Less than WI-FI MCU ESP8266 integrated and easy to prototyping development kit
Excellent Insulation: Protects against heat
ESP8266-12E is a low-cost
Good material
UNI-T UT8802E 4.5-Digit Bench Digital Multimeter – 22000 Count, True RMS, USB Solderable Wire Less than WI-FI MCU ESP8266UNI T UT8802E The UNI T UT8802E Value Series Bench Digital Multimeter is a 4 digit manual range meter with a 19,999 count display, 0. 1% basic DC voltage accuracy, and the full AC DC voltage, AC DC current, resistance, capacitance, diode, continuity, frequency, and duty cycle function set found across the UT8800E series. It targets the workbench where measurements are routine and the budget matters electronics troubleshooting, prototype validation,