Collection: Development Boards & Microcontrollers
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Solid State Relay Module 5V — 1-Channel SSR, 100–240VAC / 2A, Zero-Cross, Active-Low, Arduino
Vendor:KeszooxRegular price $9.87 USDRegular priceUnit price / per$11.85 USDSale price $9.87 USDSale -
8-Channel Relay Module 5V — 10A SPDT, Active-Low, Opto-Isolated, Arduino Compatible
Vendor:KeszooxRegular price $22.37 USDRegular priceUnit price / per$26.85 USDSale price $22.37 USDSale -
1-Channel Relay Module 5V — 10A SPDT, Active-Low, Opto-Isolated, Arduino Compatible
Vendor:KeszooxRegular price $6.72 USDSale price $6.72 USDUnit price / per -
TPIC6B595 Power Logic 8-Bit Shift Register IC DIP-20 — 50V / 150mA, Low-Side, Arduino
Vendor:KeszooxRegular price $4.87 USDRegular priceUnit price / per$5.85 USDSale price $4.87 USDSale -
TLC555I CMOS Timer IC DIP-8 — Low-Power, 2V–15V, Rail-to-Rail Output, Arduino
Vendor:KeszooxRegular price $3.72 USDRegular priceUnit price / per$4.47 USDSale price $3.72 USDSale -

ULN2803A 8-Channel Darlington Transistor Array IC DIP-18 — 500mA / 50V, Arduino Relay Driver
Vendor:KeszooxRegular price $1.97 USDRegular priceUnit price / per$2.37 USDSale price $1.97 USDSale -
NE555 Timer IC DIP-8 — Monostable / Astable, 4.5–16V, 200mA Output, Arduino
Vendor:KeszooxRegular price $5.47 USDSale price $5.47 USDUnit price / per -

MIC5891 High-Voltage 8-Bit Shift Register IC DIP-16 — 50V / 500mA, Darlington Output, Arduino
Vendor:KeszooxRegular price $6.97 USDRegular priceUnit price / per$8.37 USDSale price $6.97 USDSale -
24C02N I2C EEPROM — 2K-Bit (256×8), DIP-8, 5V, Arduino Compatible
Vendor:KeszooxRegular price $0.97 USDRegular priceUnit price / per$1.17 USDSale price $0.97 USDSale -
BTS7960 High-Power Motor Driver Module — 43A H-Bridge for DC Motors, Robots & Arduino
Vendor:KeszooxRegular price $19.64 USDSale price $19.64 USDUnit price / per -
MAX31865 RTD Temperature Sensor Module — PT100 / PT1000 for Arduino & Raspberry Pi
Vendor:KeszooxRegular price From $21.32 USDSale price From $21.32 USDUnit price / per -
DFPlayer Mini MP3 Player Module | Open Source | 24-bit DAC | TF Card USB | Arduino Serial Control
Vendor:KeszooxRegular price $6.72 USDSale price $6.72 USDUnit price / per -
12-Key 4×3 Matrix Membrane Switch Keypad 5PCS | 0–9 * # Flexible Keyboard for Arduino Microcontroller
Vendor:KeszooxRegular price $12.52 USDSale price $12.52 USDUnit price / per -
VL53L0X Time-of-Flight Laser Ranging Sensor Module | 940nm I2C | 2m Range 1mm Resolution | Arduino Robotics
Vendor:KeszooxRegular price $7.24 USDSale price $7.24 USDUnit price / per -
70cm Female-Female DuPont Jumper Wire 2/3/4 Pin 2PCS | 3D Printer Arduino Raspberry Pi Cable
Vendor:KeszooxRegular price From $9.12 USDSale price From $9.12 USDUnit price / per -
2.54mm DuPont Connector Kit — Housing + Terminals for Arduino Breadboard PCB Wiring
Vendor:KeszooxRegular price From $14.56 USDSale price From $14.56 USDUnit price / per -

DS18B20 Waterproof Digital Temperature Sensor 1m Cable 1-Wire -55°C to +85°C | Arduino Compatible
Vendor:KeszooxRegular price $8.97 USDRegular priceUnit price / per$10.77 USDSale price $8.97 USDSale -

DS18B20 Digital Temperature Sensor Module 1-Wire 3.3V/5V with LED Indicator | Arduino Compatible
Vendor:KeszooxRegular price $4.87 USDRegular priceUnit price / per$5.85 USDSale price $4.87 USDSale -
2.54mm 1×40 Pin Male & Female Header Connector Kit 5PCS | Breakaway Pin Strip for Arduino PCB DIY
Vendor:KeszooxRegular price From $7.40 USDSale price From $7.40 USDUnit price / per -
10-Segment Multicolor LED Bar Graph Display Module — Red/Yellow/Green/Blue, Arduino
Vendor:KeszooxRegular price From $4.16 USDSale price From $4.16 USDUnit price / per -
GY-271 QMC5883L 3-Axis Digital Compass Module I2C Arduino STM32
Vendor:KeszooxRegular price $6.44 USDSale price $6.44 USDUnit price / per -
TXS0108E 8-Channel Bi-Directional Logic Level Converter — 1.2V–3.6V / 1.65V–5.5V, Arduino
Vendor:KeszooxRegular price $4.84 USDSale price $4.84 USDUnit price / per -
4-Channel Bi-Directional Logic Level Shifter — 3.3V↔5V, BSS138, Arduino & ESP32 (5-Pack)
Vendor:KeszooxRegular price $8.64 USDSale price $8.64 USDUnit price / per -
DS18B20 Waterproof Temperature Sensor Probe — Stainless Steel, 1-Wire, 1M Cable, Arduino
Vendor:KeszooxRegular price From $5.68 USDSale price From $5.68 USDUnit price / per























