Product Quantity Subtotal Arduino MKR Relay Proto Shield TSX00003 $22.80 Arduino MKR Relay Proto Shield TSX00003 quantity × $22.80 Arduino MKR Relay Proto Shield TSX00003 quantity $22.80 Winsen ZE08-CH2O Electrochemical CH2O Detection Module $8.92 Winsen ZE08-CH2O Electrochemical CH2O Detection Module quantity × $8.92 Winsen ZE08-CH2O Electrochemical CH2O Detection Module quantity $8.92 TPA3110 Mono Channel Digital Amplifier Board 30W Power Amplifier Module $0.75 TPA3110 Mono Channel Digital Amplifier Board 30W Power Amplifier Module quantity × $0.75 TPA3110 Mono Channel Digital Amplifier Board 30W Power Amplifier Module quantity $0.75 TDA2030A 6-12V 18W Audio Amplifier Module $0.39 TDA2030A 6-12V 18W Audio Amplifier Module quantity × $0.39 TDA2030A 6-12V 18W Audio Amplifier Module quantity $0.39 CH341A 24 25 Series EEPROM Flash BIOS USB Programmer with Software & Driver $1.30 CH341A 24 25 Series EEPROM Flash BIOS USB Programmer with Software & Driver quantity × $1.30 CH341A 24 25 Series EEPROM Flash BIOS USB Programmer with Software & Driver quantity $1.30 Unsoldered ATTINY88 Development Board 16Mhz Compatible NANO V3.0 Improvement Board $7.24 Unsoldered ATTINY88 Development Board 16Mhz Compatible NANO V3.0 Improvement Board quantity × $7.24 Unsoldered ATTINY88 Development Board 16Mhz Compatible NANO V3.0 Improvement Board quantity $7.24 PC817 4 CH Optocoupler Isolation Module $1.27 PC817 4 CH Optocoupler Isolation Module quantity × $1.27 PC817 4 CH Optocoupler Isolation Module quantity $1.27 Coupon: Apply coupon Update cart Cart totals Subtotal $42.67 Total $42.67 — OR — Proceed to checkout
