Heltec Wifi LoRa 32 V4 ESP32 Bluetooth Development Board+IPX Antenna+GPS Module US $13,69 to US $38,35
DC-DC 12~80V to 2.5~50V 20A Adjustable Buck Converter Power Stepdown Module 600W US $13,67 to US $24,65
ESP32-S3 N16R8 N8R2 Dual Type-C WIFI Bluetooth Development Board W/ Antenna Base US $8,21 to US $9,03
12V Spot Welder DIY Kit 99 Gears 18650 Mini Spots Welding Machine Control Board US $21,89 to US $26,00
AS21HPA 300W*2+600W TPA3255 2.1Channel Audio Bluetooth Digital Amplifier Board US $65,75 to US $75,34
3S 4S 5S 6-21S Li-ion LiFePO4 Battery Active Equalizer Balancer Protection Board US $4,06 to US $20,54
1-10PCS ESP32 WIFI Bluetooth Development Board 2.8" LCD TFT Module 240*320 Touch US $15,06 to US $154,80
Waterproof Mini LED Digital Voltmeter Voltage Tester Gauge 4.5-30V 0.56" 3 Digit US $1,37 to US $2,18
1/5/10 TEC1-12706 12V 60W TEC Peltierelement Modul Peltier Element Kühlen Heizen US $1,37 to US $35,61