.4 ghz band. bluetooth: bluetooth v4.2 br/edr and bluetooth low energy (ble) usb cable) , raspberry pi 4 (processor: broadcom bcm2711, quad-core cortex-a72 (arm v8) 64-bit soc @ 1.8ghz memory: 1gb/2gb/4gb lpddr4-3200 sdram wireless: 2.4 ghz and 5.0 ghz ieee 802.11ac bluetooth: bluetooth 5.0, ble ethernet: gigabit ethernet usb ports: 2 × usb 3.0 ports, 2 × usb 2.0 ports display output: 2 × micro-hdmi® ports (supports up to 4kp60) camera port: 2-lane mipi csi port storage: micro-sd card slot power: 5v dc via usb-c connector (3a minimum) or gpio header gpio: standard 40-pin gpio header) , dc adapter (2-flat-pin plug 220v input voltage / 5v dc 1a output voltage) , mini water pump (compatible with arduino board) , i2c adaptor (compatible with arduino board) , bluetooth (compatible with arduino board) , arduino nano (ic: microchip atmega328p (8-bit avr core) clock speed: 16 mhz (on nano board) flash memory: 32 kb sram: 2 kb) , arduino uno with usb cable (board type: arduino uno (or compatible) microcontroller: atmega328p usb port: usb-b (standard for official boards) cable type: usb 2.0 type-a to type-b) , arduino jumper wire (configurations: male-to-male (m-m)) , arduino jumper wire (configurations: male-to-female (m-f)) , arduino jumper wire (configurations: female-to-female (f-f)) , gigabit ethernet switch (managed switch,16 gigabit ethernet rj45 ports,4 sfp slots,2 gigabit ethernet combo, ethernet port configuration: 24-port 10/100/1000, 4 x 1g uplinks (sfp),control: easy-to-use on-box webui, cli, snmp, pnp, auto smartports, auto-discovery, zero-touch deployment,advanced security: 802.1x including dva, web-based authentication, mab, private vlan, ipv6 first hop security, ip source guard, sct (copp), storm control,protocol support :static routing,ripv2,bgp,ospfv3,pbr,ripv1,ospfv2,ripng.--25k)