EspressifESP32-S3-DevKitC-1CPU architectureXtensaCPU cores2Clock speed240 MHz€13.90ESP32-S3-DEVKITC-1-N8R241 pcs
STMicroelectronicsSTM32 Nucleo-64 F401RECPU architectureARM Cortex-MCPU cores1Clock speed84 MHz€15.90NUCLEO-F401RE18 pcs
EspressifESP32-DevKitC V4CPU architectureXtensaCPU cores2Clock speed240 MHz€8.90ESP32-DEVKITC-32E76 pcs
Texas InstrumentsOp-amp LM358P (dual, DIP-8)Max. voltage32 VComponent typeICPackageDIP-8€0.28LM358P720 pcs
Texas InstrumentsTimer NE555P (DIP-8)Max. voltage16 VComponent typeICPackageDIP-8€0.35NE555POut of stock
STMicroelectronicsVoltage regulator L7805CV (5 V / 1.5 A, TO-220)Max. voltage35 VMax. current1.5 AComponent typeIC€0.45L7805CV610 pcs